1
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Fan S, Lopez Llorens L, Perona Martinez FP, Schirhagl R. Quantum Sensing of Free Radical Generation in Mitochondria of Human Keratinocytes during UVB Exposure. ACS Sens 2024; 9:2440-2446. [PMID: 38743437 PMCID: PMC11129351 DOI: 10.1021/acssensors.4c00118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/23/2024] [Accepted: 04/25/2024] [Indexed: 05/16/2024]
Abstract
Ultraviolet (UV) radiation is known to cause skin issues, such as dryness, aging, and even cancer. Among UV rays, UVB stands out for its ability to trigger problems within cells, including mitochondrial dysfunction, oxidative stress, and DNA damage. Free radicals are implicated in these cellular responses, but they are challenging to measure due to their short lifetime and limited diffusion range. In our study, we used a quantum sensing technique (T1 relaxometry) involving fluorescent nanodiamonds (FNDs) that change their optical properties in response to magnetic noise. This allowed us to monitor the free radical presence in real time. To measure radicals near mitochondria, we coated FNDs with antibodies, targeting mitochondrial protein voltage-dependent anion channel 2 (anti-VDAC2). Our findings revealed a dynamic rise in radical levels on the mitochondrial membrane as cells were exposed to UVB (3 J/cm2), with a significant increase observed after 17 min.
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Affiliation(s)
- Siyu Fan
- Department of Biomaterials & Biomedical Technology, University Medical Center Groningen, University Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Lluna Lopez Llorens
- Department of Biomaterials & Biomedical Technology, University Medical Center Groningen, University Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Felipe P Perona Martinez
- Department of Biomaterials & Biomedical Technology, University Medical Center Groningen, University Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Romana Schirhagl
- Department of Biomaterials & Biomedical Technology, University Medical Center Groningen, University Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
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2
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Wang C, Wan S, Wang Y, Shi F, Gong M, Zeng H. Imaging the Magnetic Anisotropy in Ultrathin Fe 4GeTe 2 with a Nitrogen-Vacancy Magnetometer. NANO LETTERS 2024; 24:5754-5760. [PMID: 38708987 DOI: 10.1021/acs.nanolett.4c00795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
Two-dimensional (2D) FenGeTe2, with n = 3, 4, and 5, has been realized in experiments, showing strong magnetic anisotropy with enhanced critical temperature (Tc). The understanding of its magnetic anisotropy is crucial for the exploration of more stable 2D magnets and its spintronic applications. Here, we report a quantitative reconstruction of the magnetization magnitude and its direction in ultrathin Fe4GeTe2 using nitrogen vacancy centers. Through imaging stray magnetic fields, we identified the spin-flop transition at approximately 80 K, resulting in a change of the easy axis from the out-of-plane direction to the in-plane direction. Moreover, by analyzing the thermally activated escape behavior of the magnetization near Tc in terms of the Ginzburg-Landau model, we observed the in-plane magnetic anisotropy effect and the formation capability of magnetic domains at ∼0.4 μm2 μT-1. Our findings contribute to the quantitative understanding of the magnetic anisotropy effect in a vast range of 2D van der Waals magnets.
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Affiliation(s)
- Chen Wang
- International Center for Quantum Design of Functional Materials (ICQD), Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- CAS Key Laboratory of Strongly Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China
| | - Siyuan Wan
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, People's Republic of China
| | - Ya Wang
- International Center for Quantum Design of Functional Materials (ICQD), Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- CAS Key Laboratory of Microscale Magnetic Resonance, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China
| | - Fazhan Shi
- International Center for Quantum Design of Functional Materials (ICQD), Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- CAS Key Laboratory of Microscale Magnetic Resonance, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China
| | - Ming Gong
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China
| | - Hualing Zeng
- International Center for Quantum Design of Functional Materials (ICQD), Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- CAS Key Laboratory of Strongly Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
- Hefei National Laboratory, University of Science and Technology of China, Hefei 230088, People's Republic of China
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3
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Zhong C, Wang Y, Mai D, Ye C, Li X, Wang H, Dai R, Wang Z, Sun X, Zhang Z. High Spatial Resolution 2D Imaging of Current Density and Pressure for Graphene Devices under High Pressure Using Nitrogen-Vacancy Centers in Diamond. NANO LETTERS 2024. [PMID: 38619219 DOI: 10.1021/acs.nanolett.4c00780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Current density imaging is helpful for discovering interesting electronic phenomena and understanding carrier dynamics, and by combining pressure distributions, several pressure-induced novel physics may be comprehended. In this work, noninvasive, high-resolution two-dimensional images of the current density and pressure gradient for graphene ribbon and hBN-graphene-hBN devices are explored using nitrogen-vacancy (NV) centers in diamond under high pressure. The two-dimensional vector current density is reconstructed by the vector magnetic field mapped by the near-surface NV center layer in the diamond. The current density images accurately and clearly reproduce the complicated structure and current flow of graphene under high pressure. Additionally, the spatial distribution of the pressure is simultaneously mapped, rationalizing the nonuniformity of the current density under high pressure. The current method opens a significant new avenue to investigate electronic transport and conductance variations in two-dimensional materials and electrical devices under high pressure as well as for nondestructive evaluation of semiconductor circuits.
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Affiliation(s)
- Cheng Zhong
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yupeng Wang
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Di Mai
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Chunhui Ye
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xiangdong Li
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - He Wang
- Deep Space Exploration Laboratory/Department of Physics, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Rucheng Dai
- Deep Space Exploration Laboratory/The Centre for Physical Experiments, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zhongping Wang
- The Centre for Physical Experiments, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xiaoyu Sun
- The Centre for Physical Experiments, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zengming Zhang
- Deep Space Exploration Laboratory/The Centre for Physical Experiments, University of Science and Technology of China, Hefei, Anhui 230026, China
- CAS Key Laboratory of Strongly Coupled Quantum Matter Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
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4
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Bhattacharyya P, Chen W, Huang X, Chatterjee S, Huang B, Kobrin B, Lyu Y, Smart TJ, Block M, Wang E, Wang Z, Wu W, Hsieh S, Ma H, Mandyam S, Chen B, Davis E, Geballe ZM, Zu C, Struzhkin V, Jeanloz R, Moore JE, Cui T, Galli G, Halperin BI, Laumann CR, Yao NY. Imaging the Meissner effect in hydride superconductors using quantum sensors. Nature 2024; 627:73-79. [PMID: 38418887 DOI: 10.1038/s41586-024-07026-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 01/03/2024] [Indexed: 03/02/2024]
Abstract
By directly altering microscopic interactions, pressure provides a powerful tuning knob for the exploration of condensed phases and geophysical phenomena1. The megabar regime represents an interesting frontier, in which recent discoveries include high-temperature superconductors, as well as structural and valence phase transitions2-6. However, at such high pressures, many conventional measurement techniques fail. Here we demonstrate the ability to perform local magnetometry inside a diamond anvil cell with sub-micron spatial resolution at megabar pressures. Our approach uses a shallow layer of nitrogen-vacancy colour centres implanted directly within the anvil7-9; crucially, we choose a crystal cut compatible with the intrinsic symmetries of the nitrogen-vacancy centre to enable functionality at megabar pressures. We apply our technique to characterize a recently discovered hydride superconductor, CeH9 (ref. 10). By performing simultaneous magnetometry and electrical transport measurements, we observe the dual signatures of superconductivity: diamagnetism characteristic of the Meissner effect and a sharp drop of the resistance to near zero. By locally mapping both the diamagnetic response and flux trapping, we directly image the geometry of superconducting regions, showing marked inhomogeneities at the micron scale. Our work brings quantum sensing to the megabar frontier and enables the closed-loop optimization of superhydride materials synthesis.
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Affiliation(s)
- P Bhattacharyya
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - W Chen
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
| | - X Huang
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
| | - S Chatterjee
- Department of Physics, University of California, Berkeley, CA, USA
- Department of Physics, Carnegie Mellon University, Pittsburgh, PA, USA
| | - B Huang
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - B Kobrin
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Y Lyu
- Department of Physics, University of California, Berkeley, CA, USA
| | - T J Smart
- Department of Physics, University of California, Berkeley, CA, USA
- Department of Earth and Planetary Science, University of California, Berkeley, CA, USA
| | - M Block
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - E Wang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Z Wang
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - W Wu
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - S Hsieh
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - H Ma
- Department of Chemistry, University of Chicago, Chicago, IL, USA
| | - S Mandyam
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - B Chen
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - E Davis
- Department of Physics, University of California, Berkeley, CA, USA
| | - Z M Geballe
- Earth and Planets Laboratory, Carnegie Institution of Washington, Washington, DC, USA
| | - C Zu
- Department of Physics, Washington University in St. Louis, St. Louis, MO, USA
| | - V Struzhkin
- Center for High Pressure Science and Technology Advanced Research, Shanghai, China
| | - R Jeanloz
- Department of Earth and Planetary Science, University of California, Berkeley, CA, USA
| | - J E Moore
- Department of Physics, University of California, Berkeley, CA, USA
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - T Cui
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, China
- School of Physical Science and Technology, Ningbo University, Ningbo, China
| | - G Galli
- Department of Chemistry, University of Chicago, Chicago, IL, USA
- Materials Science Division and Center for Molecular Engineering, Argonne National Laboratory, Lemont, IL, USA
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - B I Halperin
- Department of Physics, Harvard University, Cambridge, MA, USA
| | - C R Laumann
- Department of Physics, Boston University, Boston, MA, USA
| | - N Y Yao
- Department of Physics, University of California, Berkeley, CA, USA.
- Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
- Department of Physics, Harvard University, Cambridge, MA, USA.
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5
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Ho KO, Yang S. Quantum sensor settles debate about superconductivity in hydrides. Nature 2024; 627:45-46. [PMID: 38418725 DOI: 10.1038/d41586-024-00423-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
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6
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Du Z, Gupta M, Xu F, Zhang K, Zhang J, Zhou Y, Liu Y, Wang Z, Wrachtrup J, Wong N, Li C, Chu Z. Widefield Diamond Quantum Sensing with Neuromorphic Vision Sensors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304355. [PMID: 37939304 PMCID: PMC10787069 DOI: 10.1002/advs.202304355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/04/2023] [Indexed: 11/10/2023]
Abstract
Despite increasing interest in developing ultrasensitive widefield diamond magnetometry for various applications, achieving high temporal resolution and sensitivity simultaneously remains a key challenge. This is largely due to the transfer and processing of massive amounts of data from the frame-based sensor to capture the widefield fluorescence intensity of spin defects in diamonds. In this study, a neuromorphic vision sensor to encode the changes of fluorescence intensity into spikes in the optically detected magnetic resonance (ODMR) measurements is adopted, closely resembling the operation of the human vision system, which leads to highly compressed data volume and reduced latency. It also results in a vast dynamic range, high temporal resolution, and exceptional signal-to-background ratio. After a thorough theoretical evaluation, the experiment with an off-the-shelf event camera demonstrated a 13× improvement in temporal resolution with comparable precision of detecting ODMR resonance frequencies compared with the state-of-the-art highly specialized frame-based approach. It is successfully deploy this technology in monitoring dynamically modulated laser heating of gold nanoparticles coated on a diamond surface, a recognizably difficult task using existing approaches. The current development provides new insights for high-precision and low-latency widefield quantum sensing, with possibilities for integration with emerging memory devices to realize more intelligent quantum sensors.
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Affiliation(s)
- Zhiyuan Du
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Madhav Gupta
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Feng Xu
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Kai Zhang
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518000, China
| | - Jiahua Zhang
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Yan Zhou
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518000, China
| | - Yiyao Liu
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou, 510006, China
| | - Zhenyu Wang
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou, 510006, China
- Frontier Research Institute for Physics, South China Normal University, Guangzhou, 510006, China
| | - Jörg Wrachtrup
- 3rd Institute of Physics, Research Center SCoPE and IQST, University of Stuttgart, 70569, Stuttgart, Germany
- Max Planck Institute for Solid State Research, 70569, Stuttgart, Germany
| | - Ngai Wong
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Can Li
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Zhiqin Chu
- Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, 999077, P. R. China
- School of Biomedical Sciences, The University of Hong Kong, Hong Kong, 999077, P. R. China
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Hong Kong, 999077, P. R. China
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7
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Lin N, van Zomeren K, van Veen T, Mzyk A, Zhang Y, Zhou X, Plosch T, Tietge UJF, Cantineau A, Hoek A, Schirhagl R. Quantum Sensing of Free Radicals in Primary Human Granulosa Cells with Nanoscale Resolution. ACS CENTRAL SCIENCE 2023; 9:1784-1798. [PMID: 37780363 PMCID: PMC10540281 DOI: 10.1021/acscentsci.3c00747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Indexed: 10/03/2023]
Abstract
Cumulus granulosa cells (cGCs) and mural granulosa cells (mGCs), although derived from the same precursors, are anatomically and functionally heterogeneous. They are critical for female fertility by supporting oocyte competence and follicular development. There are various techniques used to investigate the role of free radicals in mGCs and cCGs. Yet, temporospatial resolution remains a challenge. We used a quantum sensing approach to study free radical generation at nanoscale in cGCs and mGCs isolated from women undergoing oocyte retrieval during in vitro fertilization (IVF). Cells were incubated with bare fluorescent nanodiamonds (FNDs) or mitochondria targeted FNDs to detect free radicals in the cytoplasm and mitochondria. After inducing oxidative stress with menadione, we continued to detect free radical generation for 30 min. We observed an increase in free radical generation in cGCs and mGCs from 10 min on. Although cytoplasmic and mitochondrial free radical levels are indistinguishable in the physiological state in both cGCs and mGCs, the free radical changes measured in mitochondria were significantly larger in both cell types, suggesting mitochondria are sites of free radical generation. Furthermore, we observed later occurrence and a smaller percentage of cytoplasmic free radical change in cGCs, indicating that cGCs may be more resistant to oxidative stress.
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Affiliation(s)
- Nuan Lin
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
- Department
of Obstetrics and Gynecology, The First
Affiliated Hospital of Shantou University Medical College, 515041 Shantou, China
| | - Koen van Zomeren
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Teelkien van Veen
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Aldona Mzyk
- Department
of Biomedical Engineering, Groningen University,
University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
- Institute
of Metallurgy and Materials Science, Polish
Academy of Sciences, Reymonta 25, 30-059 Krakow, Poland
| | - Yue Zhang
- Department
of Biomedical Engineering, Groningen University,
University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Xiaoling Zhou
- Center
for Reproductive Medicine, Shantou University
Medical College, Shantou 515041, China
| | - Torsten Plosch
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Uwe J. F. Tietge
- Division
of Clinical Chemistry, Department of Laboratory Medicine, Karolinska Institute, SE-141 52 Stockholm, Sweden
- Clinical
Chemistry, Karolinska University Laboratory, Karolinska University Hospital, Stockholm, SE-141 86 Stockholm, Sweden
| | - Astrid Cantineau
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Annemieke Hoek
- Department
of Obstetrics and Gynecology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Romana Schirhagl
- Department
of Biomedical Engineering, Groningen University,
University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
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8
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Happacher J, Bocquel J, Dinani HT, Tschudin MA, Reiser P, Broadway DA, Maze JR, Maletinsky P. Temperature-Dependent Photophysics of Single NV Centers in Diamond. PHYSICAL REVIEW LETTERS 2023; 131:086904. [PMID: 37683170 DOI: 10.1103/physrevlett.131.086904] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 04/26/2023] [Accepted: 06/14/2023] [Indexed: 09/10/2023]
Abstract
We present a comprehensive study of the temperature- and magnetic-field-dependent photoluminescence (PL) of individual NV centers in diamond, spanning the temperature-range from cryogenic to ambient conditions. We directly observe the emergence of the NV's room-temperature effective excited-state structure and provide a clear explanation for a previously poorly understood broad quenching of NV PL at intermediate temperatures around 50 K, as well as the subsequent revival of NV PL. We develop a model based on two-phonon orbital averaging that quantitatively explains all of our findings, including the strong impact that strain has on the temperature dependence of the NV's PL. These results complete our understanding of orbital averaging in the NV excited state and have significant implications for the fundamental understanding of the NV center and its applications in quantum sensing.
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Affiliation(s)
- Jodok Happacher
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - Juanita Bocquel
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - Hossein T Dinani
- Escuela de Ingeniería, Facultad de Ciencias, Ingeniería y Tecnología, Universidad Mayor, Santiago 7500994, Chile
| | - Märta A Tschudin
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - Patrick Reiser
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - David A Broadway
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
| | - Jeronimo R Maze
- Facultad de Física, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Patrick Maletinsky
- Department of Physics, University of Basel, Klingelbergstrasse 82, Basel CH-4056, Switzerland
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9
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Machado F, Demler EA, Yao NY, Chatterjee S. Quantum Noise Spectroscopy of Dynamical Critical Phenomena. PHYSICAL REVIEW LETTERS 2023; 131:070801. [PMID: 37656851 DOI: 10.1103/physrevlett.131.070801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 06/12/2023] [Indexed: 09/03/2023]
Abstract
The transition between distinct phases of matter is characterized by the nature of fluctuations near the critical point. We demonstrate that noise spectroscopy can not only diagnose the presence of a phase transition, but can also determine fundamental properties of its criticality. In particular, by analyzing a scaling collapse of the decoherence profile, one can directly extract the critical exponents of the transition and identify its universality class. Our approach naturally captures the presence of conservation laws and distinguishes between classical and quantum phase transitions. In the context of quantum magnetism, our proposal complements existing techniques and provides a novel toolset optimized for interrogating two-dimensional magnetic materials.
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Affiliation(s)
- Francisco Machado
- ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - Eugene A Demler
- Institute for Theoretical Physics, ETH Zurich, 8093 Zurich, Switzerland
| | - Norman Y Yao
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - Shubhayu Chatterjee
- Department of Physics, University of California, Berkeley, California 94720, USA
- Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
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10
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Zhang J, Liu L, Zheng C, Li W, Wang C, Wang T. Embedded nano spin sensor for in situ probing of gas adsorption inside porous organic frameworks. Nat Commun 2023; 14:4922. [PMID: 37582960 PMCID: PMC10427628 DOI: 10.1038/s41467-023-40683-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 08/01/2023] [Indexed: 08/17/2023] Open
Abstract
Spin-based sensors have attracted considerable attention owing to their high sensitivities. Herein, we developed a metallofullerene-based nano spin sensor to probe gas adsorption within porous organic frameworks. For this, spin-active metallofullerene, Sc3C2@C80, was selected and embedded into a nanopore of a pyrene-based covalent organic framework (Py-COF). Electron paramagnetic resonance (EPR) spectroscopy recorded the EPR signals of Sc3C2@C80 within Py-COF after adsorbing N2, CO, CH4, CO2, C3H6, and C3H8. Results indicated that the regularly changing EPR signals of embedded Sc3C2@C80 were associated with the gas adsorption performance of Py-COF. In contrast to traditional adsorption isotherm measurements, this implantable nano spin sensor could probe gas adsorption and desorption with in situ, real-time monitoring. The proposed nano spin sensor was also employed to probe the gas adsorption performance of a metal-organic framework (MOF-177), demonstrating its versatility. The nano spin sensor is thus applicable for quantum sensing and precision measurements.
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Affiliation(s)
- Jie Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Linshan Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
| | - Chaofeng Zheng
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wang Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
| | - Chunru Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
| | - Taishan Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China.
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11
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Wang G, Barr AR, Tang H, Chen M, Li C, Xu H, Stasiuk A, Li J, Cappellaro P. Characterizing Temperature and Strain Variations with Qubit Ensembles for Their Robust Coherence Protection. PHYSICAL REVIEW LETTERS 2023; 131:043602. [PMID: 37566832 DOI: 10.1103/physrevlett.131.043602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 05/30/2023] [Accepted: 06/20/2023] [Indexed: 08/13/2023]
Abstract
Solid-state spin defects, especially nuclear spins with potentially achievable long coherence times, are compelling candidates for quantum memories and sensors. However, their current performances are still limited by dephasing due to variations of their intrinsic quadrupole and hyperfine interactions. We propose an unbalanced echo to overcome this challenge by using a second spin to refocus variations of these interactions while preserving the quantum information stored in the nuclear spin free evolution. The unbalanced echo can be used to probe the temperature and strain distribution in materials. We develop first-principles methods to predict variations of these interactions and reveal their correlation over large temperature and strain ranges. Experiments performed in an ensemble of ∼10^{10} nuclear spins in diamond demonstrate a 20-fold dephasing time increase, limited by other noise sources. We further numerically show that our method can refocus even stronger noise variations than present in our experiments.
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Affiliation(s)
- Guoqing Wang
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Ariel Rebekah Barr
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Hao Tang
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Mo Chen
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Thomas J. Watson, Sr., Laboratory of Applied Physics, California Institute of Technology, Pasadena, California 91125, USA
- Institute for Quantum Information and Matter, California Institute of Technology, Pasadena, California 91125, USA
| | - Changhao Li
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Haowei Xu
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Andrew Stasiuk
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Ju Li
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Paola Cappellaro
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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12
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Fan S, Nie L, Zhang Y, Ustyantseva E, Woudstra W, Kampinga HH, Schirhagl R. Diamond Quantum Sensing Revealing the Relation between Free Radicals and Huntington's Disease. ACS CENTRAL SCIENCE 2023; 9:1427-1436. [PMID: 37521781 PMCID: PMC10375573 DOI: 10.1021/acscentsci.3c00513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Indexed: 08/01/2023]
Abstract
Huntington's disease (HD) is a well-studied yet rare disease caused by a specific mutation that results in the expression of polyglutamine (PolyQ). The formation of aggregates of PolyQ leads to disease and increases the level of free radicals. However, it is unclear where free radicals are generated and how they impact cells. To address this, a new method called relaxometry was used to perform nanoscale MRI measurements with a subcellular resolution. The method uses a defect in fluorescent nanodiamond (FND) that changes its optical properties based on its magnetic surroundings, allowing for sensitive detection of free radicals. To investigate if radical generation occurs near PolyQ aggregates, stable tetracycline (tet)-inducible HDQ119-EGFP-expressing human embryonic kidney cells (HEK PQ) were used to induce the PolyQ formation and Huntington aggregation. The study found that NDs are highly colocalized with PolyQ aggregates at autolysosomes, and as the amount of PolyQ aggregation increased, so did the production of free radicals, indicating a relationship between PolyQ aggregation and autolysosome dysfunction.
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Affiliation(s)
- S. Fan
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - L. Nie
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - Y. Zhang
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - E. Ustyantseva
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - W. Woudstra
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - H. H. Kampinga
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
| | - R. Schirhagl
- University
Medical Center Groningen, Groningen University, Antonius Deusinglaan 1 9713AV Groningen, The Netherlands
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13
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Dasika S, Parashar M, Saha K. Mapping AC susceptibility with quantum diamond microscope. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2023; 94:2887607. [PMID: 37125854 DOI: 10.1063/5.0138301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
We present a technique for determining the micro-scale AC susceptibility of magnetic materials. We use the magnetic field sensing properties of nitrogen-vacancy (NV-) centers in diamond to gather quantitative data about the magnetic state of the magnetic material under investigation. A quantum diamond microscope with an integrated lock-in camera is used to perform pixel-by-pixel, lock-in detection of NV- photo-luminescence for high-speed magnetic field imaging. In addition, a secondary sensor is employed to isolate the effect of the excitation field from fields arising from magnetic structures on NV- centers. We demonstrate our experimental technique by measuring the AC susceptibility of soft permalloy micro-magnets at excitation frequencies of up to 20 Hz with a spatial resolution of 1.2 µm and a field of view of 100 µm. Our work paves the way for microscopic measurement of AC susceptibilities of magnetic materials relevant to physical, biological, and material sciences.
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Affiliation(s)
- Shishir Dasika
- Department of Electrical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Madhur Parashar
- Department of Electrical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Kasturi Saha
- Department of Electrical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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14
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Wang JF, Liu L, Liu XD, Li Q, Cui JM, Zhou DF, Zhou JY, Wei Y, Xu HA, Xu W, Lin WX, Yan JW, He ZX, Liu ZH, Hao ZH, Li HO, Liu W, Xu JS, Gregoryanz E, Li CF, Guo GC. Magnetic detection under high pressures using designed silicon vacancy centres in silicon carbide. NATURE MATERIALS 2023; 22:489-494. [PMID: 36959503 DOI: 10.1038/s41563-023-01477-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Pressure-induced magnetic phase transitions are attracting interest as a means to detect superconducting behaviour at high pressures in diamond anvil cells, but determining the local magnetic properties of samples is a challenge due to the small volumes of sample chambers. Optically detected magnetic resonance of nitrogen vacancy centres in diamond has recently been used for the in situ detection of pressure-induced phase transitions. However, owing to their four orientation axes and temperature-dependent zero-field splitting, interpreting these optically detected magnetic resonance spectra remains challenging. Here we study the optical and spin properties of implanted silicon vacancy defects in 4H-silicon carbide that exhibit single-axis and temperature-independent zero-field splitting. Using this technique, we observe the magnetic phase transition of Nd2Fe14B at about 7 GPa and map the critical temperature-pressure phase diagram of the superconductor YBa2Cu3O6.6. These results highlight the potential of silicon vacancy-based quantum sensors for in situ magnetic detection at high pressures.
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Affiliation(s)
- Jun-Feng Wang
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- College of Physics, Sichuan University, Chengdu, China
| | - Lin Liu
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Xiao-Di Liu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China.
| | - Qiang Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
| | - Jin-Ming Cui
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China
| | - Di-Fan Zhou
- Physics Department, Shanghai Key Laboratory of High Temperature Superconductors, Shanghai University, Shanghai, China
| | - Ji-Yang Zhou
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
| | - Yu Wei
- Center for Micro- and Nanoscale Research and Fabrication, University of Science and Technology of China, Hefei, China
| | - Hai-An Xu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Wan Xu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Wu-Xi Lin
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China
| | - Jin-Wei Yan
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China
| | - Zhen-Xuan He
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
| | - Zheng-Hao Liu
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
| | - Zhi-He Hao
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
| | - Hai-Ou Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China
| | - Wen Liu
- Center for Micro- and Nanoscale Research and Fabrication, University of Science and Technology of China, Hefei, China
| | - Jin-Shi Xu
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China.
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China.
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China.
| | - Eugene Gregoryanz
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, China.
- Centre for Science at Extreme Conditions and School of Physics and Astronomy, University of Edinburgh, Edinburgh, UK.
- Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai, China.
| | - Chuan-Feng Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China.
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China.
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China.
| | - Guang-Can Guo
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei, China
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15
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Wu K, Nie L, Nusantara AC, Woudstra W, Vedelaar T, Sigaeva A, Schirhagl R. Diamond Relaxometry as a Tool to Investigate the Free Radical Dialogue between Macrophages and Bacteria. ACS NANO 2023; 17:1100-1111. [PMID: 36630151 PMCID: PMC9878971 DOI: 10.1021/acsnano.2c08190] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Although free radicals, which are generated by macrophages play a key role in antimicrobial activities, macrophages sometimes fail to kill Staphylococcus aureus (S. aureus) as bacteria have evolved mechanisms to withstand oxidative stress. In the past decades, several ROS-related staphylococcal proteins and enzymes were characterized to explain the microorganism's antioxidative defense system. Yet, time-resolved and site-specific free radical/ROS detection in bacterial infection were full of challenges. In this work, we utilize diamond-based quantum sensing for studying alterations of the free radical response near S. aureus in macrophages. To achieve this goal we used S. aureus-fluorescent nanodiamond conjugates and measured the spin-lattice relaxation (T1) of NV defects embedded in nanodiamonds. We observed an increase of intracellular free radical generation when macrophages were challenged with S. aureus. However, under a high intracellular oxidative stress environment elicited by lipopolysaccharides, a lower radical load was recorded on the bacteria surfaces. Moreover, by performing T1 measurements on the same particles at different times postinfection, we found that radicals were dominantly scavenged by S. aureus from 80 min postinfection under a high intracellular oxidative stress environment.
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Affiliation(s)
- Kaiqi Wu
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Linyan Nie
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Anggrek C. Nusantara
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Willem Woudstra
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Thea Vedelaar
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Alina Sigaeva
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Romana Schirhagl
- Department
of Biomedical Engineering, University of
Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
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16
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Liu L, Wang JF, Liu XD, Xu HA, Cui JM, Li Q, Zhou JY, Lin WX, He ZX, Xu W, Wei Y, Liu ZH, Wang P, Hao ZH, Ding JF, Li HO, Liu W, Li H, You L, Xu JS, Gregoryanz E, Li CF, Guo GC. Coherent Control and Magnetic Detection of Divacancy Spins in Silicon Carbide at High Pressures. NANO LETTERS 2022; 22:9943-9950. [PMID: 36507869 DOI: 10.1021/acs.nanolett.2c03378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Spin defects in silicon carbide appear to be a promising tool for various quantum technologies, especially for quantum sensing. However, this technique has been used only at ambient pressure until now. Here, by combining this technique with diamond anvil cell, we systematically study the optical and spin properties of divacancy defects created at the surface of SiC at pressures up to 40 GPa. The zero-field-splitting of the divacancy spins increases linearly with pressure with a slope of 25.1 MHz/GPa, which is almost two-times larger than that of nitrogen-vacancy centers in diamond. The corresponding pressure sensing sensitivity is about 0.28 MPa/Hz-1/2. The coherent control of divacancy demonstrates that coherence time decreases as pressure increases. Based on these, the pressure-induced magnetic phase transition of Nd2Fe14B sample at high pressures was detected. These experiments pave the way to use divacancy in quantum technologies such as pressure sensing and magnetic detection at high pressures.
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Affiliation(s)
- Lin Liu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
| | - Jun-Feng Wang
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- College of Physics, Sichuan University, Chengdu, Sichuan610065, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Xiao-Di Liu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Hai-An Xu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Jin-Ming Cui
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
| | - Qiang Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Ji-Yang Zhou
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Wu-Xi Lin
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Zhen-Xuan He
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Wan Xu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Yu Wei
- Center for Micro- and Nanoscale Research and Fabrication, University of Science and Technology of China, Hefei, Anhui230027, China
| | - Zheng-Hao Liu
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Pu Wang
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Zhi-He Hao
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
| | - Jun-Feng Ding
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
| | - Hai-Ou Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
| | - Wen Liu
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
| | - Hao Li
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Lixing You
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai200050, China
| | - Jin-Shi Xu
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
| | - Eugene Gregoryanz
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei230031, China
- Centre for Science at Extreme Conditions, School of Physics and Astronomy, University of Edinburgh, EdinburghEH9 3FD, U.K
| | - Chuan-Feng Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
| | - Guang-Can Guo
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei230026, China
- Hefei National Laboratory, University of Science and Technology of China, Hefei230088, China
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17
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Wang Z, Kong F, Zhao P, Huang Z, Yu P, Wang Y, Shi F, Du J. Picotesla magnetometry of microwave fields with diamond sensors. SCIENCE ADVANCES 2022; 8:eabq8158. [PMID: 35947671 PMCID: PMC9365270 DOI: 10.1126/sciadv.abq8158] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Developing robust microwave-field sensors is both fundamentally and practically important with a wide range of applications from astronomy to communication engineering. The nitrogen vacancy (NV) center in diamond is an attractive candidate for such purpose because of its magnetometric sensitivity, stability, and compatibility with ambient conditions. However, the existing NV center-based magnetometers have limited sensitivity in the microwave band. Here, we present a continuous heterodyne detection scheme that can enhance the sensor's response to weak microwaves, even in the absence of spin controls. Experimentally, we achieve a sensitivity of 8.9 pT Hz-1/2 for microwaves of 2.9 GHz by simultaneously using an ensemble of nNV ~ 2.8 × 1013 NV centers within a sensor volume of 4 × 10-2 mm3. Besides, we also achieve 1/t scaling of frequency resolution up to measurement time t of 10,000 s. Our scheme removes control pulses and thus will greatly benefit practical applications of diamond-based microwave sensors.
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Affiliation(s)
- Zhecheng Wang
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Fei Kong
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Pengju Zhao
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Zhehua Huang
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Pei Yu
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
| | - Ya Wang
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei National Laboratory, Hefei 230088, China
| | - Fazhan Shi
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei National Laboratory, Hefei 230088, China
- School of Biomedical Engineering and Suzhou Institute for Advanced Research, University of Science and Technology of China, Suzhou 215123, China
| | - Jiangfeng Du
- CAS Key Laboratory of Microscale Magnetic Resonance and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China
- CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China
- Hefei National Laboratory, Hefei 230088, China
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18
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Ku CH, Liu X, Xie J, Zhang W, Lam ST, Chen Y, Zhou X, Zhao Y, Wang S, Yang S, Lai KT, Goh SK. Patterned diamond anvils prepared via laser writing for electrical transport measurements of thin quantum materials under pressure. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:083912. [PMID: 36050123 DOI: 10.1063/5.0098226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Quantum materials exhibit intriguing properties with important scientific values and huge technological potential. Electrical transport measurements under hydrostatic pressure have been influential in unraveling the underlying physics of many quantum materials in bulk form. However, such measurements have not been applied widely to samples in the form of thin flakes, in which new phenomena can emerge, due to the difficulty in attaching fine wires to a thin sample suitable for high-pressure devices. Here, we utilize a home-built direct laser writing system to functionalize a diamond anvil to directly integrate the capability of conducting electrical transport measurements of thin flakes with a pressure cell. With our methodology, the culet of a diamond anvil is equipped with a set of custom-designed conducting tracks. We demonstrate the superiority of these tracks as electrodes for the studies of thin flakes by presenting the measurement of pressure-enhanced superconductivity and quantum oscillations in a flake of MoTe2.
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Affiliation(s)
- Che-Hsuan Ku
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Xinyou Liu
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Jianyu Xie
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - W Zhang
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Siu Tung Lam
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Y Chen
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Xuefeng Zhou
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Yusheng Zhao
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Shanmin Wang
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Sen Yang
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Kwing To Lai
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Swee K Goh
- Department of Physics, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
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19
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Magaletti S, Mayer L, Roch JF, Debuisschert T. A quantum radio frequency signal analyzer based on nitrogen vacancy centers in diamond. COMMUNICATIONS ENGINEERING 2022; 1:19. [PMCID: PMC10955911 DOI: 10.1038/s44172-022-00017-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/11/2022] [Indexed: 06/12/2024]
Abstract
The rapid development of radio-frequency (RF) technologies requires tools which can efficiently monitor the electromagnetic landscape. Broadband real-time RF spectral analyzers need to operate at room temperature, with low power consumption and have a compact design for on-board device integration. Here we describe a Quantum Diamond Signal Analyzer (Q-DiSA) which detects RF signals over a tunable frequency range of 25 GHz with frequency resolution down to 1 MHz, a millisecond temporal resolution and a large dynamic range (40 dB). This approach exploits the room temperature spin properties of an ensemble of nitrogen-vacancy (NV) centers in diamond. Performance is enabled via our analyzer architecture which combines a specific diamond crystallographic cut with a simplified magnetic arrangement. This allows us to maintain the alignment of the magnetic field along the nitrogen-vacancy center axis whilst frequency tuning. These results demonstrate the potential of the Q-DiSA method for real-time broadband spectral analysis. Debuisschert and colleagues describe a radio frequency signal analyzer platform utilizing the quantum properties of the nitrogen-vacancy center in single crystal diamond. This platform enables millisecond detection of complex microwave signals over a broad tunable frequency range up to 25 GHz.
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Affiliation(s)
- Simone Magaletti
- Thales Research and Technology, 1 Avenue Augustin Fresnel, 91767 Palaiseau Cedex, France
| | - Ludovic Mayer
- Thales Research and Technology, 1 Avenue Augustin Fresnel, 91767 Palaiseau Cedex, France
| | - Jean-François Roch
- Université Paris-Saclay, CNRS, ENS Paris-Saclay, CentraleSupelec, LuMIn, 91190 Gif-sur-Yvette, France
| | - Thierry Debuisschert
- Thales Research and Technology, 1 Avenue Augustin Fresnel, 91767 Palaiseau Cedex, France
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20
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Mzyk A, Ong Y, Ortiz Moreno AR, Padamati SK, Zhang Y, Reyes-San-Martin CA, Schirhagl R. Diamond Color Centers in Diamonds for Chemical and Biochemical Analysis and Visualization. Anal Chem 2022; 94:225-249. [PMID: 34841868 DOI: 10.1021/acs.analchem.1c04536] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Aldona Mzyk
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
- Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Reymonta 25, 30-059 Krakow, Poland
| | - Yori Ong
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Ari R Ortiz Moreno
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Sandeep K Padamati
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Yue Zhang
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Claudia A Reyes-San-Martin
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
| | - Romana Schirhagl
- University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands
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21
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Romanenko GV, Letyagin GA, Ovcharenko VI. Effect of pressure on the structure of multispin complexes. RUSSIAN CHEMICAL REVIEWS 2022. [DOI: 10.1070/rcr5028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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22
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Zhang SC, Dong Y, Du B, Lin HB, Li S, Zhu W, Wang GZ, Chen XD, Guo GC, Sun FW. A robust fiber-based quantum thermometer coupled with nitrogen-vacancy centers. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2021; 92:044904. [PMID: 34243481 DOI: 10.1063/5.0044824] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/16/2021] [Indexed: 06/13/2023]
Abstract
The nitrogen-vacancy center in diamond has been broadly applied in quantum sensing since it is sensitive to different physical quantities. Meanwhile, it is difficult to isolate disturbances from unwanted physical quantities in practical applications. Here, we present a fiber-based quantum thermometer by tracking the sharp-dip in the zero-field optically detected magnetic resonance spectrum in a high-density nitrogen-vacancy ensemble. Such a scheme can not only significantly isolate the magnetic field and microwave power drift but also improve the temperature sensitivity. Thanks to its simplicity and compatibility in implementation and robustness, this quantum thermometer is then applied to the surface temperature imaging of an electronic chip with a sensitivity of 18mK/Hz. It thus paves the way to high sensitive temperature measurements in ambiguous environments.
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Affiliation(s)
- Shao-Chun Zhang
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Yang Dong
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Bo Du
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Hao-Bin Lin
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Shen Li
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Wei Zhu
- Hefei National Laboratory for Physical Science at Microscale, and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Guan-Zhong Wang
- Hefei National Laboratory for Physical Science at Microscale, and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Xiang-Dong Chen
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Guang-Can Guo
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Fang-Wen Sun
- CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
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23
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Snider E, Dasenbrock-Gammon N, McBride R, Wang X, Meyers N, Lawler KV, Zurek E, Salamat A, Dias RP. Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures. PHYSICAL REVIEW LETTERS 2021; 126:117003. [PMID: 33798352 DOI: 10.1103/physrevlett.126.117003] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 01/19/2021] [Indexed: 05/25/2023]
Abstract
The recent observation of room-temperature superconductivity will undoubtedly lead to a surge in the discovery of new, dense, hydrogen-rich materials. The rare earth metal superhydrides are predicted to have very high-T_{c} superconductivity that is tunable with changes in stoichiometry or doping. Here we report the synthesis of an yttrium superhydride that exhibits superconductivity at a critical temperature of 262 K at 182±8 GPa. A palladium thin film assists the synthesis by protecting the sputtered yttrium from oxidation and promoting subsequent hydrogenation. Phonon-mediated superconductivity is established by the observation of zero resistance, an isotope effect and the reduction of T_{c} under an external magnetic field. The upper critical magnetic field is 103 T at zero temperature.
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Affiliation(s)
- Elliot Snider
- Department of Mechanical Engineering, School of Engineering and Applied Sciences, University of Rochester, Rochester, New York 14627, USA
| | | | - Raymond McBride
- Department of Mechanical Engineering, School of Engineering and Applied Sciences, University of Rochester, Rochester, New York 14627, USA
| | - Xiaoyu Wang
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, USA
| | - Noah Meyers
- Department of Mechanical Engineering, School of Engineering and Applied Sciences, University of Rochester, Rochester, New York 14627, USA
| | - Keith V Lawler
- Department of Chemistry & Biochemistry, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA
| | - Eva Zurek
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, USA
| | - Ashkan Salamat
- Department of Physics & Astronomy, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA
| | - Ranga P Dias
- Department of Mechanical Engineering, School of Engineering and Applied Sciences, University of Rochester, Rochester, New York 14627, USA
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA
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24
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25
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Snider E, Dasenbrock-Gammon N, McBride R, Debessai M, Vindana H, Vencatasamy K, Lawler KV, Salamat A, Dias RP. Room-temperature superconductivity in a carbonaceous sulfur hydride. Nature 2020; 586:373-377. [DOI: 10.1038/s41586-020-2801-z] [Citation(s) in RCA: 379] [Impact Index Per Article: 94.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 09/08/2020] [Indexed: 11/09/2022]
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26
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Jeon H, Wang C, Yi S, Cho JH. Origin of enhanced chemical precompression in cerium hydride [Formula: see text]. Sci Rep 2020; 10:16878. [PMID: 33037271 PMCID: PMC7547066 DOI: 10.1038/s41598-020-73665-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/16/2020] [Indexed: 11/08/2022] Open
Abstract
The rare-earth metal hydrides with clathrate structures have been highly attractive because of their promising high-[Formula: see text] superconductivity at high pressure. Recently, cerium hydride [Formula: see text] composed of Ce-encapsulated clathrate H cages was synthesized at much lower pressures of 80-100 GPa, compared to other experimentally synthesized rare-earth hydrides such as [Formula: see text] and [Formula: see text]. Based on density-functional theory calculations, we find that the Ce 5p semicore and 4f/5d valence states strongly hybridize with the H 1s state, while a transfer of electrons occurs from Ce to H atoms. Further, we reveal that the delocalized nature of Ce 4f electrons plays an important role in the chemical precompression of clathrate H cages. Our findings not only suggest that the bonding nature between the Ce atoms and H cages is characterized as a mixture of ionic and covalent, but also have important implications for understanding the origin of enhanced chemical precompression that results in the lower pressures required for the synthesis of [Formula: see text].
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Affiliation(s)
- Hyunsoo Jeon
- Department of Physics, Research Institute for Natural Science, and Institute for High Pressure at Hanyang University, Hanyang University, 222 Wangsimni-ro, Seongdong-ku, Seoul, 04763 Republic of Korea
| | - Chongze Wang
- Department of Physics, Research Institute for Natural Science, and Institute for High Pressure at Hanyang University, Hanyang University, 222 Wangsimni-ro, Seongdong-ku, Seoul, 04763 Republic of Korea
| | - Seho Yi
- Department of Physics, Research Institute for Natural Science, and Institute for High Pressure at Hanyang University, Hanyang University, 222 Wangsimni-ro, Seongdong-ku, Seoul, 04763 Republic of Korea
| | - Jun-Hyung Cho
- Department of Physics, Research Institute for Natural Science, and Institute for High Pressure at Hanyang University, Hanyang University, 222 Wangsimni-ro, Seongdong-ku, Seoul, 04763 Republic of Korea
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27
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Affiliation(s)
- James J Hamlin
- Department of Physics, University of Florida, Gainesville, FL 32611, USA.
| | - Brian B Zhou
- Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
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28
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Lesik M, Plisson T, Toraille L, Renaud J, Occelli F, Schmidt M, Salord O, Delobbe A, Debuisschert T, Rondin L, Loubeyre P, Roch JF. Magnetic measurements on micrometer-sized samples under high pressure using designed NV centers. Science 2019; 366:1359-1362. [DOI: 10.1126/science.aaw4329] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 11/06/2019] [Indexed: 01/24/2023]
Abstract
Pressure can be used to tune the interplay among structural, electronic, and magnetic interactions in materials. High pressures are usually applied in the diamond anvil cell, making it difficult to study the magnetic properties of a micrometer-sized sample. We report a method for spatially resolved optical magnetometry based on imaging a layer of nitrogen-vacancy (NV) centers created at the surface of a diamond anvil. We illustrate the method using two sets of measurements realized at room temperature and low temperature, respectively: the pressure evolution of the magnetization of an iron bead up to 30 gigapascals showing the iron ferromagnetic collapse and the detection of the superconducting transition of magnesium dibromide at 7 gigapascals.
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Affiliation(s)
- Margarita Lesik
- Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | | | - Loïc Toraille
- Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | | | | | - Martin Schmidt
- Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | | | | | | | - Loïc Rondin
- Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
| | | | - Jean-François Roch
- Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Paris-Saclay, Université Paris-Saclay, 91405 Orsay Cedex, France
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