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Escobar J, Molina J, Gil-Santos E, Ruz JJ, Malvar Ó, Kosaka PM, Tamayo J, San Paulo Á, Calleja M. Nanomechanical Sensing for Mass Flow Control in Nanowire-Based Open Nanofluidic Systems. ACS NANO 2023; 17:21044-21055. [PMID: 37903505 PMCID: PMC10655260 DOI: 10.1021/acsnano.3c04020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 10/16/2023] [Accepted: 10/19/2023] [Indexed: 11/01/2023]
Abstract
Open nanofluidic systems, where liquids flow along the outer surface of nanoscale structures, provide otherwise unfeasible capabilities for extremely miniaturized liquid handling applications. A critical step toward fully functional applications is to obtain quantitative mass flow control. We demonstrate the application of nanomechanical sensing for this purpose by integrating voltage-driven liquid flow along nanowire open channels with mass detection based on flexural resonators. This approach is validated by assembling the nanowires with microcantilever resonators, enabling high-precision control of larger flows, and by using the nanowires as resonators themselves, allowing extremely small liquid volume handling. Both implementations are demonstrated by characterizing voltage-driven flow of ionic liquids along the surface of the nanowires. We find a voltage range where mass flow rate follows a nonlinear monotonic increase, establishing a steady flow regime for which we show mass flow control at rates from below 1 ag/s to above 100 fg/s and precise liquid handling down to the zeptoliter scale. The observed behavior of mass flow rate is consistent with a voltage-induced transition from static wetting to dynamic spreading as the mechanism underlying liquid transport along the nanowires.
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Affiliation(s)
- Javier
E. Escobar
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Juan Molina
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Eduardo Gil-Santos
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - José J. Ruz
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Óscar Malvar
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Priscila M. Kosaka
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Javier Tamayo
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Álvaro San Paulo
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
| | - Montserrat Calleja
- Instituto
de Micro y Nanotecnología (IMN-CNM, CSIC), Isaac Newton 8, 28760 Tres Cantos, Madrid, Spain
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2
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Kähler H, Arthaber H, Winkler R, West RG, Ignat I, Plank H, Schmid S. Transduction of Single Nanomechanical Pillar Resonators by Scattering of Surface Acoustic Waves. NANO LETTERS 2023; 23:4344-4350. [PMID: 37167540 DOI: 10.1021/acs.nanolett.3c00605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
One of the challenges of nanoelectromechanical systems (NEMS) is the effective transduction of the tiny resonators. Vertical structures, such as nanomechanical pillar resonators, which are exploited in optomechanics, acoustic metamaterials, and nanomechanical sensing, are particularly challenging to transduce. Existing electromechanical transduction methods are ill-suited as they put constraints on the pillars' material and do not enable a transduction of freestanding pillars. Here, we present an electromechanical transduction method for single nanomechanical pillar resonators based on surface acoustic waves (SAWs). We demonstrate the transduction of freestanding nanomechanical platinum-carbon pillars in the first-order bending and compression mode. Since the principle of the transduction method is based on resonant scattering of a SAW by a nanomechanical resonator, our transduction method is independent of the pillar's material and not limited to pillar-shaped geometries. It represents a general method to transduce vertical mechanical resonators with nanoscale lateral dimensions.
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Affiliation(s)
- Hendrik Kähler
- Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27-29, 1040 Vienna, Austria
| | - Holger Arthaber
- Institute of Electrodynamics, Microwave and Circuit Engineering, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria
| | - Robert Winkler
- Christian Doppler Laboratory for Direct-Write Fabrication of 3D Nanoprobes (DEFINE), Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria
| | - Robert G West
- Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27-29, 1040 Vienna, Austria
| | - Ioan Ignat
- Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27-29, 1040 Vienna, Austria
| | - Harald Plank
- Christian Doppler Laboratory for Direct-Write Fabrication of 3D Nanoprobes (DEFINE), Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria
- Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17, 8010 Graz, Austria
- Graz Centre for Electron Microscopy, Steyrergasse 17, 8010 Graz, Austria
| | - Silvan Schmid
- Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27-29, 1040 Vienna, Austria
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Xu B, Zhang P, Zhu J, Liu Z, Eichler A, Zheng XQ, Lee J, Dash A, More S, Wu S, Wang Y, Jia H, Naik A, Bachtold A, Yang R, Feng PXL, Wang Z. Nanomechanical Resonators: Toward Atomic Scale. ACS NANO 2022; 16:15545-15585. [PMID: 36054880 PMCID: PMC9620412 DOI: 10.1021/acsnano.2c01673] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
The quest for realizing and manipulating ever smaller man-made movable structures and dynamical machines has spurred tremendous endeavors, led to important discoveries, and inspired researchers to venture to previously unexplored grounds. Scientific feats and technological milestones of miniaturization of mechanical structures have been widely accomplished by advances in machining and sculpturing ever shrinking features out of bulk materials such as silicon. With the flourishing multidisciplinary field of low-dimensional nanomaterials, including one-dimensional (1D) nanowires/nanotubes and two-dimensional (2D) atomic layers such as graphene/phosphorene, growing interests and sustained effort have been devoted to creating mechanical devices toward the ultimate limit of miniaturization─genuinely down to the molecular or even atomic scale. These ultrasmall movable structures, particularly nanomechanical resonators that exploit the vibratory motion in these 1D and 2D nano-to-atomic-scale structures, offer exceptional device-level attributes, such as ultralow mass, ultrawide frequency tuning range, broad dynamic range, and ultralow power consumption, thus holding strong promises for both fundamental studies and engineering applications. In this Review, we offer a comprehensive overview and summary of this vibrant field, present the state-of-the-art devices and evaluate their specifications and performance, outline important achievements, and postulate future directions for studying these miniscule yet intriguing molecular-scale machines.
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Affiliation(s)
- Bo Xu
- Institute
of Fundamental and Frontier Sciences, University
of Electronic Science and Technology of China, Chengdu610054, China
| | - Pengcheng Zhang
- University
of Michigan−Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai200240, China
| | - Jiankai Zhu
- Institute
of Fundamental and Frontier Sciences, University
of Electronic Science and Technology of China, Chengdu610054, China
| | - Zuheng Liu
- University
of Michigan−Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai200240, China
| | | | - Xu-Qian Zheng
- Department
of Electrical and Computer Engineering, Herbert Wertheim College of
Engineering, University of Florida, Gainesville, Florida32611, United States
- College
of Integrated Circuit Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing210023, China
| | - Jaesung Lee
- Department
of Electrical and Computer Engineering, Herbert Wertheim College of
Engineering, University of Florida, Gainesville, Florida32611, United States
- Department
of Electrical and Computer Engineering, University of Texas at El Paso, El Paso, Texas79968, United States
| | - Aneesh Dash
- Centre
for
Nano Science and Engineering, Indian Institute
of Science, Bangalore560012, Karnataka, India
| | - Swapnil More
- Centre
for
Nano Science and Engineering, Indian Institute
of Science, Bangalore560012, Karnataka, India
| | - Song Wu
- Institute
of Fundamental and Frontier Sciences, University
of Electronic Science and Technology of China, Chengdu610054, China
| | - Yanan Wang
- Department
of Electrical and Computer Engineering, Herbert Wertheim College of
Engineering, University of Florida, Gainesville, Florida32611, United States
- Department
of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska68588, United States
| | - Hao Jia
- Shanghai
Institute of Microsystem and Information Technology, Chinese Academy
of Sciences, Shanghai200050, China
| | - Akshay Naik
- Centre
for
Nano Science and Engineering, Indian Institute
of Science, Bangalore560012, Karnataka, India
| | - Adrian Bachtold
- ICFO-Institut
de Ciencies Fotoniques, The Barcelona Institute
of Science and Technology, Castelldefels, Barcelona08860, Spain
| | - Rui Yang
- University
of Michigan−Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai200240, China
- School of
Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Philip X.-L. Feng
- Department
of Electrical and Computer Engineering, Herbert Wertheim College of
Engineering, University of Florida, Gainesville, Florida32611, United States
| | - Zenghui Wang
- Institute
of Fundamental and Frontier Sciences, University
of Electronic Science and Technology of China, Chengdu610054, China
- State
Key Laboratory of Electronic Thin Films and Integrated Devices, University
of Electronic Science and Technology of China, Chengdu610054, China
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Chen Y, Liang T, Chen L, Chen Y, Yang BR, Luo Y, Liu GS. Self-assembly, alignment, and patterning of metal nanowires. NANOSCALE HORIZONS 2022; 7:1299-1339. [PMID: 36193823 DOI: 10.1039/d2nh00313a] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Armed with the merits of one-dimensional nanostructures (flexibility, high aspect ratio, and anisotropy) and metals (high conductivity, plasmonic properties, and catalytic activity), metal nanowires (MNWs) have stood out as a new class of nanomaterials in the last two decades. They are envisaged to expedite significantly and even revolutionize a broad spectrum of applications related to display, sensing, energy, plasmonics, photonics, and catalysis. Compared with disordered MNWs, well-organized MNWs would not only enhance the intrinsic physical and chemical properties, but also create new functions and sophisticated architectures of optoelectronic devices. This paper presents a comprehensive review of assembly strategies of MNWs, including self-assembly for specific structures, alignment for anisotropic constructions, and patterning for precise configurations. The technical processes, underlying mechanisms, performance indicators, and representative applications of these strategies are described and discussed to inspire further innovation in assembly techniques and guide the fabrication of optoelectrical devices. Finally, a perspective on the critical challenges and future opportunities of MNW assembly is provided.
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Affiliation(s)
- Ying Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
| | - Tianwei Liang
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
| | - Lei Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Yaofei Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Bo-Ru Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou 510006, China
| | - Yunhan Luo
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
| | - Gui-Shi Liu
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China.
- Key Laboratory of Visible Light Communications of Guangzhou, Jinan University, Guangzhou 510632, China
- Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Guangzhou 510632, China
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Observing polarization patterns in the collective motion of nanomechanical arrays. Nat Commun 2022; 13:2478. [PMID: 35513373 PMCID: PMC9072344 DOI: 10.1038/s41467-022-30024-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 04/12/2022] [Indexed: 12/04/2022] Open
Abstract
In recent years, nanomechanics has evolved into a mature field, and it has now reached a stage which enables the fabrication and study of ever more elaborate devices. This has led to the emergence of arrays of coupled nanomechanical resonators as a promising field of research serving as model systems to study collective dynamical phenomena such as synchronization or topological transport. From a general point of view, the arrays investigated so far can be effectively treated as scalar fields on a lattice. Moving to a scenario where the vector character of the fields becomes important would unlock a whole host of conceptually interesting additional phenomena, including the physics of polarization patterns in wave fields and their associated topology. Here we introduce a new platform, a two-dimensional array of coupled nanomechanical pillar resonators, whose orthogonal vibration directions encode a mechanical polarization degree of freedom. We demonstrate direct optical imaging of the collective dynamics, enabling us to analyze the emerging polarization patterns, follow their evolution with drive frequency, and identify topological polarization singularities. Coupled nanomechanical resonator arrays serve as model systems to study collective dynamical phenomena. Doster et al. introduce a two-dimensional array of pillar resonators encoding a mechanical polarization degree of freedom for analyzing polarization patterns and identifying topological singularities.
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Molina J, Escobar JE, Ramos D, Gil-Santos E, Ruz JJ, Tamayo J, San Paulo Á, Calleja M. High Dynamic Range Nanowire Resonators. NANO LETTERS 2021; 21:6617-6624. [PMID: 34288677 PMCID: PMC8361434 DOI: 10.1021/acs.nanolett.1c02056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Dynamic range quantifies the linear operation regime available in nanomechanical resonators. Nonlinearities dominate the response of flexural beams in the limit of very high aspect ratio and very small diameter, which leads to expectation of low dynamic range for nanowire resonators in general. However, the highest achievable dynamic range for nanowire resonators with practical dimensions remains to be determined. We report dynamic range measurements on singly clamped silicon nanowire resonators reaching remarkably high values of up to 90 dB obtained with a simple harmonic actuation scheme. We explain these measurements by a comprehensive theoretical examination of dynamic range in singly clamped flexural beams including the effect of tapering, a usual feature of semiconductor nanowires. Our analysis reveals the nanowire characteristics required for broad linear operation, and given the relationship between dynamic range and mass sensing performance, it also enables analytical determination of mass detection limits, reaching atomic-scale resolution for feasible nanowires.
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