1
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Mijit E, Durandurdu M, Rodrigues JEFS, Trapananti A, Rezvani SJ, Rosa AD, Mathon O, Irifune T, Di Cicco A. Structural and electronic transformations of GeSe 2 glass under high pressures studied by X-ray absorption spectroscopy. Proc Natl Acad Sci U S A 2024; 121:e2318978121. [PMID: 38536755 PMCID: PMC10998580 DOI: 10.1073/pnas.2318978121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/20/2024] [Indexed: 04/08/2024] Open
Abstract
Pressure-induced transformations in an archetypal chalcogenide glass (GeSe2) have been investigated up to 157 GPa by X-ray absorption spectroscopy (XAS) and molecular dynamics (MD) simulations. Ge and Se K-edge XAS data allowed simultaneous tracking of the correlated local structural and electronic changes at both Ge and Se sites. Thanks to the simultaneous analysis of extended X-ray absorption fine structure (EXAFS) signals of both edges, reliable quantitative information about the evolution of the first neighbor Ge-Se distribution could be obtained. It also allowed to account for contributions of the Ge-Ge and Se-Se bond distributions (chemical disorder). The low-density to high-density amorphous-amorphous transformation was found to occur within 10 to 30 GPa pressure range, but the conversion from tetrahedral to octahedral coordination of the Ge sites is completed above [Formula: see text] 80 GPa. No convincing evidence of another high-density amorphous state with coordination number larger than six was found within the investigated pressure range. The number of short Ge-Ge and Se-Se "wrong" bonds was found to increase upon pressurization. Experimental XAS results are confirmed by MD simulations, indicating the increase of chemical disorder under high pressure.
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Affiliation(s)
- Emin Mijit
- Physics Division, School of Science and Technology, University of Camerino, CamerinoI-62032, Italy
- European Synchrotron Radiation Facility, Grenoble Cedex 938043, France
| | - Murat Durandurdu
- Department of Nanotechnology Engineering, Abdullah Gül University, Kayseri38080, Turkey
| | | | - Angela Trapananti
- Physics Division, School of Science and Technology, University of Camerino, CamerinoI-62032, Italy
| | - S. Javad Rezvani
- Physics Division, School of Science and Technology, University of Camerino, CamerinoI-62032, Italy
| | | | - Olivier Mathon
- European Synchrotron Radiation Facility, Grenoble Cedex 938043, France
| | - Tetsuo Irifune
- Geodynamics Research Center, Ehime University, Matsuyama790-8577, Japan
| | - Andrea Di Cicco
- Physics Division, School of Science and Technology, University of Camerino, CamerinoI-62032, Italy
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2
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Lee SK, Yi Y, Kim YH, Kim HI, Chow P, Xiao Y, Eng P, Shen G. Imaging of the electronic bonding of diamond at pressures up to 2 million atmospheres. SCIENCE ADVANCES 2023; 9:eadg4159. [PMID: 37205753 DOI: 10.1126/sciadv.adg4159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/17/2023] [Indexed: 05/21/2023]
Abstract
Diamond shows unprecedented hardness. Because hardness is a measure of resistance of chemical bonds in a material to external indentation, the electronic bonding nature of diamond beyond several million atmospheres is key to understanding the origin of hardness. However, probing the electronic structures of diamond at such extreme pressure has not been experimentally possible. The measurements on the inelastic x-ray scattering spectra for diamond up to 2 million atmospheres provide data on the evolution of its electronic structures under compression. The mapping of the observed electronic density of states allows us to obtain a two-dimensional image of the bonding transitions of diamond undergoing deformation. The spectral change near edge onset is minor beyond a million atmospheres, while its electronic structure displays marked pressure-induced electron delocalization. Such electronic responses indicate that diamond's external rigidity is supported by its ability to reconcile internal stress, providing insights into the origins of hardness in materials.
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Affiliation(s)
- Sung Keun Lee
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
- Institute of Applied Physics, Seoul National University, Seoul, Korea
| | - Yoosoo Yi
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Yong-Hyun Kim
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Hyo-Im Kim
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Paul Chow
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439 USA
| | - Yuming Xiao
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439 USA
| | - Peter Eng
- Center for Advanced Radiation Sources, The University of Chicago, Chicago, IL 60637, USA
| | - Guoyin Shen
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, IL 60439 USA
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3
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Bommannavar A, Chow P, Ferry R, Hrubiak R, Humble F, Kenney-Benson C, Lv M, Meng Y, Park C, Popov D, Rod E, Somayazulu M, Shen G, Smith D, Smith J, Xiao Y, Velisavljevic N. Overview of HPCAT and capabilities for studying minerals and various other materials at high-pressure conditions. PHYSICS AND CHEMISTRY OF MINERALS 2022; 49:36. [PMID: 35992384 PMCID: PMC9377298 DOI: 10.1007/s00269-022-01209-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
High-Pressure Collaborative Access Team (HPCAT) is a synchrotron-based facility located at the Advanced Photon Source (APS). With four online experimental stations and various offline capabilities, HPCAT is focused on providing synchrotron x-ray capabilities for high pressure and temperature research and supporting a broad user community. Overall, the array of online/offline capabilities is described, including some of the recent developments for remote user support and the concomitant impact of the current pandemic. General overview of work done at HPCAT and with a focus on some of the minerals relevant work and supporting capabilities is also discussed. With the impending APS-Upgrade (APS-U), there is a considerable effort within HPCAT to improve and add capabilities. These are summarized briefly for each of the end-stations.
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Affiliation(s)
- Arunkumar Bommannavar
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Paul Chow
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Rich Ferry
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Rostislav Hrubiak
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Freda Humble
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Curtis Kenney-Benson
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Mingda Lv
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Yue Meng
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Changyong Park
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Dmitry Popov
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Eric Rod
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Maddury Somayazulu
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Guoyin Shen
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Dean Smith
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Jesse Smith
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Yuming Xiao
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
| | - Nenad Velisavljevic
- High Pressure Collaborative Access Team (HPCAT), X-Ray Science Division, Argonne National Laboratory, Lemont, IL 60439 USA
- Physics Division, Lawrence Livermore National Laboratory, Livermore, CA 94550 USA
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4
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Georgiou R, Sahle CJ, Sokaras D, Bernard S, Bergmann U, Rueff JP, Bertrand L. X-ray Raman Scattering: A Hard X-ray Probe of Complex Organic Systems. Chem Rev 2022; 122:12977-13005. [PMID: 35737888 DOI: 10.1021/acs.chemrev.1c00953] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This paper provides a review of the characterization of organic systems via X-ray Raman scattering (XRS) and a step-by-step guidance for its application. We present the fundamentals of XRS required to use the technique and discuss the main parameters of the experimental set-ups to optimize spectral and spatial resolution while maximizing signal-to-background ratio. We review applications that target the analysis of mixtures of organic compounds, the identification of minor spectral features, and the spatial discrimination in heterogeneous systems. We discuss the recent development of the direct tomography technique, which utilizes the XRS process as a contrast mechanism for assessing the three-dimensional spatially resolved carbon chemistry of complex organic materials. We conclude by exposing the current limitations and provide an outlook on how to overcome some of the existing challenges and advance future developments and applications of this powerful technique for complex organic systems.
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Affiliation(s)
- Rafaella Georgiou
- Université Paris-Saclay, CNRS, Ministère de la Culture, UVSQ, MNHN, IPANEMA, F-91192 Saint-Aubin, France.,Synchrotron SOLEIL, L'Orme des Merisiers, Saint Aubin BP 48, 91192, Gif-sur-Yvette, France
| | | | - Dimosthenis Sokaras
- SLAC National Accelerator Laboratory, Stanford Synchrotron Radiation Lightsource, Menlo Park, California 94025, United States
| | - Sylvain Bernard
- Muséum National d'Histoire Naturelle, Sorbonne Université, CNRS, UMR 7590, Institut de Minéralogie, Physique des Matériaux et Cosmochimie, 75005 Paris, France
| | - Uwe Bergmann
- Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Jean-Pascal Rueff
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint Aubin BP 48, 91192, Gif-sur-Yvette, France.,Laboratoire de Chimie Physique-Matière et Rayonnement, Sorbonne Université, CNRS, 75005 Paris, France
| | - Loïc Bertrand
- Photophysique et Photochimie Supramoléculaires et Macromoléculaires, Université Paris-Saclay, ENS Paris-Saclay, CNRS, 91190 Gif-sur-Yvette, France
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5
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Kim YH, Yi YS, Kim HI, Chow P, Xiao Y, Shen G, Lee SK. Pressure-Driven Changes in the Electronic Bonding Environment of GeO 2 Glass above Megabar Pressures. J Am Chem Soc 2022; 144:10025-10033. [PMID: 35616519 DOI: 10.1021/jacs.2c03542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Noncrystalline oxides under pressure undergo gradual structural modifications, highlighted by the formation of a dense noncrystalline network topology. The nature of the densified networks and their electronic structures at high pressures may account for the mechanical hardening and the anomalous changes in electromagnetic properties. Despite its importance, direct probing of the electronic structures in amorphous oxides under compression above the Mbar pressure (>100 GPa) is currently lacking. Here, we report the observation of pressure-driven changes in electronic configurations and their delocalization around oxygen in glasses using inelastic X-ray scattering spectroscopy (IXS). In particular, the first O K-edge IXS spectra for compressed GeO2 glass up to 148 GPa, the highest pressure ever reached in an experimental study of GeO2 glass, reveal that the glass densification results from a progressive increase of oxygen proximity. While the triply coordinated oxygen [3]O is dominant below ∼50 GPa, the IXS spectra resolve multiple edge features that are unique to topologically disordered [4]O upon densification above 55 GPa. Topological compaction in GeO2 glass above 100 GPa results in pronounced electronic delocalization, revealing the contribution from Ge d-orbitals to oxide densification. Strong correlations between the glass density and the electronic configurations beyond the Mbar conditions highlight the electronic origins of densification of heavy-metal-bearing oxide glasses. Current experimental breakthroughs shed light on the direct probing of the electronic density of states in high-Z oxides above 1 Mbar, offering prospects for studies on the pressure-driven changes in magnetism, superconductivity, and electronic transport properties in heavy-metal-bearing oxides under compression.
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Affiliation(s)
- Yong-Hyun Kim
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Yoo Soo Yi
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Hyo-Im Kim
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Paul Chow
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Yuming Xiao
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Guoyin Shen
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Sung Keun Lee
- School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea.,Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
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6
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Lobanov SS, Speziale S, Winkler B, Milman V, Refson K, Schifferle L. Electronic, Structural, and Mechanical Properties of SiO_{2} Glass at High Pressure Inferred from its Refractive Index. PHYSICAL REVIEW LETTERS 2022; 128:077403. [PMID: 35244414 DOI: 10.1103/physrevlett.128.077403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 11/29/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
We report the first direct measurements of the refractive index of silica glass up to 145 GPa that allowed quantifying its density, bulk modulus, Lorenz-Lorentz polarizability, and band gap. These properties show two major anomalies at ∼10 and ∼40 GPa. The anomaly at ∼10 GPa signals the onset of the increase in Si coordination, and the anomaly at ∼40 GPa corresponds to a nearly complete vanishing of fourfold Si. More generally, we show that the compressibility and density of noncrystalline solids can be accurately measured in simple optical experiments up to at least 110 GPa.
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Affiliation(s)
- Sergey S Lobanov
- Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany
- Institut für Geowissenschaften, Universität Potsdam, Karl-Liebknecht-Str. 24-25, Golm 14476, Germany
| | - Sergio Speziale
- Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany
| | - Björn Winkler
- Institut für Geowissenschaften, Goethe-Universität Frankfurt, Altenhöferallee 1, 60438 Frankfurt am Main, Germany
| | - Victor Milman
- Dassault Systèmes BIOVIA, 334 Science Park, Cambridge CB4 0WN, United Kingdom
| | - Keith Refson
- ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire OX11 0QX, United Kingdom
| | - Lukas Schifferle
- Deutsches GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany
- Institut für Geowissenschaften, Universität Potsdam, Karl-Liebknecht-Str. 24-25, Golm 14476, Germany
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7
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Lee SK, Lee AC, Kweon JJ. Probing Medium-Range Order in Oxide Glasses at High Pressure. J Phys Chem Lett 2021; 12:1330-1338. [PMID: 33502857 DOI: 10.1021/acs.jpclett.1c00055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Densification in glassy networks has traditionally been described in terms of short-range structures, such as how atoms are coordinated and how the coordination polyhedron is linked in the second coordination environment. While changes in medium-range structures beyond the second coordination shells may play an important role, experimental verification of the densification beyond short-range structures is among the remaining challenges in the physical sciences. Here, a correlation NMR experiment for prototypical borate glasses under compression up to 9 GPa offers insights into the pressure-induced evolution of proximity among cations on a medium-range scale. Whereas amorphous networks at ambient pressure may favor the formation of medium-range clusters consisting primarily of similar coordination species, such segregation between distinct coordination environments tends to decrease with increasing pressure, promoting a more homogeneous distribution of dissimilar structural units. Together with an increase in the average coordination number, densification of glass accompanies a preferential rearrangement toward a random distribution, which may increase the configurational entropy. The results highlight the direct link between the pressure-induced increase in medium-range disorder and the densification of glasses under extreme compression.
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8
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Kono Y, Shu Y, Kenney-Benson C, Wang Y, Shen G. Structural Evolution of SiO_{2} Glass with Si Coordination Number Greater than 6. PHYSICAL REVIEW LETTERS 2020; 125:205701. [PMID: 33258638 DOI: 10.1103/physrevlett.125.205701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/11/2020] [Indexed: 06/12/2023]
Abstract
Pair distribution function measurement of SiO_{2} glass up to 120 GPa reveals changes in the first-, second-, and third-neighbor distances associated with an increase in Si coordination number C_{Si} to >6 above 95 GPa. Packing fractions of Si and O determined from the first- and second-neighbor distances show marked changes accompanied with the structural evolution from C_{Si}=6 to >6. Structural constraints in terms of ionic radius ratio of Si and O, and ratio of nonbonded radius to bonded Si─O distance support the structural evolution of SiO_{2} glass with C_{Si}>6 at high pressures.
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Affiliation(s)
- Yoshio Kono
- Geophysical Laboratory, Carnegie Institution of Washington, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
- Geodynamics Research Center, Ehime University, 2-5 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Yu Shu
- High Pressure Collaborative Access Team, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - Curtis Kenney-Benson
- High Pressure Collaborative Access Team, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
| | - Yanbin Wang
- GeoSoilEnviroCARS, Center for Advanced Radiation Sources, The University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, USA
| | - Guoyin Shen
- High Pressure Collaborative Access Team, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
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Lee SK, Mun KY, Kim YH, Lhee J, Okuchi T, Lin JF. Degree of Permanent Densification in Oxide Glasses upon Extreme Compression up to 24 GPa at Room Temperature. J Phys Chem Lett 2020; 11:2917-2924. [PMID: 32223166 DOI: 10.1021/acs.jpclett.0c00709] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
During the decompression of plastically deformed glasses at room temperature, some aspects of irreversible densification may be preserved. This densification has been primarily attributed to topological changes in glass networks. The changes in short-range structures like cation coordination numbers are often assumed to be relaxed upon decompression. Here the NMR results for aluminosilicate glass upon permanent densification up to 24 GPa reveal noticeable changes in the Al coordination number under pressure conditions as low as ∼6 GPa. A drastic increase in the highly coordinated Al fraction is evident over only a relatively narrow pressure range of up to ∼12 GPa, above which the coordination change becomes negligible up to 24 GPa. In contrast, Si coordination environments do not change, highlighting preferential coordination transformation during deformation. The observed trend in the coordination environment shows a remarkable similarity to the pressure-induced changes in the residual glass density, yielding a predictive relationship between the irreversible densification and the detailed structures under extreme compression. The results open a way to access the nature of plastic deformation in complex glasses at room temperature.
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Affiliation(s)
- Sung Keun Lee
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
- Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Kwan Young Mun
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Yong-Hyun Kim
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Juho Lhee
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Takuo Okuchi
- Institute for Planetary Materials, Okayama University, Misasa 682-0193, Japan
| | - Jung-Fu Lin
- Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78712, United States
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