Nature Physics, volume 12, issue 9, pages 835-838

Crystal Structure of the Superconducting Phase of Sulfur Hydride

EINAGA Mari 1
Sakata Masafumi 1
Ishikawa Takahiro 1
Eremets Mikhail I 2
Drozdov Alexander P 2
Hirao Naohisa 3
Ohishi Yasuo 3
1
 
KYOKUGEN, Graduate School of Engineering Science, Osaka University, Machikaneyamacho 1-3, Toyonaka, Osaka 560-8531, Japan
2
 
Max-Planck Institut für Chemie, Hahn-Meitner-Weg 1, 55128 Mainz, Germany
3
 
JASRI/SPring-8, 1-1-1, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
Publication typeJournal Article
Publication date2016-05-09
Journal: Nature Physics
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor19.6
ISSN17452473
PubMed ID:  28553364
General Physics and Astronomy
Abstract
A superconducting critical temperature above 200 K has recently been discovered in H2S (or D2S) under high hydrostatic pressure1, 2. These measurements were interpreted in terms of a decomposition of these materials into elemental sulfur and a hydrogen-rich hydride that is responsible for the superconductivity, although direct experimental evidence for this mechanism has so far been lacking. Here we report the crystal structure of the superconducting phase of hydrogen sulfide (and deuterium sulfide) in the normal and superconducting states obtained by means of synchrotron X-ray diffraction measurements, combined with electrical resistance measurements at both room and low temperatures. We find that the superconducting phase is mostly in good agreement with theoretically predicted body-centered cubic (bcc) structure for H3S (Ref.3). The presence of elemental sulfur is also manifest in the X-ray diffraction patterns, thus proving the decomposition mechanism of H2S to H3S + S under pressure4–6.

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EINAGA M. et al. Crystal Structure of the Superconducting Phase of Sulfur Hydride // Nature Physics. 2016. Vol. 12. No. 9. pp. 835-838.
GOST all authors (up to 50) Copy
EINAGA M., Sakata M., Ishikawa T., Shimizu K., Eremets M. I., Drozdov A. P., Troyan I. A., Hirao N., Ohishi Y. Crystal Structure of the Superconducting Phase of Sulfur Hydride // Nature Physics. 2016. Vol. 12. No. 9. pp. 835-838.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/nphys3760
UR - https://doi.org/10.1038%2Fnphys3760
TI - Crystal Structure of the Superconducting Phase of Sulfur Hydride
T2 - Nature Physics
AU - EINAGA, Mari
AU - Sakata, Masafumi
AU - Ishikawa, Takahiro
AU - Shimizu, Katsuya
AU - Eremets, Mikhail I
AU - Drozdov, Alexander P
AU - Hirao, Naohisa
AU - Ohishi, Yasuo
AU - Troyan, Ivan A.
PY - 2016
DA - 2016/05/09 00:00:00
PB - Springer Nature
SP - 835-838
IS - 9
VL - 12
PMID - 28553364
SN - 1745-2473
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_EINAGA,
author = {Mari EINAGA and Masafumi Sakata and Takahiro Ishikawa and Katsuya Shimizu and Mikhail I Eremets and Alexander P Drozdov and Naohisa Hirao and Yasuo Ohishi and Ivan A. Troyan},
title = {Crystal Structure of the Superconducting Phase of Sulfur Hydride},
journal = {Nature Physics},
year = {2016},
volume = {12},
publisher = {Springer Nature},
month = {may},
url = {https://doi.org/10.1038%2Fnphys3760},
number = {9},
pages = {835--838},
doi = {10.1038/nphys3760}
}
MLA
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MLA Copy
EINAGA, Mari, et al. “Crystal Structure of the Superconducting Phase of Sulfur Hydride.” Nature Physics, vol. 12, no. 9, May. 2016, pp. 835-838. https://doi.org/10.1038%2Fnphys3760.
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