Physical Review B, volume 104, issue 6, publication number 064510

Absence of conventional room-temperature superconductivity at high pressure in carbon-doped H3S

Wang Tianchun 1
Hirayama Motoaki 1, 2
Nomoto Takuya 1
Koretsune Takashi 3
Arita Ryotaro 1, 2
Flores-Livas José A. 2, 4
1
 
Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan
2
 
RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako 351-0198, Japan
3
 
Department of Physics, Tohoku University, 6-3 Aza-Aoba, Sendai 980-8578 Japan
Publication typeJournal Article
Publication date2021-08-25
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
In this work, we show that the same theoretical tools that successfully explain other hydrides systems under pressure seem to be at odds with the recently claimed conventional room temperature superconductivity of the carbonaceous sulfur hydride. We support our conclusions with I) the absence of a dominant low-enthalpy stoichiometry and crystal structure in the ternary phase diagram. II) Only the thermodynamics of C-doping phases appears to be marginally competing in enthalpy against H$_3$S. III) Accurate results of the transition temperature given by ab initio Migdal-Eliashberg calculations differ by more than 110 K to recently theoretical claims explaining the high-temperature superconductivity in carbonaceous-hydrogen sulfide. A novel mechanism of superconductivity or a breakdown of current theories in this system is possibly behind the disagreement.

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Wang T. et al. Absence of conventional room-temperature superconductivity at high pressure in carbon-doped H3S // Physical Review B. 2021. Vol. 104. No. 6. 064510
GOST all authors (up to 50) Copy
Wang T., Hirayama M., Nomoto T., Koretsune T., Arita R., Flores-Livas J. A. Absence of conventional room-temperature superconductivity at high pressure in carbon-doped H3S // Physical Review B. 2021. Vol. 104. No. 6. 064510
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TY - JOUR
DO - 10.1103/PhysRevB.104.064510
UR - https://doi.org/10.1103%2FPhysRevB.104.064510
TI - Absence of conventional room-temperature superconductivity at high pressure in carbon-doped H3S
T2 - Physical Review B
AU - Wang, Tianchun
AU - Hirayama, Motoaki
AU - Nomoto, Takuya
AU - Koretsune, Takashi
AU - Arita, Ryotaro
AU - Flores-Livas, José A.
PY - 2021
DA - 2021/08/25 00:00:00
PB - American Physical Society (APS)
IS - 6
VL - 104
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
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BibTex Copy
@article{2021_Wang,
author = {Tianchun Wang and Motoaki Hirayama and Takuya Nomoto and Takashi Koretsune and Ryotaro Arita and José A. Flores-Livas},
title = {Absence of conventional room-temperature superconductivity at high pressure in carbon-doped H3S},
journal = {Physical Review B},
year = {2021},
volume = {104},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103%2FPhysRevB.104.064510},
number = {6},
doi = {10.1103/PhysRevB.104.064510}
}
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