Advanced Materials, volume 33, issue 15, pages 2006832
Anomalous High‐Temperature Superconductivity in YH 6
Troyan I. A.
1
,
Sadakov A.V.
3
,
Pudalov V.M.
3, 4
,
Ivanova A.
1
,
Prakapenka V.
5
,
Greenberg E.
5
,
Gavriliuk A. G.
1, 6
,
LYUBUTIN I.S.
1
,
Struzhkin Viktor V.
7
,
Bergara Aitor
8, 9, 10
,
Errea Ion
8, 10, 11
,
Bianco Raffaello
8
,
Calandra Matteo
12, 13, 14
,
Mauri Francesco
13, 14
,
Monacelli Lorenzo
14, 15
,
Akashi Ryosuke
16
,
Oganov Artem R.
2, 15, 16
1
5
Center for Advanced Radiation Sources The University of Chicago 5640 South Ellis Avenue Chicago IL 60637 USA
|
9
Departamento de Física de la Materia Condensada University of the Basque Country (UPV/EHU) Basque Country Bilbao 48080 Spain
|
11
Fisika Aplikatua 1 Saila University of the Basque Country (UPV/EHU) Europa plaza 1 Donostia 20018 Spain
|
15
16
Department of Physics University of Tokyo 7‐3‐1 Hongo Bunkyo Tokyo 113‐8654 Japan
|
Publication type: Journal Article
Publication date: 2021-03-10
Journal:
Advanced Materials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 29.4
ISSN: 09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Pressure‐stabilized hydrides are a new rapidly growing class of high‐temperature superconductors, which is believed to be described within the conventional phonon‐mediated mechanism of coupling. Here, the synthesis of one of the best‐known high‐TC superconductors—yttrium hexahydride ‐YH6 is reported, which displays a superconducting transition at ≈224 K at 166 GPa. The extrapolated upper critical magnetic field Bc2(0) of YH6 is surprisingly high: 116–158 T, which is 2–2.5 times larger than the calculated value. A pronounced shift of TC in yttrium deuteride YD6 with the isotope coefficient 0.4 supports the phonon‐assisted superconductivity. Current–voltage measurements show that the critical current IC and its density JC may exceed 1.75 A and 3500 A mm−2 at 4 K, respectively, which is higher than that of the commercial superconductors, such as NbTi and YBCO. The results of superconducting density functional theory (SCDFT) and anharmonic calculations, together with anomalously high critical magnetic field, suggest notable departures of the superconducting properties from the conventional Migdal–Eliashberg and Bardeen–Cooper–Schrieffer theories, and presence of an additional mechanism of superconductivity.
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Troyan I. A. et al. Anomalous High‐Temperature Superconductivity in YH 6 // Advanced Materials. 2021. Vol. 33. No. 15. p. 2006832.
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Troyan I. A., Semenok D. V., Kvashnin A. G., Sadakov A., Sobolevskiy O. A., Pudalov V., Ivanova A., Prakapenka V., Greenberg E., Gavriliuk A. G., LYUBUTIN I., Struzhkin V. V., Bergara A., Errea I., Bianco R., Calandra M., Mauri F., Monacelli L., Akashi R., Oganov A. R. Anomalous High‐Temperature Superconductivity in YH 6 // Advanced Materials. 2021. Vol. 33. No. 15. p. 2006832.
Cite this
RIS
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TY - JOUR
DO - 10.1002/adma.202006832
UR - https://doi.org/10.1002%2Fadma.202006832
TI - Anomalous High‐Temperature Superconductivity in YH 6
T2 - Advanced Materials
AU - Akashi, Ryosuke
AU - Oganov, Artem R.
AU - Kvashnin, Alexander G.
AU - Prakapenka, V.
AU - Troyan, I. A.
AU - Semenok, Dmitry V.
AU - Sadakov, A.V.
AU - Sobolevskiy, O. A.
AU - Pudalov, V.M.
AU - Ivanova, A.
AU - Greenberg, E.
AU - Gavriliuk, A. G.
AU - LYUBUTIN, I.S.
AU - Struzhkin, Viktor V.
AU - Bergara, Aitor
AU - Errea, Ion
AU - Bianco, Raffaello
AU - Calandra, Matteo
AU - Mauri, Francesco
AU - Monacelli, Lorenzo
PY - 2021
DA - 2021/03/10 00:00:00
PB - Wiley
SP - 2006832
IS - 15
VL - 33
SN - 0935-9648
SN - 1521-4095
ER -
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@article{2021_Troyan,
author = {Ryosuke Akashi and Artem R. Oganov and Alexander G. Kvashnin and V. Prakapenka and I. A. Troyan and Dmitry V. Semenok and A.V. Sadakov and O. A. Sobolevskiy and V.M. Pudalov and A. Ivanova and E. Greenberg and A. G. Gavriliuk and I.S. LYUBUTIN and Viktor V. Struzhkin and Aitor Bergara and Ion Errea and Raffaello Bianco and Matteo Calandra and Francesco Mauri and Lorenzo Monacelli},
title = {Anomalous High‐Temperature Superconductivity in YH 6},
journal = {Advanced Materials},
year = {2021},
volume = {33},
publisher = {Wiley},
month = {mar},
url = {https://doi.org/10.1002%2Fadma.202006832},
number = {15},
pages = {2006832},
doi = {10.1002/adma.202006832}
}
Cite this
MLA
Copy
Troyan, I. A., et al. “Anomalous High‐Temperature Superconductivity in YH 6.” Advanced Materials, vol. 33, no. 15, Mar. 2021, p. 2006832. https://doi.org/10.1002%2Fadma.202006832.