Advanced Materials, том 33, издание 15, номер публикации: 2006832

Anomalous High‐Temperature Superconductivity in YH 6

Sobolevskiy Oleg A. 3
Pudalov Vladimir M. 3, 4
Ivanova Anna G. 1
Greenberg Eran 5
Gavriliuk Alexander G. 1, 6
Lyubutin Igor 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
 
Shubnikov Institute of Crystallography Federal Scientific Research Center Crystallography and Photonics Russian Academy of Sciences 59 Leninskii Prospect Moscow 119333 Russia
5
 
Center for Advanced Radiation Sources The University of Chicago 5640 South Ellis Avenue Chicago IL 60637 USA
6
 
Institute for Nuclear Research Russian Academy of Sciences Fizicheskaya str. 27, Troitsk Moscow 108840 Russia
7
 
Center for High Pressure Science and Technology Advanced Research Shanghai 201203 China
8
 
Centro de Física de Materiales CFM CSIC‐UPV/EHU Paseo Manuel de Lardizabal 5, Basque Country Donostia 20018 Spain
9
 
Departamento de Física de la Materia Condensada University of the Basque Country (UPV/EHU) Basque Country Bilbao 48080 Spain
10
 
Donostia International Physics Center (DIPC) Manuel Lardizabal pasealekua 4, Basque Country Donostia 20018 Spain
11
 
Fisika Aplikatua 1 Saila University of the Basque Country (UPV/EHU) Europa plaza 1 Donostia 20018 Spain
12
 
Departimento di Fisica Università di Trento Via Sommarive 14 Povo 38123 Italy
13
 
Sorbonne Université CNRS Institut des Nanosciences de Paris UMR7588 Paris F‐75252 France
14
 
Graphene Labs Fondazione Istituto Italiano di Tecnologia Via Morego Genova I‐16163 Italy
15
 
Dipartimento di Fisica Università di Roma Sapienza Piazzale Aldo Moro 5 Roma I‐00185 Italy
16
 
Department of Physics University of Tokyo 7‐3‐1 Hongo Bunkyo Tokyo 113‐8654 Japan
Тип документаJournal Article
Дата публикации2021-03-10
ИздательWiley
Название журналаAdvanced Materials
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ1
Импакт-фактор 202132.09
ISSN09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Краткое описание
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 I m 3 ¯ m -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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1. Troyan I.A. и др. Anomalous High‐Temperature Superconductivity in YH 6 // Advanced Materials. 2021. Т. 33. № 15. С. 2006832.
RIS |
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TY - JOUR

DO - 10.1002/adma.202006832

UR - http://dx.doi.org/10.1002/adma.202006832

TI - Anomalous High‐Temperature Superconductivity in YH

6

T2 - Advanced Materials

AU - Troyan, Ivan A.

AU - Semenok, Dmitrii V.

AU - Kvashnin, Alexander G.

AU - Sadakov, Andrey V.

AU - Sobolevskiy, Oleg A.

AU - Pudalov, Vladimir M.

AU - Ivanova, Anna G.

AU - Prakapenka, Vitali B.

AU - Greenberg, Eran

AU - Gavriliuk, Alexander G.

AU - Lyubutin, Igor S.

AU - Struzhkin, Viktor V.

AU - Bergara, Aitor

AU - Errea, Ion

AU - Bianco, Raffaello

AU - Calandra, Matteo

AU - Mauri, Francesco

AU - Monacelli, Lorenzo

AU - Akashi, Ryosuke

AU - Oganov, Artem R.

PY - 2021

DA - 2021/03/10

PB - Wiley

SP - 2006832

IS - 15

VL - 33

SN - 0935-9648

SN - 1521-4095

ER -

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@article{Troyan_2021,

doi = {10.1002/adma.202006832},

url = {https://doi.org/10.1002%2Fadma.202006832},

year = 2021,

month = {mar},

publisher = {Wiley},

volume = {33},

number = {15},

pages = {2006832},

author = {Ivan A. Troyan and Dmitrii V. Semenok and Alexander G. Kvashnin and Andrey V. Sadakov and Oleg A. Sobolevskiy and Vladimir M. Pudalov and Anna G. Ivanova and Vitali B. Prakapenka and Eran Greenberg and Alexander G. Gavriliuk and Igor S. Lyubutin and Viktor V. Struzhkin and Aitor Bergara and Ion Errea and Raffaello Bianco and Matteo Calandra and Francesco Mauri and Lorenzo Monacelli and Ryosuke Akashi and Artem R. Oganov},

title = {Anomalous High-Temperature Superconductivity in {YH}

6},

journal = {Advanced Materials}

}

MLA
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Troyan, Ivan A. et al. “Anomalous High‐Temperature Superconductivity in YH 6.” Advanced Materials 33.15 (2021): 2006832. Crossref. Web.