Advanced Materials, volume 34, issue 42, pages 2204038

Effect of Magnetic Impurities on Superconductivity in LaH10

Zhou Di 1
Galasso Michele 1
Ivanova Anna G. 2
Kruglov Ivan A 4, 5
Bykov Alexey A 6
Terentev Konstantin Y 7
Cherepakhin Alexander V. 7
Pervakov Kirill S 3
Seregin Alexey Yu. 2, 8
Helm Toni 9
Förster Tobias 9
Grockowiak Audrey D. 10, 11
Tozer Stanley W. 10
Nakamoto Yuki 12
SHIMIZU KATSUYA 12
Pudalov Vladimir M. 3, 13
Lyubutin Igor S. 2
11
 
Brazilian Synchrotron Light Laboratory (LNLS/Sirius) Brazilian Center for Research in Energy and Materials (CNPEM) Campinas 13083‐100 Brazil
12
 
KYOKUGEN Graduate School of Engineering Science Osaka University Machikaneyamacho 1‐3 Toyonaka Osaka 560‐8531 Japan
Publication typeJournal Article
Publication date2022-09-20
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor29.4
ISSN09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract

Polyhydrides are a novel class of superconducting materials with extremely high critical parameters, which is very promising for sensor applications. On the other hand, a complete experimental study of the best so far known superconductor, lanthanum superhydride LaH10, encounters a serious complication because of the large upper critical magnetic field HC2(0), exceeding 120–160 T. It is found that partial replacement of La atoms by magnetic Nd atoms results in significant suppression of superconductivity in LaH10: each at% of Nd causes a decrease in TC by 10–11 K, helping to control the critical parameters of this compound. Strong pulsed magnetic fields up to 68 T are used to study the Hall effect, magnetoresistance, and the magnetic phase diagram of ternary metal polyhydrides for the first time. Surprisingly, (La,Nd)H10 demonstrates completely linear HC2(T) ∝ |T – TC|, which calls into question the applicability of the Werthamer–Helfand–Hohenberg model for polyhydrides. The suppression of superconductivity in LaH10 by magnetic Nd atoms and the robustness of TC with respect to nonmagnetic impurities (e.g., Y, Al, C) under Anderson's theorem gives new experimental evidence of the isotropic (s‐wave) character of conventional electron–phonon pairing in lanthanum decahydride.

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Semenok D. V. et al. Effect of Magnetic Impurities on Superconductivity in LaH10 // Advanced Materials. 2022. Vol. 34. No. 42. p. 2204038.
GOST all authors (up to 50) Copy
Semenok D. V., Troyan I. A., Sadakov A. V., Zhou D., Galasso M., Kvashnin A. G., Ivanova A. G., Kruglov I. A., Bykov A. A., Terentev K. Y., Cherepakhin A. V., Sobolevskiy O. A., Pervakov K. S., Seregin A. Y., Helm T., Förster T., Grockowiak A. D., Tozer S. W., Nakamoto Y., SHIMIZU K., Pudalov V. M., Lyubutin I. S., Oganov A. R. Effect of Magnetic Impurities on Superconductivity in LaH10 // Advanced Materials. 2022. Vol. 34. No. 42. p. 2204038.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/adma.202204038
UR - https://doi.org/10.1002%2Fadma.202204038
TI - Effect of Magnetic Impurities on Superconductivity in LaH10
T2 - Advanced Materials
AU - Semenok, Dmitry V.
AU - Troyan, Ivan A.
AU - Sadakov, Andrey V
AU - Zhou, Di
AU - Galasso, Michele
AU - Kvashnin, Alexander G
AU - Ivanova, Anna G.
AU - Kruglov, Ivan A
AU - Bykov, Alexey A
AU - Terentev, Konstantin Y
AU - Cherepakhin, Alexander V.
AU - Sobolevskiy, Oleg A
AU - Pervakov, Kirill S
AU - Seregin, Alexey Yu.
AU - Helm, Toni
AU - Förster, Tobias
AU - Grockowiak, Audrey D.
AU - Tozer, Stanley W.
AU - Nakamoto, Yuki
AU - SHIMIZU, KATSUYA
AU - Pudalov, Vladimir M.
AU - Lyubutin, Igor S.
AU - Oganov, Artem R.
PY - 2022
DA - 2022/09/20 00:00:00
PB - Wiley
SP - 2204038
IS - 42
VL - 34
SN - 0935-9648
SN - 1521-4095
ER -
BibTex |
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BibTex Copy
@article{2022_Semenok,
author = {Dmitry V. Semenok and Ivan A. Troyan and Andrey V Sadakov and Di Zhou and Michele Galasso and Alexander G Kvashnin and Anna G. Ivanova and Ivan A Kruglov and Alexey A Bykov and Konstantin Y Terentev and Alexander V. Cherepakhin and Oleg A Sobolevskiy and Kirill S Pervakov and Alexey Yu. Seregin and Toni Helm and Tobias Förster and Audrey D. Grockowiak and Stanley W. Tozer and Yuki Nakamoto and KATSUYA SHIMIZU and Vladimir M. Pudalov and Igor S. Lyubutin and Artem R. Oganov},
title = {Effect of Magnetic Impurities on Superconductivity in LaH10},
journal = {Advanced Materials},
year = {2022},
volume = {34},
publisher = {Wiley},
month = {sep},
url = {https://doi.org/10.1002%2Fadma.202204038},
number = {42},
pages = {2204038},
doi = {10.1002/adma.202204038}
}
MLA
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MLA Copy
Semenok, Dmitry V., et al. “Effect of Magnetic Impurities on Superconductivity in LaH10.” Advanced Materials, vol. 34, no. 42, Sep. 2022, p. 2204038. https://doi.org/10.1002%2Fadma.202204038.
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