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Matter and Radiation at Extremes, volume 5, issue 2, pages 28201

Superconductivity in La and Y hydrides: Remaining questions to experiment and theory

Struzhkin Viktor 1, 2
Li Bing 1
Ji Cheng 1
Greenberg E. 3
Troyan Ivan 4
Gavriliuk A. G. 4, 5
Publication typeJournal Article
Publication date2020-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.1
ISSN24682047, 2468080X
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Nuclear and High Energy Physics
Nuclear Energy and Engineering
Abstract

Recent reports of the superconductivity in hydrides of two different families (covalent lattice, as in SH3 and clathrate-type H-cages containing La and Y atoms, as in LaH10 and YH6) have revealed new families of high-Tc materials with Tc’s near room temperature values. These findings confirm earlier expectations that hydrides may have very high Tc’s due to the fact that light H atoms have very high vibrational frequencies, leading to high Tc values within the conventional Bardeen–Cooper–Schrieffer phonon mechanism of superconductivity. However, as is pointed out by Ashcroft, it is important to have the metallic hydrogen “alloyed” with the elements added to it. This concept of a metallic alloy containing a high concentration of metal-like hydrogen atoms has been instrumental in finding new high-Tc superhydrides. These new superhydride “room-temperature” superconductors are stabilized only at very high pressures above 100 GPa, making the experimental search for their superconducting properties very difficult. We will review the current experimental and theoretical results for LaH10−x and YH6−x superhydrides.

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Struzhkin V. et al. Superconductivity in La and Y hydrides: Remaining questions to experiment and theory // Matter and Radiation at Extremes. 2020. Vol. 5. No. 2. p. 28201.
GOST all authors (up to 50) Copy
Struzhkin V., Li B., Ji C., Chen X. J., Prakapenka V., Greenberg E., Troyan I., Gavriliuk A. G., MAO H. Superconductivity in La and Y hydrides: Remaining questions to experiment and theory // Matter and Radiation at Extremes. 2020. Vol. 5. No. 2. p. 28201.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1063/1.5128736
UR - https://doi.org/10.1063%2F1.5128736
TI - Superconductivity in La and Y hydrides: Remaining questions to experiment and theory
T2 - Matter and Radiation at Extremes
AU - Struzhkin, Viktor
AU - Li, Bing
AU - Ji, Cheng
AU - Chen, Xiao Jia
AU - Prakapenka, Vitali
AU - Greenberg, E.
AU - Troyan, Ivan
AU - Gavriliuk, A. G.
AU - MAO, HO-KWANG
PY - 2020
DA - 2020/03/01 00:00:00
PB - American Institute of Physics (AIP)
SP - 28201
IS - 2
VL - 5
SN - 2468-2047
SN - 2468-080X
ER -
BibTex |
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BibTex Copy
@article{2020_Struzhkin
author = {Viktor Struzhkin and Bing Li and Cheng Ji and Xiao Jia Chen and Vitali Prakapenka and E. Greenberg and Ivan Troyan and A. G. Gavriliuk and HO-KWANG MAO},
title = {Superconductivity in La and Y hydrides: Remaining questions to experiment and theory},
journal = {Matter and Radiation at Extremes},
year = {2020},
volume = {5},
publisher = {American Institute of Physics (AIP)},
month = {mar},
url = {https://doi.org/10.1063%2F1.5128736},
number = {2},
pages = {28201},
doi = {10.1063/1.5128736}
}
MLA
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Struzhkin, Viktor, et al. “Superconductivity in La and Y hydrides: Remaining questions to experiment and theory.” Matter and Radiation at Extremes, vol. 5, no. 2, Mar. 2020, p. 28201. https://doi.org/10.1063%2F1.5128736.
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