Journal of Applied Physics, volume 126, issue 23, pages 235901

Predicted high-temperature superconductivity in cerium hydrides at high pressures

Li B. 1, 2
Miao Zilong 3
Ti Lei 3
Liu Shengli 1
Chen Jie 1
Shi Zhixiang 4
Gregoryanz Eugene 5, 6
Publication typeJournal Article
Publication date2019-12-18
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.2
ISSN00218979, 10897550
General Physics and Astronomy
Abstract
A systematic structure search in the Ce-H system under pressure reveals novel stable phases with intriguing electronic properties. Several cerium hydrides, CeH 4, CeH 9, and CeH 10, were found to be dynamically stable. Electron-phonon calculations coupled to Bardeen-Cooper-Schrieffer arguments indicate that they might be high- T c superconductors. In particular, the maximum T c values for F 4 ¯ 3 m-CeH 9 and F m 3 ¯ m-CeH 10 are 142 K and 168 K at 94 GPa. These findings may pave the way for achieving room temperature superconductors in dense hydrogen-rich compounds.A systematic structure search in the Ce-H system under pressure reveals novel stable phases with intriguing electronic properties. Several cerium hydrides, CeH 4, CeH 9, and CeH 10, were found to be dynamically stable. Electron-phonon calculations coupled to Bardeen-Cooper-Schrieffer arguments indicate that they might be high- T c superconductors. In particular, the maximum T c values for F 4 ¯ 3 m-CeH 9 and F m 3 ¯ m-CeH 10 are 142 K and 168 K at 94 GPa. These findings may pave the way for achieving room temperature superconductors in dense hydrogen-rich compounds.

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GOST Copy
Li B. et al. Predicted high-temperature superconductivity in cerium hydrides at high pressures // Journal of Applied Physics. 2019. Vol. 126. No. 23. p. 235901.
GOST all authors (up to 50) Copy
Li B., Miao Z., Ti L., Liu S., Chen J., Shi Z., Gregoryanz E. Predicted high-temperature superconductivity in cerium hydrides at high pressures // Journal of Applied Physics. 2019. Vol. 126. No. 23. p. 235901.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/1.5130583
UR - https://doi.org/10.1063%2F1.5130583
TI - Predicted high-temperature superconductivity in cerium hydrides at high pressures
T2 - Journal of Applied Physics
AU - Li, B.
AU - Miao, Zilong
AU - Ti, Lei
AU - Liu, Shengli
AU - Chen, Jie
AU - Shi, Zhixiang
AU - Gregoryanz, Eugene
PY - 2019
DA - 2019/12/18 00:00:00
PB - American Institute of Physics (AIP)
SP - 235901
IS - 23
VL - 126
SN - 0021-8979
SN - 1089-7550
ER -
BibTex |
Cite this
BibTex Copy
@article{2019_Li
author = {B. Li and Zilong Miao and Lei Ti and Shengli Liu and Jie Chen and Zhixiang Shi and Eugene Gregoryanz},
title = {Predicted high-temperature superconductivity in cerium hydrides at high pressures},
journal = {Journal of Applied Physics},
year = {2019},
volume = {126},
publisher = {American Institute of Physics (AIP)},
month = {dec},
url = {https://doi.org/10.1063%2F1.5130583},
number = {23},
pages = {235901},
doi = {10.1063/1.5130583}
}
MLA
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MLA Copy
Li, B., et al. “Predicted high-temperature superconductivity in cerium hydrides at high pressures.” Journal of Applied Physics, vol. 126, no. 23, Dec. 2019, p. 235901. https://doi.org/10.1063%2F1.5130583.
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