Inorganic Chemistry, volume 56, issue 22, pages 13759-13765
Superconductivity of Pressure-Stabilized Vanadium Hydrides.
1
College of Physics and Electronic Information & Henan Key Laboratory of Electromagnetic Transformation and Detection, Luoyang Normal University, Luoyang 471934, China
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Publication type: Journal Article
Publication date: 2017-11-02
Journal:
Inorganic Chemistry
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.6
ISSN: 00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The study of the high-temperature superconductive property in compressed hydrogen (H)-rich hydrides has been motivated by hydrides, which become superconducting at low pressure due to chemical precompression. In the present study, we report the first-principles structure searches for stable vanadium(V) hydrides over a pressure scope 0-200 GPa, where stable unexpected stoichiometries of H-rich V hydrides (e.g., VH3, VH5, and VH8) emerge. These dense H-rich V hydrides are metallic with a strong ionic feature, and the coordination number of metal V gradually increases with H content. In particular, C2/m-VH8, which consists of infinite zigzag chains of sole H2 molecules, has the highest coordination number of 16. From our electron-phonon calculations, one can see that P63/mmm-VH5 and C2/m-VH8 are superconductors with estimated superconducting temperatures (Tc) of 18.5 and 71.4 K at 200 GPa, respectively. Our simulations not only uncovered the crystal structures of V hydrides, but also established the high-temperature superconductive nature of them.
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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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Li X., Peng F. Superconductivity of Pressure-Stabilized Vanadium Hydrides. // Inorganic Chemistry. 2017. Vol. 56. No. 22. pp. 13759-13765.
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Li X., Peng F. Superconductivity of Pressure-Stabilized Vanadium Hydrides. // Inorganic Chemistry. 2017. Vol. 56. No. 22. pp. 13759-13765.
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TY - JOUR
DO - 10.1021/acs.inorgchem.7b01686
UR - https://doi.org/10.1021%2Facs.inorgchem.7b01686
TI - Superconductivity of Pressure-Stabilized Vanadium Hydrides.
T2 - Inorganic Chemistry
AU - Li, Xiaofeng
AU - Peng, Feng
PY - 2017
DA - 2017/11/02 00:00:00
PB - American Chemical Society (ACS)
SP - 13759-13765
IS - 22
VL - 56
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2017_Li,
author = {Xiaofeng Li and Feng Peng},
title = {Superconductivity of Pressure-Stabilized Vanadium Hydrides.},
journal = {Inorganic Chemistry},
year = {2017},
volume = {56},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021%2Facs.inorgchem.7b01686},
number = {22},
pages = {13759--13765},
doi = {10.1021/acs.inorgchem.7b01686}
}
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Li, Xiaofeng, and Feng Peng. “Superconductivity of Pressure-Stabilized Vanadium Hydrides..” Inorganic Chemistry, vol. 56, no. 22, Nov. 2017, pp. 13759-13765. https://doi.org/10.1021%2Facs.inorgchem.7b01686.