Open Access
Superconducting high pressure phase of germane.
G. Gao
1
,
A. R. Oganov
2, 3
,
Aitor Bergara
4, 5
,
Miguel Martinez-Canales
4, 5
,
Tian Cui
1
,
Toshiaki IITAKA
6
,
Yan-Ming Ma
1, 2
,
Guangtian Zou
1
Publication type: Journal Article
Publication date: 2008-09-03
scimago Q1
wos Q1
SJR: 2.856
CiteScore: 15.6
Impact factor: 9.0
ISSN: 00319007, 10797114
PubMed ID:
18851245
General Physics and Astronomy
Abstract
High-pressure structures of germane (GeH4) are explored through ab initio evolutionary methodology to reveal a metallic monoclinic structure of C2/c (4 molecules/cell). The C2/c structure consists of layerlike motifs containing novel "H2" units. Enthalpy calculations suggest a remarkably wide decomposition (Ge+H2) pressure range of 0-196 GPa, above which C2/c structure is stable. Perturbative linear-response calculations for C2/c GeH4 at 220 GPa predict a large electron-phonon coupling parameter lambda of 1.12 and the resulting superconducting critical temperature reaches 64 K.
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Total citations:
230
Citations from 2024:
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(5%)
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Gao G. et al. Superconducting high pressure phase of germane. // Physical Review Letters. 2008. Vol. 101. No. 10. 107002
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Gao G., Oganov A. R., Bergara A., Martinez-Canales M., Cui T., IITAKA T., Ma Y., Zou G. Superconducting high pressure phase of germane. // Physical Review Letters. 2008. Vol. 101. No. 10. 107002
Cite this
RIS
Copy
TY - JOUR
DO - 10.1103/PhysRevLett.101.107002
UR - https://doi.org/10.1103/PhysRevLett.101.107002
TI - Superconducting high pressure phase of germane.
T2 - Physical Review Letters
AU - Gao, G.
AU - Oganov, A. R.
AU - Bergara, Aitor
AU - Martinez-Canales, Miguel
AU - Cui, Tian
AU - IITAKA, Toshiaki
AU - Ma, Yan-Ming
AU - Zou, Guangtian
PY - 2008
DA - 2008/09/03
PB - American Physical Society (APS)
IS - 10
VL - 101
PMID - 18851245
SN - 0031-9007
SN - 1079-7114
ER -
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BibTex (up to 50 authors)
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@article{2008_Gao,
author = {G. Gao and A. R. Oganov and Aitor Bergara and Miguel Martinez-Canales and Tian Cui and Toshiaki IITAKA and Yan-Ming Ma and Guangtian Zou},
title = {Superconducting high pressure phase of germane.},
journal = {Physical Review Letters},
year = {2008},
volume = {101},
publisher = {American Physical Society (APS)},
month = {sep},
url = {https://doi.org/10.1103/PhysRevLett.101.107002},
number = {10},
pages = {107002},
doi = {10.1103/PhysRevLett.101.107002}
}
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