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- Title
Superconductivity in Hydrogen-rich Material: GeH<sub>4</sub>.
- Authors
Chao Zhang; Xiao-Jia Chen; Yan-Ling Li; Struzhkin, Viktor V.; Hemley, Russell J.; Ho-Kwang Mao; Rui-Qin Zhang; Hai-Qing Lin
- Abstract
The electronic properties, lattice dynamics, and electron–phonon coupling of the Cmmm phase of GeH4 have been studied by first-principle calculations using density functional perturbation theory. The electronic band structure shows the Cmmm phase metallic nature. It is found strong electron phonon interaction, and the superconducting critical temperature, predicted by Allen–Dynes modified McMillan equation, is about 40 K at 20 GPa.
- Subjects
SUPERCONDUCTIVITY; LATTICE dynamics; CRYSTAL lattices; ELECTRIC conductivity; QUANTUM perturbations
- Publication
Journal of Superconductivity & Novel Magnetism, 2010, Vol 23, Issue 5, p717
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-010-0675-2