2008/03/18 by X. J. Chen, Chen, X. J., J. L. Wang +9
Earth and Planetary Sciences · Engineering · Physics and Astronomy · #FOS: Physical sciences #High-pressure geophysics and materials #Materials Science (cond-mat.mtrl-sci) #Phase Equilibria and Thermodynamics #Quantum, superfluid, helium dynamics #Superconductivity (cond-mat.supr-con)
paper · pdf · doi:10.48550/arxiv.0803.2713
openalex publication_date 2008/03/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The electronic and lattice dynamical properties of compressed solid SiH4 have been calculated in the pressure range up to 300 GPa with density functional theory. We find that structures having a layered network with eight-fold SiH8 coordination favor metallization and superconductivity. SiH4 in these layered structures is predicted to have superconducting transition temperatures ranging from 20 to 80 K, thus presenting new possibilities for exploring high temperature superconductivity in this hydrogen-rich system.