The computations of the phonon dispersion curves (PDC) of four equiatomic Li-based binary alloys, namely Li0.5Na0.5, Li0.5K0.5, Li0.5Rb0.5 and Li0.5Cs0.5, to second order in the local model potential is discussed in...
Supported by the National Natural Science Foundation of China under Grant Nos 10576020 and 10776022.
The pressure induced phase transition of ZnS from the wurtzite (WZ) and the zincblende (ZB) structures to the rocksalt (RS) structure and the temperature induced phase transition from the ZB structure to the WZ ...
Supported by the National Natural Science Foundation of China under Grant Nos 10576020 and 10776022. The authors would like to thank Professor J. D. Gale for providing us the GULP code.
The phase transition and melting curves of CaF2 are investigated by using the general utility lattice programme (CULP) via the shell model with molecular dynamics method. By calculating the entropy H (at OK) and C...
Supported by the National Natural Science Foundation of China under Grant No 10576020.
A first-principles plane wave method with the ultrasoft pseudopotential scheme in the frame of the generalized gradient approximation (GGA) is performed to calculate the lattice parameters, the bulk modulus Bo and i...
Supported by the National Natural Science Foundation of China under Grant Nos 40473034, 40404007, 10574055, and 50532020, and the National Basic research Program of China under Grant No 2005CB724404.
We perform the in-situ conductivity measurement on BaF2 at high pressure using a microcircuit fabricated on a diamond anvil cell. The results show that BaF2 initially exhibits the electrical property of an insulator a...