<italic>Ab initio</italic>investigation of photoinduced non-thermal phase transition in<italic>β</italic>-cristobalite

Ab initioinvestigation of photoinduced non-thermal phase transition inβ-cristobalite

Feng Shi-Quan^{1, †,}, Zang Hua-Ping², Wang Yong-Qiang¹, Cheng Xin-Lu³, Yue Jin-Sheng⁴

(a) Phonon contributions to Helmholtz free energyFand (b) internal energyEofβ-cristobalite crystal at electronic temperatures from 0 to 2.0 eV.