<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

Phonon band structures ofβ-cristobalite crystal at different electronic temperatures: (a)T_e= 0 eV, (b)T_e= 1.0 eV, (c)T_e= 1.5 eV, (d)T_e= 2.0 eV.