Compression behavior and phase transition of β-Si3N4 under high pressure

Compression behavior and phase transition of β-Si₃N₄ under high pressure

Gong Hong-xia¹, Kou Zi-li^{1, †}, Fan Cong¹, Liang Hao¹, Wang Qi-ming¹, Zhang Lei-lei¹, Peng Fang¹, Yang Ming¹, Ni Xiao-lin¹, Liu Jing²

(color online) Powder XRD structure refinement pattern of β-Si₃N₄ at 5.6 GPa. Red dotted line: measured pattern, black solid line: calculated curve, green short vertical lines: all possible Bragg positions, bottom line: difference curve.