Compression behavior and phase transition of β-Si3N4 under high pressure |
(color online) Pressure dependence of the normalized unit-cell volumes in β-Si3N4 measured from 0 to 37.0 GPa at room temperature. The black solid squares represent the experimental data. The red solid and blue dashed lines correspond to the fitting results generated via second- and third-order Birch–Murnaghan EOSs, respectively. |