Energy-dispersive x-ray diffraction and Raman scattering of Zn(sub 1-x)Mn(sub x)Se bulk crystals at high pressure

Energy-dispersive x-ray diffraction studies were performed to analyze the structure of phase transitions under high pressure. It was observed that the zinc blende to rock salt phase transition pressures of Zn0.93Mn0.07Se and Zn0.76Mn0.24Se bulk crystals are 11.8 +/- 1.5 and 9.9 +/- 0.5 GPa, respectively. The respective bulk moduli are 61.8 +/- 0.8 and 60.5 +/- 0.8 GPa. The pressure-induced zinc blende to rock salt structure phase transition was seen as an indication of the semiconductor to metal transition for Zn(sub 1-x)Mn(sub x)Se.