Abstract

We have investigated the pressure induced phase transition (B1 M B2) and other related properties of semimagnetic semiconductor (SMS) Sn 1 m x Mn x Te (0 h x h 0.70), using the three-body potential (TBP) approach. The lattice energy, according to this approach, consists of the long range Coulomb as well as three-body interaction and short range (SR) van der Waals (vdW) due to dipole-dipole interactions, and overlap repulsive interactions, effective up to the next nearest neighbours. The calculated phase transition pressure shows linear decrease as a function of Mn composition ( x ).

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