Abstract

A consistent calculation has been performed to describe the structural phase transition of NdAs using a well known three-body interaction potential model (TBIPA). Phase transition pressure is associated with a sudden collapse in the volume. The computed results on the phase transition pressure, volume collapse and pressure derivative of bulk modulus have shown a reasonably good agreement with their accurately measured data. In view of its overall success TBIPM has been regarded an adequate and appropriate model suitable for high-pressure studies.

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