High Pressure Structural Properties of Rare-earth Antimonide

Namrata Yaduvanshi, Sadhna Singh


In the present paper, we have investigated the high-pressure structural phase transition of  rare-earth antimonide. We studied theoretically the structural properties of this compound (DySb) by using the three-body potential model with the effect of electronic polarizability (TBIPEP). These compounds exhibits first order crystallographic phase transition from NaCl (B1) to CsCl (B2) phase at 22.6 GPa respectively. The phase transition pressures and associated volume collapse obtained from present potential model(TBIPEP) show a good agreement with available experimental data.

Keywords: High Pressure, Crystal Structure, Volume Collapse

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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