THEORETICAL STUDY OF THE STRUCTURAL AND ELASTIC PROPERTIES OF SEMICONDUCTING RARE EARTH CHALCOGENIDE SM1-XEUXS UNDER PRESSURE

Authors

  • Ritu Dubey S.S. Rajput Department of Physics ,Career college Bhopal 462026, India.

Keywords:

Abstract

We have investigated the phase transition pressure and associated volume collapse in Sm1– X EuX S alloy (0≤x≤1) which shows transition from discontinuous to continuous as x is reduced. The calculated results from present approach are in good agreement with experimental data available for the end point members (x=0 and x=1). The results for the alloy counter parts are also in fair agreement with experimental data generated from the vegard’s law. An improved interaction potential model has been developed which includes coulomb, three body interaction, polarizability effect and overlap repulsive interaction operative up to second neighbor ions. It is found that the inclusion of polarizability effect has improved our results.   

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Published

2017-06-30

Issue

Vol. 6 No. 7 (2017): June 2017 Special Issue -(D.N.Jain 5th International Conference )11-13 March 2017

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