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Phase transition, elastic and thermophysical study of Plutonium monochalcogenides under high pressure

MADHU SINGH1, ATUL GOUR2,* , M. FAISAL SHAREEF3, SADHNA SINGH3

Affiliation

  1. Govt. Post Graduate College, Ghanjbasoda (M.P.) India
  2. Govt. Polytechnic College Physics Department, Harda, Indore Road (M.P.) India
  3. High Pressure Research Lab, Physics Department, Barkatullah University Bhopal (M.P.) India

Abstract

A theoretical study of the high pressure behavior, elastic and various thermo-physical properties of plutonium monochalcogenides using three-body interaction potential (TBIP) model is carried out. The TBIP includes long range Coulombic, three body interaction forces and short range overlap repulsive forces operative up-to next nearest neighbor ions. A static simulation technique including three body interaction effects has been used to investigate phase transition pressures, volume collapses, elastic behavior, stability criteria and various thermo physical properties at high-pressures. The results found are well suited with available experimental data..

Keywords

Phase transition, Three body interaction and volume collapses.

Citation

MADHU SINGH, ATUL GOUR, M. FAISAL SHAREEF, SADHNA SINGH, Phase transition, elastic and thermophysical study of Plutonium monochalcogenides under high pressure, Optoelectronics and Advanced Materials - Rapid Communications, 7, 7-8, July-August 2013, pp.509-515 (2013).

Submitted at: March 1, 2012

Accepted at: July 11, 2013