• M N Sharma

      Articles written in Pramana – Journal of Physics

    • Interatomic forces, Grüneisen and Anderson-Grüneisen parameters of ionic crystals

      D D Shukla C L Gupta M N Sharma

      More Details Abstract Fulltext PDF

      The general expression for the Anderson-Grüneisen parameterδ recently derived by Gupta and others, has been used to study the variation ofδ with the Grüneisen parameterγ employing the interaction approach. For this purpose four potential energy functions have been selected. It is found thatδ values evaluated by the modified Varshni-Shukla potential are better than other forms of overlap repulsive interaction. The variation ofδ withγ is also studied by plotting curves betweenδ andγ. The method of least-squares has been employed to yield the best fitted equation.

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