• Pseudopotential study of lattice parameter and heat of formation for substitutional alloys

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      https://www.ias.ac.in/article/fulltext/pram/015/05/0495-0499

    • Keywords

       

      Ashcroft pseudopotential; substitutional alloy; heat of formation; lattice parameter; Vegard’s law

    • Abstract

       

      Ashcroft’s empty core pseudopotential is applied to the substitutional alloy (K-CS) to calculate the heat of formation and lattice parameter over the entire concentration range. At any concentration the defect crystal is considered to be equivalent to a perfect crystal with a modified lattice parameter and the potential parameter for the defect crystal is calculated by using some suitable interpolation formula. The calculated results agree well with the available experimental results.

    • Author Affiliations

       

      S K Das1 D Roy1

      1. Solid State Physics Research Centre, Presidency College, Calcutta - 700 073, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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