• X-ray determination of the mean Debye-Waller factors and Debye temperatures of KCl-RbCl mixed crystals

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      https://www.ias.ac.in/article/fulltext/pram/031/03/0221-0224

    • Keywords

       

      Alkali halides; mixed crystals; Debye-Waller factors; Debye temperature; Gruneisen constant

    • Abstract

       

      Integrated intensities of Bragg reflections have been measured for KCl-RbCl mixed crystals with various compositions and the data used to evaluate the mean Debye-Waller factors and the Debye temperatures. The composition dependence of the Debye-Waller factor is highly nonlinear with positive deviations from linearity while that of the Debye temperature is slightly nonlinear with negative deviations from linearity. Using an empirical relationship between the Debye temperature and the molar volume, the average values of the Gruneisen parameter for some mixed crystal systems are obtained.

    • Author Affiliations

       

      K Srinivas1 D B Sirdeshmukh1

      1. Physics Department, Kakatiya University, Warangal - 506 009, India
    • Dates

       
  • Pramana – Journal of Physics | News

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