• High pressure raman scattering in Pb5Ge3O11

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      https://www.ias.ac.in/article/fulltext/pram/027/05/0707-0712

    • Keywords

       

      Raman scattering; high-pressure; ferroelectric; lead germanate

    • Abstract

       

      The pressure dependence of various phonon modes has been investigated through the ferro-paraelectric phase transition. Most mode frequencies harden before levelling off above the phase transition. Mode Grüneisen parameters are estimated from the pressure dependence of phonon frequencies.

    • Author Affiliations

       

      R K Soni1 K P Jain1

      1. Laser Technology Research Programme, Indian Institute of Technology, New Delhi - 110 016, India
    • Dates

       
  • Pramana – Journal of Physics | News

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