• Correlation of acoustic and thermal anomalies in ferroelectric crystals

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    • Keywords


      Pippard-Janovec relations; ultrasonic velocity; ferroelectrics; triglycine selenate

    • Abstract


      The Pippard-Janovec relations are derived for correlating the anomalous elastic coefficient and the anomalous specific heat near the phase transitions of ferroelectric crystals. These relations are verified in the case of ferroelectric triglycine selenate crystal.

    • Author Affiliations


      S K Khanna1 P S Narayanan1

      1. Department of Physics, Indian Institute of Science, Bangalore - 560 012
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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