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    • Keywords


      Ultrasonic velocities; elastic constants; low temperatures; galena

    • Abstract


      The elastic constants of single crystal galena have been determined from the measured ultrasonic velocities down to liquid helium temperature. A cryostat incorporating an arrangement to inject the liquid bonding material at low temperature is described. At 5 K, the values of elastic constants are C11=14.90, C12=3.51 and C44=2.92×1010 N/m2.

    • Author Affiliations


      V C Padaki1 S T Lakshmikumar1 S V Subramanyam1 E S R Gopal1

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

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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