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    • Keywords


      Weakly pinned R3Rh4Sn13; thermomagnetic history effects; peak effect; amorphization of flux line lattice; order-disorder transition

    • Abstract


      A comparative study of the thermomagnetic memory effects of Jc in two weakly pinned low Tc superconductors, Ca3Rh4Sn13 (CaRhSn) and Yb3Rh4Sn13 (YbRhSn), is presented. In both the systems, the peak effect (PE) phenomenon appears as an order-disorder transformation through stepwise amorphization of the flux line lattice (FLL). However, in CaRhSn. we can witness another disorder-driven transition (Bragg glass (BG) to a vortex glass (VG) in a distinct manner as in a single crystal of high Tc YBa2Cu3O7-δ for Hc.

    • Author Affiliations


      S Sarkar1 S Ramakrishnan1 AK Grover1 CV Tomy2 G Balakrishnan3 D McK Paul3

      1. Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai - 400 005, India
      2. Department of Physics, Indian Institute of Technology, Powai, Mumbai - 400 076, India
      3. Department of Physics, University of Warwick, Coventry - CV4 7AL, UK
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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