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Comparison of thermomagnetic history effects in weakly pinned single crystals of R 3Rh4Sn13 (R=Yb, Ca)

  • Physics Of Vortex State
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Abstract

A comparative study of the thermomagnetic memory effects of J c in two weakly pinned low T c 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 T c YBa2Cu3O7-δ for H‖c.

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Authors and Affiliations

  1. Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005, Mumbai, India

    S Sarkar, S Ramakrishnan & AK Grover

  2. Department of Physics, Indian Institute of Technology, 400 076, Powai, Mumbai, India

    CV Tomy

  3. Department of Physics, University of Warwick, CV4 7AL, Coventry, UK

    G Balakrishnan & D McK Paul

Authors
  1. S Sarkar
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  2. S Ramakrishnan
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  3. AK Grover
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  4. CV Tomy
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  5. G Balakrishnan
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  6. D McK Paul
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Sarkar, S., Ramakrishnan, S., Grover, A. et al. Comparison of thermomagnetic history effects in weakly pinned single crystals of R 3Rh4Sn13 (R=Yb, Ca). Pramana - J Phys 58, 979–983 (2002). https://doi.org/10.1007/s12043-002-0204-3

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  • DOI: https://doi.org/10.1007/s12043-002-0204-3

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