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Peak effect studies in single crystals CeRu2 and 2H-NbS2

  • Physics Of Vortex State
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Abstract

We have studied the peak effect (PE) phenomenon in single crystals of weakly pinned superconductors CeRu2 and 2H-NbS2. 2H-NbS2 is iso-structural and iso-electronic to 2H-NbSe2, whose similarity with CeRu2 as regards the PE representing the order-to-disorder transformation of the flux line lattice was claimed some time ago. We report on the step change in equilibrium magnetization across the peak effect in CeRu2. We also present the vortex phase diagram of 2H-NbS2 obtained from the magnetization data, and compare the PE phenomenon in 2H-NbS2 and 2H-NbSe2.

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Authors and Affiliations

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

    AA Tulapurkar, AK Grover, S Ramakrishnan & A Niazi

  2. School of Physical Sciences, Jamia Millia Islamia University, New Delhi, India

    A Niazi

  3. School of Physical Sciences, Jawaharlal Nehru University, 110 067, Delhi, India

    AK Rastogi

Authors
  1. AA Tulapurkar
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  2. AK Grover
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  3. S Ramakrishnan
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  4. A Niazi
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  5. AK Rastogi
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Tulapurkar, A., Grover, A., Ramakrishnan, S. et al. Peak effect studies in single crystals CeRu2 and 2H-NbS2 . Pramana - J Phys 58, 975–978 (2002). https://doi.org/10.1007/s12043-002-0203-4

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  • DOI: https://doi.org/10.1007/s12043-002-0203-4

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