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Reentrant peak effect via magnetization studies in NbSe2

  • Plenary and Invited Papers
  • Superconductivity
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Czechoslovak Journal of Physics Aims and scope

Abstract

The peak effect PE is considered to signal the collapse of shear modulus of a weakly pinned flux line lattice. The observed reentrant behavior in PE curves (for H ‖c,‖a) of very clean single crystals of anisotropic super-conductor 2H-NbSe2 (Tc=7.1 K) resembles the predicted reentrant melting curve for pure Abrikosov lattice. The disappearance of PE phenomenon at low fields also appears consistent with the expected crossover to disordered state when intervortex spacing far exceeds the penetration depth.

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Authors and Affiliations

  1. Tata Institute of Fundamental Research, 400005, Bombay, India

    S. Ramakrishnan, N. G. Patil, S. S. Banerjee, Subir Saha, Gautam I. Menon & A. K. Grover

  2. Bhabha Atomic Research Centre, T.P.P.E.D., 400085, Bombay, India

    P. K. Mishra, T. V. Chandrasekhar Rao, G. Ravikumar & V. C. Sahni

  3. Centre for Superconductivity Research, University of Maryland, 20742, College Park, MD, USA

    K. Ghosh

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

    C. V. Tomy, G. Balakrishnan & D. Mck Paul

  5. NEC Research Institute, 4 Independence Way, 08540, Princeton, New Jersey, USA

    S. Bhattacharya

Authors
  1. S. Ramakrishnan
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  2. N. G. Patil
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  3. S. S. Banerjee
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  4. Subir Saha
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  5. Gautam I. Menon
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  6. A. K. Grover
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  7. P. K. Mishra
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  8. T. V. Chandrasekhar Rao
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  9. G. Ravikumar
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  10. V. C. Sahni
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  11. K. Ghosh
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  12. C. V. Tomy
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  13. G. Balakrishnan
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  14. D. Mck Paul
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  15. S. Bhattacharya
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Ramakrishnan, S., Patil, N.G., Banerjee, S.S. et al. Reentrant peak effect via magnetization studies in NbSe2 . Czech J Phys 46 (Suppl 6), 3105–3106 (1996). https://doi.org/10.1007/BF02548116

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  • DOI: https://doi.org/10.1007/BF02548116

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