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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/058/05-06/0799-0802

    • Keywords

       

      MgB2 superconductor; microwave absorption; EPR

    • Abstract

       

      Microwave absorption studies have been carried out on MgB2 superconductor using a standard X-band EPR spectrometer. The modulated low-field microwave absorption signals recorded for polycrystalline (grain size ∼ 10 µm) samples suggested the absence of weak-link character. The field dependent direct microwave absorption has been found to obey a ✓H dependence with two different slopes, which indicated a transition from strongly pinned lattice to flux flow regime.

    • Author Affiliations

       

      MK Bhide1 RM Kadam1 MD Sastry1 Ajay Singh2 Shashwati Sen2 Manmeet Kaur2 DK Aswal2 SK Gupta2 VC Sahni2

      1. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai - 400 085, India
      2. Technical Physics and Prototype Engineering Division, Bhabha Atomic Research Centre, Mumbai - 400 085, India

    • Dates

       
      Published
      6 May 2002

  • Pramana – Journal of Physics | News

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