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    • 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

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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