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    • Keywords


      High temperature superconductivity; Y-Ba-Cu-O; Josephson effect

    • Abstract


      Josephson effects have been observed in bulk samples of Y-Ba-Cu-O. The magnitude of the zero-voltage current is found to change systematically with externally applied small magnetic fields of a few mG. It is also found to vary when samples are irradiated with microwaves. These observations suggest the presence of inter-grain Josephson junctions.

    • Author Affiliations


      V S Tomar1 A K Gupta1 Anurag Gupta1 S K Agarwal1 B Jayaram1 A V Narlikar1

      1. National Physical Laboratory, Hillside Road, New Delhi - 110012, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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