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    • Keywords


      HighTc superconductors; X-ray diffraction; d.c. resistivity; a.c. susceptibility; microwave absorption

    • Abstract


      Bi2−xPbxSr2Ca2Cu3Oy superconducting samples with 0<x<0·3 have been synthesized and characterized using X-ray powder diffraction.Tc and superconducting volume fraction have been measured using a.c. magnetic susceptibility, d.c. electrical resistivity as well as X-band microwave surface resistance in the normal state. The data indicate the growth of the highTc (2223) phase with corresponding reduction of the lowTc (2122) phase with increasingx, up to 0·25. Beyond this value ofx there is a slight deterioration of the superconducting behaviour.

    • Author Affiliations


      L S Vaidhyanathan1 A M Niraimathi1 P Majumdar1 G Rangarajan1 M Muralidhar1 2 D Mangapathi Rao1 2 M Nagabhushanam1 2 V Hari Babu1 2

      1. Department of Physics, Indian Institute of Technology, Madras - 600 036, India
      2. Department of Physics, Osmania University, Hyderabad - 500 134, India
    • Dates

  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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