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Bulletin of Materials Science

, Volume 14, Issue 2, pp 211–216 | Cite as

Properties of Bi-Sr-Ca-Cu-O highT c superconductor

  • B Sprinivasulu Naidu
  • B Jagannadha Reddy
  • Y Prabhakara Reddy
  • P Jayarama Reddy
International Conference On Superconductivity—I
  • 24 Downloads

Abstract

The effect of sintering in air and annealing in oxygen flow at various temperatures and times on the superconducting transition of Bi2Sr2Ca1Cu2O8 ceramic was studied. Samples sintered at 1138 K for 24 h in air and slowly-cooled to room temperature are single-phase with the highest zero resistivity temperature of 88 K. XRD pattern showed that the single-phase was characteristic of tetragonal structure witha=0.5398 nm andc=3.0620 nm. Both a.c. susceptibility and resistivity measurements give similar values for the onset (100 K) of superconducting transition.

Keywords

HighTc superconductor annealing conditions solid-state reaction structure resistivity a.c. susceptibility 

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Copyright information

© Indian Academy of Sciences 1991

Authors and Affiliations

  • B Sprinivasulu Naidu
    • 1
  • B Jagannadha Reddy
    • 1
  • Y Prabhakara Reddy
    • 1
  • P Jayarama Reddy
    • 1
  1. 1.Department of PhysicsSri Venkateswara UniversityTirupatiIndia

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