Pramana

, Volume 30, Issue 5, pp L455–L457 | Cite as

Effect of Zr, Ti substitutions onT c in superconducting YBa2Cu3O7−δ system

  • N Venkataramani
  • K Muralfedharan
  • A Datta
  • S N Bhatia
  • OM Prakash
  • C M Srivastava
Rapid Communications

Abstract

Zr and Ti have been substituted in the system Y1−x M x Ba2Cu3O7−δ(M=Zr, Ti,x=0.05,0.1). We find that theT c value is unchanged, ∼90K for Zr substitutions up to 10% and in the case of Ti substitutions theT c drops significantly. These changes may arise from their site preference.

Keywords

High temperature superconductivity tetravalent substitution YBa2Cu3O7−δ 

PACS Nos

74.70 

References

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Copyright information

© Indian Academy of Sciences 1988

Authors and Affiliations

  • N Venkataramani
    • 1
    • 3
  • K Muralfedharan
    • 1
    • 3
  • A Datta
    • 1
  • S N Bhatia
    • 1
  • OM Prakash
    • 1
    • 2
  • C M Srivastava
    • 1
    • 2
    • 3
  1. 1.Department of PhysicsIndian Institute of TechnologyPowai, Bombay
  2. 2.Materials Science CentreIndian Institute of TechnologyPowai, Bombay
  3. 3.Advanced Centre for Research in ElectronicsIndian Institute of TechnologyPowai, Bombay

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