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Pramana

, Volume 31, Issue 5, pp L445–L452 | Cite as

The structural-chemical state of57Fe in high-temperature superconductor YBa2Cu3O7−δ

  • Yu T Pavlyuhin
  • N G Hainovsky
  • Y Y Medikov
  • A I Rykov
Rapid Communications

Abstract

Mössbauer spectra using ion-57 and tin-119 nucleii in YBa2Cu3O7−δ oxides are reported, using samples prepared under different conditions of heat and gas treatment. The separation of copper charge states between different structural positions is supported by these studies.

Keywords

High temperature superconductivity Mössbauer spectra structural-chemical state copper charge separation 

PACS No.

81.30 

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Copyright information

© Indian Academy of Sciences 1988

Authors and Affiliations

  • Yu T Pavlyuhin
    • 1
  • N G Hainovsky
    • 1
  • Y Y Medikov
    • 1
  • A I Rykov
    • 1
  1. 1.Institute of Solid State ChemistrySiberian Branch of the USSR Academy of SciencesNovisibirskUSSR

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