Hyperfine Interactions

, Volume 93, Issue 1, pp 1727–1731 | Cite as

Mössbauer investigation of57Fe-doped YBa2Cu4O8 and Y0.95Ca0.05Ba2Cu4O8. Influence of high pressure oxygen treatment

  • F. Ylli
  • Y. Gros
  • C. Meyer
  • F. Hartmann-Boutron
  • P. Strobel
  • M. Novak
  • J. L. Tholence
Superconductivity
  • 13 Downloads

Abstract

Comparison of RT Mössbauer spectra of samples prepared with low\(p_{O_2 } \) and high\(p_{O_2 } \) suggests incomplete oxygenation of low\(p_{O_2 } \) samples. At lowT, the magnetic hfs appears very gradually, without hf anomalies.

Keywords

Oxygen Thin Film High Pressure Pressure Oxygen Oxygen Treatment 

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Copyright information

© J.C. Baltzer AG, Science Publishers 1994

Authors and Affiliations

  • F. Ylli
    • 1
    • 2
  • Y. Gros
    • 1
  • C. Meyer
    • 1
  • F. Hartmann-Boutron
    • 1
  • P. Strobel
    • 3
  • M. Novak
    • 4
  • J. L. Tholence
    • 4
  1. 1.Laboratoire de Spectrométrie Physique, associé au CNRSUniversité Joseph-Fourier/Grenoble 1Saint-Martin d'Hères CedexFrance
  2. 2.Institute of Nuclear PhysicsTiranaAlbania
  3. 3.Laboratoire de CristallographieCNRSGrenoble CedexFrance
  4. 4.CRTBTCNRSGrenoble CedexFrance

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