Hyperfine Interactions

, Volume 63, Issue 1–4, pp 271–277 | Cite as

Muon spin relaxation study on magnetism in high quality single crystal of a high transition temperature superconductor La2−xSrxCuO4−σ (0.11≤x≤0.14)

  • E. Torikai
  • I. Tanaka
  • H. Kojima
  • H. Kitazawa
  • K. Nagamine
Superconductivity: Interplay with Magnetism Muon Probe Sites


The positive muon spin relaxation method is applied to probe magnetic ordering in the superconducting phase of a high quality single crystal of La2−xSrxCuO4−σ (0.11≤x≤0.14). The well characterized crystal ofx=0.11 (Tc=34.5 K) with nearly complete flux exclusion exhibits spin freezing at 8K(Tf) with significant spin fluctuation up to 20 K. The onset of spin fluctuation andTf decrease against increasingx towardsx=0.15, suggesting an existence of a magnetic phase boundary aroundx whereTc becomes maximum.


Magnetic Phase Relaxation Method Transition Temperature Superconductor Superconducting Phase Spin Fluctuation 
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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1990

Authors and Affiliations

  • E. Torikai
    • 1
  • I. Tanaka
    • 1
  • H. Kojima
    • 1
  • H. Kitazawa
    • 2
  • K. Nagamine
    • 3
  1. 1.Faculty of EngineeringYamanashi Univ.YamanashiJapan
  2. 2.Institute of Physical and Chemical Research (RIKEN)Wako, SaitamaJapan
  3. 3.Meson Science Laboratory, Faculty of ScienceUniv. of TokyoTokyoJapan

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