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μSR Study in La2−x Sr x Cu1−y Zn y O4 with x≃l/8

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Abstract

In order to investigate the magnetic state around hole density 1/8 in LaSr-214, μSR experiments were carried out for the samples of Zn-free La 2−x Sr x CuO 4 and Zn-doped La 2−x Sr x Cu 1−y Zn y O 4. For Zn-free samples, μ-spin rotation was observed in x=0.115 below about T r =10K, implying magnetic order, but not observed in x=0.125. On the other hand, Zn-doping brought about μ-spin rotation in x=0.125 sample below T r =7K, implying growth of magnetic order but decreased T r in x=0.115, meaning destruction of magnetic order. This indicates that Zn-doping pins dynamical spin modulation, resulting in static magnetic order in x=0.125 sample.

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Authors and Affiliations

  1. Dept. of Phys., Science Univ. of Tokyo, Noda, Chiba, 274, Japan

    J. Arai & T. Ishiguro

  2. Dept. of Phys., Science Univ. of Tokyo, Noda, Chiba, 274, Japan

    I. Watanabe & K. Nagamine

  3. RIKEN, Wako, Saitama, 351, Japan

    I. Watanabe & K. Nagamine

Authors
  1. J. Arai
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  2. T. Ishiguro
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  3. I. Watanabe
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  4. K. Nagamine
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Arai, J., Ishiguro, T., Watanabe, I. et al. μSR Study in La2−x Sr x Cu1−y Zn y O4 with x≃l/8. Journal of Low Temperature Physics 117, 377–381 (1999). https://doi.org/10.1023/A:1022573717748

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  • DOI: https://doi.org/10.1023/A:1022573717748

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