Field-Induced Uniform Antiferromagnetic Order Associated with Superconductivity in Pr_<1-x>LaCe_xCuO_<4-δ>

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Author(s)

Abstract

A strong correlation between field-induced antiferromagnetic (AF) order and superconductivity is demonstrated for an electron-doped cuprate superconductor, Pr_<1-x>LaCe_xCuO_<4-δ>(PLCCO). In addition to the specimen with x=0.11 (which is close to the AF phase boundary, x≃0.10), we show that the specimen with x=0.15 (T_c≃16 K at zero field) also exhibits the field-induced AF order with a reduced magnitude of the induced moment. The uniform muon Knight shift at a low magnetic field (〜10^2 Oe) indicates that the AF order is not localized within the cores of flux lines, which is in marked contrast to theoretical predictions for hole-doped cuprates. The presence of anomalous nondiagonal hyperfine coupling between muons and Pr ions is also demonstrated in detail.

Journal

  • Journal of the Physical Society of Japan

    Journal of the Physical Society of Japan 74(10), 2806-2812, 2005-10-15

    The Physical Society of Japan (JPS)

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  • Magnetic Ground State of Pr_<0.89>LaCe_<0.11>CuO_<4+α-δ> with Varied Oxygen Depletion Probed by Muon Spin Relaxation

    KADONO Ryosuke , OHISHI Kazuki , KODA Akihiro , HIGEMOTO Wataru , KOJIMA Kenji M. , KUROSHIMA Shin-ichi , FUJITA Masaki , YAMADA Kazuyoshi

    Journal of the Physical Society of Japan 72(11), 2955-2958, 2003-11-15

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Codes

  • NII Article ID (NAID)
    110002250653
  • NII NACSIS-CAT ID (NCID)
    AA00704814
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00319015
  • NDL Article ID
    7476256
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A404
  • Data Source
    CJP  NDL  NII-ELS 
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