Magnetic Ground State of Pr0.89LaCe0.11CuO4+α-δ with Varied Oxygen Depletion Probed by Muon Spin Relaxation

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  • Kadono Ryosuke
    Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
  • Ohishi Kazuki
    Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
  • Koda Akihiro
    Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
  • Higemoto Wataru
    Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
  • Kojima Kenji M.
    Graduate School of Frontier Sciences, University of Tokyo
  • Kuroshima Shin-ichi
    Institute for Chemical Research, Kyoto University
  • Fujita Masaki
    Institute for Chemical Research, Kyoto University
  • Yamada Kazuyoshi
    Institute for Chemical Research, Kyoto University

書誌事項

タイトル別名
  • Magnetic Ground State of Pr0.89LaCe0.11CuO4+.ALPHA.-.DELTA. with Varied Oxygen Depletion Probed by Muon Spin Relaxation
  • Magnetic Ground State of Pr0 89LaCe0 11CuO4 アルファ デルタ with Varied Oxygen Depletion Probed by Muon Spin Relaxation
  • Magnetic Ground State of Pr<sub>0.89</sub>LaCe<sub>0.11</sub>CuO<sub>4+α-δ</sub>with Varied Oxygen Depletion Probed by Muon Spin Relaxation

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The magnetic ground state of an electron-doped cuprate superconductor, Pr1−xLaCexCuO4+α−δ (x=0.11, α\\simeq0.04), has been studied by means of muon spin rotation/relaxation (μSR) over a wide variety of oxygen depletion, 0.03≤δ≤0.12. The appearance of a weak random magnetism over the entire crystal volume has been revealed by a slow exponential relaxation. The absence of δ-dependence for random magnetism and a multiplet pattern of the muon Knight shift at higher fields strongly suggest that the random moments are associated with excited Pr3+ ions under a crystal electric field.

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