Field-Induced Uniform Antiferromagnetic Order Associated with Superconductivity in Pr_<1-x>LaCe_xCuO_<4-δ>(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• 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.

• 社団法人日本物理学会の論文
• 2005-10-15

著者

• YAMADA Kazuyoshi

  Institute for Materials Research, Tohoku University

• 山田 和芳

  東北大wpi材料機構

• Saha Shanta

  Muon Science Laboratory Institute Of Materials Structure Science High Energy Accelerator Research Or

• FUJITA Masaki

  Institute for Material Research, Tohoku University

• Yamada Kotaro

  Department Of Engineering Hiroshima University

• HIGEMOTO Wataru

  Advanced Science Research Center, Japan Atomic Energy Agency

• 藤田 元基

  東北大金研

• Fujita Masaki

  Institute For Material Research Tohoku University

• Kadono Ryosuke

  Kek Ibaraki

• Kadono Ryosuke

  Institue Of Materials Structure Science Kek

• Yamada Kazuyoshi

  Nagano Chushin Agricultural Experiment Station:(present Address)nagano Vegetable And Ornamental Crop

• Higemoto W

  Advanced Science Research Center Japan Atomic Energy Agency

• KODA Akihiro

  Institute of Materials Structure Science, High Energy Accelerator Research Organization(KEK)

• Koda A

  Department Of Materials Structure Science School Of High Energy Accelerator Science The Graduate Uni

• Koda Akihiro

  Kyokugen Osaka University:graduate School Of Engineering Science Osaka University

• Koda Akihiro

  Institute Of Materials Structure Science High Energy Accelerator Research Organization (kek):departm

• OHISHI Kazuki

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)

• SAHA Shanta

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)

• Yamada K

  Kyoto Univ. Kyoto

• Yamada Kazuyoshi

  Institute For Materials Research Tohoku University

• Yamada Kazuyoshi

  Laboratory Of Nuclear Science Tohoku University

• Kadono Ryosuke

  Department Of Materials Structure Science The Graduate University For Advanced Studies

• Yamada K

  Department Of Science Kyoto University

• Yosida K

  Sci. Univ. Tokyo Noda

• Ohishi K

  Advanced Science Research Center Japan Atomic Energy Agency

• Higemoto Wataru

  Advanced Science Research Center Japan Atomic Energy Agency

• Yamada Kazuyoshi

  Institute For Chemical Research Kyoto University

• Ohishi Kazuki

  Institute Of Materials Structure Science High Energy Accelerator Research Organization

• OHISHI Kazuki

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK):(Present address)Advanced Science Research Center, Japan Atomic Energy Research Institute

• SAHA Shanta

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK):(Present address)Department of Physics and Astronomy. McMaster University

• KADONO Ryosuke

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK):Also at The Graduate University for Advanced Studies (SOKENDAI)

• KODA Akihiro

  Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)

• FUJITA Masaki

  Institute for Materials Research, Tohoku University

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