Cu-NMR Study on Field-Induced Phase Transitions in Quantum Spin Magnet NH_4CuCl_3(Magnetization Plateaus, Field-Induced Phase Transitions and Dynamics in Quantum Spin Systems)

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概要

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• Cu-NMR study under high-field up to 17T has been performed on the three-dimensional spin dimer system NH_4CuCl_3, which shows the two-stepped magnetization plateaus. The local magnetization of Cu-site measured by NMR showed a significant deviation from the macroscopic magnetization at low temperatures, suggesting the localization of the field-induced triplons. In the high field region around 16 T, two inequivalent Cu sites are observed. Only one of the two sites shows a split in the resonance line below T_N≃3.2K, indicating the existence of the field-induced magnetic order, to which a part of spins in the system participate.

• 理論物理学刊行会の論文
• 2005-10-31

著者

• Kobayashi Norio

  Institute For Materials Research Tohoku University

• TANAKA Hidekazu

  Research Center for Low Temperature Physics, Tokyo Institute of Technology

• Watanabe K

  Institute For Materials Research Tohoku University

• Sasaki Takahiko

  Institute for Materials Research, Tohoku University

• 小島 憲道

  東大総合文化

• WATANABE Kazuo

  Institute for Materials Research, Tohoku University

• 黒田 規敬

  熊本大学大学院

• Awaji S

  Institute For Materials Research Tohoku University

• 佐藤 知矢

  Department Of Physics Faculty Of Science Shinshu University

• AWAJI Satoshi

  Institute for Materials Research, Tohoku University

• SUZUKI Takao

  Department of Applied Physics, Tohoku University

• Suzuki Takao

  Advanced Meson Science Laboratory Riken Nishina Center

• Watanabe K

  Tohoku Univ. Sendai Jpn

• Awaji Satoshi

  Tohoku Univ. Sendai Jpn

• Awaji Satoshi

  Institute For Materials Research Tohoku University

• Goto Takayuki

  Department Of Physics Sophia University

• Kuroda Noritaka

  Discovery Research Laboratories V Discovery Research Division Takeda Chemical Industries Ltd.

• WATAZAWA Keiichi

  Sumitomo Heavy Industries Ltd.

• Noto K

  Institute For Materials Research Tohoku University

• Goto Takayuki

  Department Of Physics Faculty Of Science And Technology Sophia University

• Kojima N

  Graduate School Of Arts And Sciences University Of Tokyo

• Kobayashi N

  Tohoku Univ. Sendai Jpn

• FUJIWARA Takao

  Department of Physics, Sophia University

• TANI Shinichiro

  Department of Physics, Sophia University

• INOUE Hiroaki

  Department of Physics, Sophia University

• HOSOYA Shigeharu

  Department of Physics, Sophia University

• INOKUCHI Kaori

  Department of Physics, Sophia University

• Fujiwara Takao

  Department Of Physics Sophia University

• Watanabe K

  National Institute For Fusion Science

• Watanabe Kazuo

  Institute For Materials Research Tohoku University

• Watanabe Kazuto

  Safety Assessment Department Chugai Pharmaceutical Co. Ltd.

• KOBAYASHI Norio

  The Research Institute for Iron,Steel and Other Metals,Tohoku University

• Tanaka Hidekazu

  Department Of Physics Tokyo Institute Of Technology

• Sasaki Takahiko

  Institute For Materials Research Tohoku University

• Tanaka H

  Department Of Physics Rikkyo University

• Inokuchi Kaori

  Department Of Physics Sophia University

• Kuroda N

  Nec Corp. Ibaraki Jpn

• Tanaka H

  Faculty Of Applied Biological Science Hiroshima University Research Institute Kagome Co. Ltd.

• Inoue Hiroaki

  Department Of Animal Science Obihiro University Of Agriculture And Veterinary Medicine

• Saito Takehiro

  Department Of Physics Faculty Of Science And Technology Sophia University

• Tanaka H.

  Department Of Physics Sophia University

• Hosoya Shigeharu

  Department Of Physics Sophia University

• Tani Shinichiro

  Department Of Physics Sophia University

• Fujiwara Takao

  Department Of Applied Physics Osaka City University

• WATANABE Kenji

  Engineering Mathematics, School of Engineering, Okayama University

• Kobayashi Norio

  Institute For Materials Recearch Tohoku University

• Inoue Hiroaki

  Department Of Physics Sophia University

• Watanabe Kazuo

  Institute For Materials Research Tohoku University Crest Japan Science And Technology Corporation

• Tanaka Hidekazu

  Research Center For Low Temperature Physics Tokyo Institute Of Technology

• Suzuki Takao

  Department Of Applied Physics Tohoku University

• Kobayashi Norio

  Faculty Of Engineering Iwate University

• Suzuki Takao

  Department Of Anatomical Science Hirosaki University Graduate School Of Medicine

• Goto Takayuki

  Department of Physics, Faculty of Science and Technology, Sophia University

• Watanabe Kenji

  High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University

• Suzuki Takao

  Advanced Meson Science Laboratory, RIKEN Nishina Center

• AWAJI Satoshi

  Institute for Matererials Research, Tohoku University

• Tani Shin-ichiro

  Department of Physics, Sophia University

• WATANABE Kazuo

  Institute for Matererials Research, Tohoku University

• Sasaki Takahiko

  Institute for Materials Reseach, Tohoku University, 2-1-1 Katahira-cho, Aoba-ku, Sendai 980-8577, Japan

• SUZUKI Takao

  Department of Agricultural Chemistry, Tokyo University of Agriculture

• Fujiwara Takao

  Department of Applied Chemistry, Faculty of Science, Science University of Tokyo

• 小島 憲道

  東大院総合

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