NMR Study of the Successive Phase Transitions in CuB_2O_4(Spin, Orbital, Charge and Lattice Coupled Systems, Field-Induced Phase Transitions and Dynamics in Quantum Spin Systems)
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概要
- 論文の詳細を見る
Nuclear magnetic resonance (NMR) experiments on copper metaborate CuB_2O_4 are performed in order to study the successive phase transitions which includes the transition from the paramagnetic to the commensurate weak ferromagnetic phase at T_N=21K and further transition to the incommensurate helix phase at T^*〜10K. ^<11>B-NMR spectra obtained for three crystal orientations (B|| [001], [110], [100]) were split into several lines below T_N and changed into more complicated line shapes below T^*. The results of the angular dependence of the spectrum in the commensurate phase and the nuclear spin-lattice relaxation rate T^<-1>_1 are also discussed.
- 理論物理学刊行会の論文
- 2005-10-31
著者
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KIKUCHI Hikomitsu
Department of Applied Physics, University of Fukui
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FUJII Yutaka
Department of Applied Physics, University of Fukui
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CHIBA Meiro
Department of Applied Physics, University of Fukui
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Popov Mikhail
Institute Of Physics
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Bezmaternikh L.
Institute Of Physics
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NAKAMURA Hironori
Department of Applied Physics, University of Fukui
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YAMAMOTO Yoshiyuki
Physics Department, School of Materials Science, JAIST
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HORI Hidenobu
Physics Department, School of Materials Science, JAIST
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PETRAKOVSKII Guerman
Institute of Physics
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Chiba Meiro
Department Of Applied Physics University Of Fukui
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Chiba Meiro
Department Of Applied Physics Fukui University
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Fujii Yutaka
Department Of Applied Physics University Of Fukui
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Hori Hidenobu
School Of Materials Science Japan Advanced Institute Of Science And Technology (jaist)
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Kikuchi Hikomitsu
Department Of Applied Physics Fukui University
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Nakamura Hironori
Department Of Applied Physics University Of Fukui
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Yamamoto Yoshiyuki
School Of Materials Science Japan Advanced Institute Of Science And Technology (jaist)
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Fujii Yutaka
Deparment Of Bacteriology Hiroshima University School Of Medicine
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HORI Hidenobu
School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST)
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HORI Hidenobu
School of Materials Science, JAIST
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HORI Hidenobu
Department of Physical Materials Science, JAIST
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YAMAMOTO Yoshiyuki
School of Materials Science, JAIST
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