Neutron Scattering Studies of Pyrochlore Compound Nd_2Mo_2O_7 in Magnetic Field
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概要
- 論文の詳細を見る
Neutron diffraction studies have been carried out in the applied magnetic field H(||[0l1]) on a single crystal of pyrochlore ferromagnet Nd_2Mo_2O_7, whose Hall resistivity (p_H) has been reported to have quite unusual magnetic field (H)- and temperature (T)-dependences. The intensities of the observed magnetic reflections have been reproduced at 1.6 K as a function of H, by considering the change of the magnetic structure with H, where effects of the exchange fields at the Mo and Nd sites induced by the Mo-Mo and Mo-Nd exchange interactions and the single ion anisotropies of Mo- and Nd-moments are considered. From the H-dependent magnetic structure, the H-dependence of p_H has been calculated by using the chiral order mechanism. By comparing the result with the H-dependence of the observed p_H, it is found that the chiral order mechanism does not work well in the present system.
- 社団法人日本物理学会の論文
- 2003-04-15
著者
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KAKURAI Kazuhisa
Advanced Science Research Center, Japan Atomic Energy Research Institute (JAERI)
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HARASHINA Hiroshi
Department of Physics,Division of Material Science,Nagoya University
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SATO Masatoshi
Department of Physics,Division of Material Science,Nagoya University
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原科 浩
教養部物理学教室
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ITO Masafumi
Department of Pathology, Japanese Red Cross Nagoya Daiichi Hospital
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Ito Masafumi
Department Of Physics Division Of Material Science Nagoya University
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University
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YASUI Yukio
Department of Physics, Division of Material Science, Nagoya University
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IIKUBO Satoshi
Department of Physics, Division of Material Science, Nagoya University
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KAGEYAMA Taketomo
Department of Physics, Division of Material Science, Nagoya University
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Kakurai Kazuhisa
Advanced Science Research Center Japan Atomic Energy Research Institute
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IIKUBO Satoshi
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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Kageyama Taketomo
Department Of Physics Nagoya University
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Iikubo S
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Iikubo Satoshi
Department Of Physics Division Of Material Science Nagoya University
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YOSHIDA Yukihiro
Research Institute, Meijo University
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Ito Masafumi
Department Of Electrical And Electronic Engineering Faculty Of Science And Technology Meijo Universi
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Sato Masatoshi
Department Of Electrical And Electronics Engineering Sophia University
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Yoshida Yukihiro
Research Institute Meijo University
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Sato Masatoshi
Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine
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Yasui Yukio
Department Of Physics Division Of Material Science Nagoya University
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Kakuta Kazuyuki
Department Of Physics Aoyama-gakuin University
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Ito Masafumi
Department of Physics, Division of Material Science, Nagoya University
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