Observation of the Pressure-Induced Weak Ferromagnetic Moment in the Layered Antiferromagnetic Compound (C_2H_5NH_3)_2CuCl_4 by Magnetic Susceptibility and Neutron Scattering Measurements : Condensed Matter: Electronic Properties, etc.
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概要
- 論文の詳細を見る
In the two-dimensional Heisenberg antiferromagnet (C_2H_5NH_3)_2 CuCl_4 , the intralayer exchange interaction is ferromagnetic, whereas the interlayer exchange interaction, which is less than 10^<-4> of the intralayer one, is antiferromagnetic, and the spins collinearly lie in each layer. To investigate the effect of pressure on its spin structure, magnetic susceptibility and neutron scattering measurements under pressures up to 2.5 GPa were performed. The magnetic susceptibility measurements revealed the appearance of a pressure-induced weak ferromagnetic moment along the c-axis around 0.6GPa. The neutron scattering measurements clarified the noncollinear spin structure which causes the weak ferromagnetic moment mentioned above. That is, the ferromagnetically coupled spins in each layer cant from the layer, which brings about the weak ferromagnetic moment along the c-axis. The ferromagnetic coupling in each layer and the antiferromagnetic coupling among the nearest-neighboring layers are maintained at least up to 2.5 GPa.
- 社団法人日本物理学会の論文
- 2001-01-15
著者
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NISHI Masakazu
Institute for Solid State Physics, University of Tokyo
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Nishi Masakazu
Neutron Scattering Laboratory Issp University Of Tokyo
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Nishii M
Institute For Solid State Physics University Of Tokyo
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Nishi M
Neutron Scattering Laboratory Issp University Of Tokyo
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Nishi Masakazu
Neutron Scattering Laboratory Institute For Solid State Physics The University Of Tokyo
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Nishi Masakazu
Univ. Tokyo Chiba Jpn
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Nishi Masakazu
Institute For Solid State Phrsics University Of Tokyo
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山田 勲
千葉大理
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山田 勲
Department Of Physics Faculty Of Science Chiba University
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Nishi Masakazu
Issp University Of Tokyo
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GOTO Tsuneaki
Institute for Solid State Physics,University of Tokyo
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MANAKA Hirotaka
Department of Physics, Faculty of Science, Chiba University
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YAMADA Isao
Department of Physics, Faculty of Science, Chiba University
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Nishi Masakazu
Neutron Scattering Laboratory Issp The University Of Tokyo
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Yamada Ichihiro
National Institute For Fusion Science
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Yamada I
Dept. Of Communications & Integrated Systems Tokyo Institute Of Technology
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Yamada I
Himeji Inst. Of Technol. Hyogo Jpn
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Yamada Isao
Department Of Communications And Integrated Systems Tokyo Institute Of Technology
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Goto Tetsuya
Plasma Research Center University Of Tsukuba
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Gotoh Takayuki
Institute For Materials Research Tohoku University
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Goto T
Nagoya Inst. Technol. Nagoya Jpn
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Goto Tsuneaki
Institute For Solid State Physics The University Of Tokyo
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Goto T
Univ. Tokyo Tokyo Jpn
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Goto T
Univ. Tokyo Chiba
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Goto Tsuneaki
Institute For Solid State Physics University
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Manaka H
Chiba Univ. Chiba
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Manaka Hirotaka
Department Of Physics Faculty Of Science Chiba University:(present Address)department Of Nano-struct
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Manaka Hirotaka
Department Of Cardiology The Heart Institute Of Japan Tokyo Women's Medical University
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Goto T
Institute For Solid State Physics The University Of Tokyo
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Goko T
Institute For Solid State Physics University Of Tokyo
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NISHI Masato
Department of Applied Physics,Faculty of Engineering,Hiroshima Univershity
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Goto Tsuneaki
The Institute Of Solid State Physics Tokyo University
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Yamada Isao
Departmen Of Communications And Integrated Systems Tokyo Institute Of Technology
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Goto T
新潟大院自然
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NISHI Masakazu
Institute for Solid State Physics, The University of Tokyo
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