Neutron Diffuse Scattering Study of the High Temperature Phase of Fe_3O_4-I,Determination of Atomic Displacements at the X Point in the Brillouin Zone
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概要
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Diffuse scattering of netrtrons fronaa a single crystal of Fe30-j was tmeztstured at 125 K. in thehigla tetnperattrre phase, in a xvide range of' the (001) and (011) plane. The scattering have beeninterpreted as dtre to the lattice distortion accoraapanied by the charge fltrcttt;rtion in the B site Feions of the spinel strtrcture. Intensities at 19 X points xvere analysed on an asstrra?ption that thedisplacen'xent of atottas are couaaposed of phonon tauodes belonging to one symnaetry representationof the space grotrp of the xx'hole spinel lattice, instead of the symtaaetry of' SOIIIC lattice points.It was concluded that the sytaataaetry of' the ;xtoraaic displacetaaerat is X3, containirag 12 b?tses.Quaratitatixre estirraate XV21S given for the contribtttion of each naode ?tnad tlne dynanaic str'trcttrreof a large polaron NV2lS detertaained. The strtrctttre is coraapletely different frona tlaose proposed sofar, on the Fe" - Fe" orderitag nuodel.
- 社団法人日本物理学会の論文
- 1998-08-15
著者
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MORII Yukio
Japan Atomic Energy Research Institute
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SIRATORI Kiiti
Faculty of Science,Osaka University
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Morii Y
Japan Atomic Energy Res. Inst. Ibaraki Jpn
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Morii Y
Jaeri Tokai
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Morii Yukio
Advanced Science Research Center Japan Atomic Energy Research Inst.
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Morii Yukio
Department Of Physics Japan Atomic Energy Research Institute
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Morii Yukio
Japan Atomic Energy Research Inst.
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Morii Yukio
Tokai Establishment Japan Atomic Energy Research Institute
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Siratori Kiiti
Faculty Of Science Kyusyu University
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ISHII Yoshinobu
Neutron Science Research Center, Japan Atomic Energy Research Institute
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Funahashi Satoru
Neutron Scattering Laboratory Japan Atomic Energy Research Institute Tokai
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MORII Yukio
Neutron Scattering Laboratory,Japan Atomic Energy Research Institute,Tokai
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TODO Sakae
Institute for Solid State Physics,University of Tokyo
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YANASE Akira
Institute of Scientific and Industrial Research,Osaka University
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Morii Yukio
Neutron Scattering Laboratory Japan Atomic Energy Research Institute Tokai
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Todo Sakae
Institute For Solid State Physics The University Of Tokyo
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Yanase Akira
Institute Of Scientific And Industrial Research Osaka University
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Morii Yukio
Neutron Scattering Laboratory Japan Atomic Energy Research Insts
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Morii Yukio
Neutron Scattering Laboratory Jaeri
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Ishii Yoshinobu
Neutron Scattering Laboratory Japan Atomic Energy Research Institute Tokai
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