Neutron Scattering Study of the Charge Ordering and the Spin Ordering of the Magnetically Frustrated Spinel Antiferromagnet
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概要
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Netttron scattering tneastrreuaaents of 2111 antif'erroraaagnet spinel LilN4nzO-j xvere perf'ortned tusinga polycrystalline S21l11Pl6. A btrttap signal peaked at 1.4 A ' s'tppestrs beloxv TOO K, thotrgla tlaelitae xvidth of' the naagnetic difUrarctiora pattern retaaains brosxd evera at 8 K. Additionally, Ivlnspins f'reeze below 6OK. In Li1NzIrn3O,j, taaagnetic Torus, i.e., 1lN4n" and ]VIn"', f'orraa a network ofcorner-slaared-tetralaedra. Tlae observed unstgnetic patterta is expl?tined by the folloxving cla;trgeand the taa?tgnetic ordering. TXVO Nln" ions and txvo N4r?" ions rstndotmly distribtrte on fourcorners of each tetrahedron. The antif'erronaagnetic correlattion exists only in the arrangements oflVIn" -1N'In" and llx'ln" -IVIn" and no correlatiora in IVIn" -1N?In"' this is dtre to the f'rtrstrationof' spins betxveen the arrangeuaaents of' [VIn" -lN4n" and lNzIn"-lVIn"
- 社団法人日本物理学会の論文
- 1999-01-15
著者
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Oohara Yasuaki
Laboratoire Leon Brillouin Cea-cnrs Cea
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Oohara Yasuaki
Neutron Science Laboratory Institute For Solid State Physics University Of Tokyo
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Oohara Yasuaki
Neutron Scattering Laboratory Institute For Solid State Physics University Of Tokyo
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KONTANI Masaaki
Department of Physics,Faculty of Science,Nagoya University
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Okayama Yasushi
Institute For Solid State Physics University Of Tokyo
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Kontani M
Department Of Physics Graduate School Of Science Nagoya University
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Sugiyama J
Department Of Physics Nagoya University
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Oohara Y
Department Of Physics Saga University
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SUGIYAMA Jun
Department of Physics, Tokyo Institute of Technology
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Kontani Masaaki
Department Of Physics Faculty Of Science Nagoya University
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Sugiyama Jun
Department Of Physics Tokyo Institute Of Technology
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