Neutron Scattering Study of Magnetic Excitations in Quasi-One-Dimensional Triangular Lattice Antiferromagnet C_sVCl_3
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概要
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CsVCl. is composed of one-dimensional antiferromagnetic chains which arecoupled weakly antiferromagnetically in the basal hexagonal plane. [n order toclarify the anomalous properties hitherto observed, an inelastic neutron scatteringhas been studied. We observed good one-dimensionality of J'/J=2.7><10-'.But, though S=3/2, the spin wave dispersion along 'the chain disagrees with theclassical picture. The excitation spectra along the triangular lattice plane areunusual. The excitation is dominated by a dispersionless mode of strong intensity.Compared to this mode, the conventional acoustic spin wave branch seems to beof minor excitation at lower temperatures than the N'<Set point.
- 社団法人日本物理学会の論文
- 1983-05-15
著者
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UBUKOSHI Koji
Institute for Solid State Physics,University of Tokyo
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HIRAKAWA Kinshiro
Institute for Solid State Physics,University of Tokyo
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Ubukoshi K
The Institute For Solid State Physics The University Of Tokyo
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KADOWAKI Hiroaki
Institut Laue Langevin
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Ubukoshi Koji
Institute For Solid State Physics The University Of Tokyo
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Kadowaki H
Tokyo Metroporitan Univ. Tokyo
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Kadowaki Hiroaki
The Institute For Soild State Physics The University Of Tokyo
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Kadowaki Hiroaki
Department Of Physics Tokyo Metroporitan University
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Kawanaka H
National Inst. Advanced Industrial Sci. And Technol. Ibaraki Jpn
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Hirakawa Kinshiro
Institute For Solid State Physics University Of Tokyo
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Kato Hideyuki
Department Of Physics Faculty Of Science Hokkaido University
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Hirakawa Kinshiro
Institure For Solid State Physics University Of Tokyo
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