Neutron Scattering Study of Magnetic Excitations in Pseudo-One-Dimensional Singlet Ground State Ferromagnets CsFeCl_3 and RbFeCl_3
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概要
- 論文の詳細を見る
The unagtaetic excitation spectra ima pseudo-ozve-dinaensio?aal plaraar ferro-magnets CsFeCl3 and RbFeCl3 were observed using itaelastic neutron scatteringtech?aique. The observed excitation spectruun of CsFc:Cl. has a gap at the znagtaeticZOIIC cetater, while that of RbFeCl. has no gap w'ith a feature of XY system.This prominent clifferezace can be understood from the fact tbxt they are singlet-ground-state systems. As RbFeCl3 has a 3D LRO due to an exchange iz?ducedmometat, CsFeCl. shows 110 sign of the LRO withfln the teunaperature region wemeasured. Moreover, from a viewpoint of the temperature clependetnce, it isnoticeable that the excitation spectrum of RbFeCl3 SIIOWS the feature of XY systemeveux in the paramagnetic phase. The one-dimerasjotaality is evaluated to be about0.05 for CsFeCl3 atad 0.1 for RbFeCl3 showing that they have unexpectedly poorone-dimensiouaality.
- 社団法人日本物理学会の論文
- 1980-07-15
著者
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HIRAKAWA Kinshiro
Institute for Solid State Physics,University of Tokyo
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HIRAKAWA Kazuyoshi
Department of Electronics,Kyushu University
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Yoshizawa Hideki
The Institute For Solid State Physics The University Of Tokyo
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Hirakawa Kinshiro
The Institute For Solid State Physics The University Of Tokyo
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Hirakawa Kinshiro
The Institute For Solid State Physics University Of Tokyo
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KOZUKUE Wakae
The Institute for Solid State Physics,The University of Tokyo
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Kozukue Wakae
The Institute For Solid State Physics The University Of Tokyo
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Hirakawa Kinshiro
The Institute For State Physics The University Of Tokyo
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Hirakawa Kinshiro
The Institute Of Solid State Physics The University Of Tokyo
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Hirakawa Kinshiro
Instiute For Solid State Physics University Of Tokyo
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Hirakawa Kinshiro
Institure For Solid State Physics University Of Tokyo
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