Short Range Order Effects on EPR Frequencies in Heisenberg Linear Chain Antiferromagnets

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概要

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• The temperature dependence of paramagnetic resonance frequencies in a short range ordered spin state is studied theoretically and experimentally for two typical one-dimensional Heisenberg antiferromagnets, CsMnCl_32H_2O and (CH_3)_4NMnCl_3. The present theory with the classical nearest-neighbor Heisenberg model properly predicts the shift of the resonant field from the high temperature limit for both crystals. The obeserved shift for CsMnCl_32H_2O can be explained only by the dipolar term. For (CH_3)_4NMnCl_3, however, the effect of the single-ion anisotropy, or the D-term, has to be taken into account in the explanation of the temperature variation.

• 社団法人日本物理学会の論文
• 1972-02-05

著者

• Nagata Kazukiyo

  Institute For Solid State Physics The University Of Tokyo:(present Address) Department Of Physics To

• Nagata Kazukiyo

  Institute For Solid State Physics The University Of Tokyo

• TAZUKE Yuichi

  Institute for Solid State Physics, University of Tokyo

• Tazuke Yuichi

  Institute For Solid State Physics University Of Tokyo

関連論文

• Antiferromagnetic Resonance Frequency in Quadratic Layer Antiferromagnets
• Far Infrared Absorption Spectrum of K_2NiF_4 and KNiF_3 at Low Temperature
• ESR Measurement in the Linear Chain Antiferromagnet CsMnCl_3・2H_2O above its Neel Temperature
• Short Range Order Effects on EPR Frequencies in Heisenberg Linear Chain Antiferromagnets
• Short Range Order Effect on the Magnetic Anisotropy in a Heisenberg Linear Chain Antiferromagnet CsMnCl_32H_2O
• Magnetism and Magnetic Interaction in a Complex Oxide Glass System Containing Deposited Clusters of Magnetite at the Superparamagnetic State

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