Study of Nuclear Spin-Lattice Relaxation of ^1H and ^<35>Cl in Low-Dimensional Ising-like System ;[(CH_3)_3NH]CoCl_3・2H_2o

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概要

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• The nuclear srin-lattice relaxation in low-dimensional ferromagnetic Ising-Ii kesystem has been studied from the temperattu"e and field dependences of T. of 'Hand "Cl in the ordered state of [(C113)3NII]C0CI3=2H20 (Tu=4.135 K). Therroton relaxation is analvzed usinx the theorv for the two-maunon rrocess. Areasonable fit between exreriment and calculation is obtained at low temperaturesby adjusting the magnon gap energy. The "Cl relaxation and the deviation of the'H data from prediction of the two-magnon process are examined in terms ofa new relaxation rrocess which is associated with the scatterins of a two-mannonbound state and a spin-wave. An approximate treatment for this process givesa satisfactory explanation of the experimental results. The effect of transverseexchange anisotropy on the field dependence of T. and the importance of thepair-correlation in the "Cl relaxation are discussed.

• 社団法人日本物理学会の論文
• 1979-12-15

著者

• Goto Takao

  Physics Laboratory College Of General Education Kyoto University

• Kawai Takao

  Physics Laboratory College Of General Education Kyoto University

• HAYASHI Kensho

  Physics Laboratory,College of General Education Kyoto University

• Hayashi Kensho

  Physics Laboratory College Of General Education Kyoto University

• Goto Takao

  Physics Laborarory Colledge Fo Liberal Arts And Science Kyto Universiy

• Goto Takao

  Physics Laboratory,College of General Education Kyoto University

関連論文

• Nuclear Spin-Lattice Relaxation Associated with Two-Magnon Bound States in S=1/2 Ferromagnetic Ising-Like Linear Chain
• Proton Spin-Lattice Relaxation in a Quasi-Two-Dimensional,Ferromagnetic Heisenberh System:(CH_3NH_3)_2CuCl_4
• Proton Spin Lattice Relaxation by Ising Spin Excitation in CoCl_2 2H_2O
• Study of Nuclear Spin-Lattice Relaxation of ^1H and ^Cl in Low-Dimensional Ising-like System ;[(CH_3)_3NH]CoCl_3・2H_2o
• Proton N.M.R. of CoCl_22H_2O under High Magnetic Field

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