EPR Spectra of Ni (BF_4)_26H_2O between 100 and 300 K

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概要

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• EPR spectra of Ni(BF.).6H.0 single crystal were obtained between 100 Kand 300 K. An analysis of the spectra indicated a slightly distorted crystal fieldfrom the cubic symmetry, with trigonal axis along the c-axis of the crystal. Thespin Hamiltonian parameters g77, g. and D were determined in the above rangeof temperatures. D varies linearly as 7)=0.O2l(l 4-0.0817')cm ' probably due tothe phonon modulation of the octahedron of the 6H.0 charges. The line-widthof the spectra obeys a ,4H.,=a4bT' law. The quadratic term comes from thespin-lattice relaxation by a two-phonon Raman process and the constant termrepresents spin-spin interaction contribution. No phase transition was detectedand it is likely that this. salt is more stable than some other isomorphous com-potmds where structure transformation was observed.

• 社団法人日本物理学会の論文
• 1979-01-15

著者

• Sano Walter

  Instituto De Fisica Universidade De Sao Paulo

• Isotani Sadao

  Instituto De Fisica Da Universidade De Sao Paulo

• Isotani Sadao

  Instituto De Fisica Universidade De Sao Paulo

• Ochi Jose

  Instituto De Fisica Universidade De Sao Paulo

• SANO Waltar

  Instituto de Fisica, Universidade de Sao Paulo

• SARTORELLI Jose

  Instituto de Fisica, Universidade de Sao Paulo

• Sano Waltar

  Instituto De Fisica Universidade De Sao Paulo

• Sartorelli Jose

  Instituto De Fisica Universidade De Sao Paulo

関連論文

• Phase Transition Study of Zn (BF_4)_26H_2O by EPR of Diluted Ni^ between 98 and 298K
• Hyperfine and Superhyperfine Interactions in the EPR Perpendicular Spectra of Cu^ in NH_4Br (Acidic)
• EPR of Crystals of Na_4[(Fe EDTA)_2O]12H_2O
• EPR Spectra of Ni (BF_4)_26H_2O between 100 and 300 K
• The EPR Spectra of X-Ray Irradiated Gypsum

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