Electron Paramagnetic Resonance of Gd^<3+> Centers in RbCdF_3
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概要
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An EPR investigation of Gd" in RbCdF. has been made over a temperaturerange 296 -77 K. The spectra of two type centers with cubic and (100) tetrago-nal symmetry have been observed at 296 K. The temperature dependence of thetetragonal spectrum in the [1004 field direction evidently shows the presence ofthe phase transition at about 124 K. The field-direction dependence of the tet-ragonal center in the coot>plane at 77 K indicates conclusively tuat the act"ton substitutes for a Cd" site and the charge compensator along the [1 003 directionshould be its nearest neighbor Cd" vacancy. The results of the temperature andfield-direction dependence are discussed qualitatively by the change of the crystalfield caused by the phase transition.
- 社団法人日本物理学会の論文
- 1979-08-15
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