酸化亜鉛粉末の摩砕効果とESRスペクトル

概要

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The lattice distortion and crystallite dimension of ground ZnO powder by a ball mill and vibrating mill have been studied by X-ray diffraction and electron spin resonance methods. The following results have been obtained. (1) The intensity of the absorption line of g=1.96 decreases with decreasing crystallite dimension. This absorption is probably due to the surface defects. (2) The line of g=2.006 is the overlapping of absorptions due to the surface and internal defects related to oxygen. These two absorptions have nearly equal g value bit different line shapes. The intensity of the line increases with increasing lattice distortion. (3) The intensity of the line of g=2.013 increases with increasing grinding time and this absorption is due to the internal defects.
社団法人日本材料学会の論文
1975-07-15