Numerical Estimation of the Dependence of Dielectric Constant of BaTiO_3. Thick Films on Grain-Size Distribution
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概要
- 論文の詳細を見る
An exponential function of the grain size was assumed in calculating the apparent (total) dielectric constant of BaTiO_3 thick films with the average grain diameter known. The function was tested and estimated experimentally, for cases where the grain sizes were calculated using the following methods; the two-dimensional diameter analysis, the Schwartz-Saltykov method and Oel's method for converting a two-dimensional grain distribution to a spacial grain sizedistribution. Using the present assumed function and the extended logarithmic mixing rule to combine the dielectric constants of individual grains, the grain-size distribution-dependence of the dielectric constant was successfully simulated. From the simulated results it was concluded that the dielectric constants of coarse grains of thick films increase with increase of grain size in the range from room temperature up to 135℃.
- 社団法人応用物理学会の論文
- 1981-10-05
著者
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Yanagida H
Univ. Tokyo Tokyo
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Yanagida Hiroaki
Department Of Industrial Chemistry Faculty Of Engineering The University Of Tokyo
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Yamashita Kimihiro
Department Of Developmental Genetics (h2) Graduate School Of Medicine Chiba University
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Koumoto Kunihito
Department Of Industrial Chemistry Faculty Of Engineering The University Of Tokyo
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Koumoto Kunihito
Department Of Applied Chemistry Graduate School Of Engineering Nagoya University
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Yanagida Hiroaki
Department Of Applied Prosthodontics Nagasaki University Graduate School Of Biomedical Sciences
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YAMAZAKI Shozo
Department of Industrial Chemistry, Chiba Institute of Technology
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Yanagida Hiroaki
Department Of Applied Chemistry Faculty Of Engineering University Of Tokyo
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Yamazaki Shozo
Department Of Industrial Chemistry Chiba Institute Of Technology
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KOUMOTO Kunihito
Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo
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YANAGIDA Hiroaki
Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo
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