Dielectric Measurement of BaTiO3 Powder and Its Statistical Analysis

Abstract:

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Dielectric permittivity of BaTiO3 powders was determined by measuring permittivity of slurries prepared from BaTiO3 powder and propylene carbonate as dispersion medium followed by analyzing with a finite element methods (FEM). The permittivity of powders depended on their characters such as tetragonality (c/a ratio), density, particle size and specific surface area. In order to extract the effect of each character, a statistical analysis was carried out to represent the permittivity of powders with an empirical equation where the c/a ratio, density and particle size were used as parameters. A fairly good agreement between observed data and those estimated from the relation was obtained and the contribution of each character to the permittivity could be determined.

Info:

Periodical:

Edited by:

Masaru Miyayama, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki

Pages:

251-256

DOI:

10.4028/www.scientific.net/KEM.301.251

Citation:

T. Sekine et al., "Dielectric Measurement of BaTiO3 Powder and Its Statistical Analysis", Key Engineering Materials, Vol. 301, pp. 251-256, 2006

Online since:

January 2006

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$35.00

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