固相分散系を用いた粉体微粒子の誘電率および導電率測定(<小特集>粉体小特集)

概要

論文の詳細を見る
Measurement of dielectric constant and conductivity have been made on various ceramic powders using a two-phase mixture system. BaTiO_3, TiO_2 and ZnO powders were examined in the present study. The dielectric constant and conductivity of two-phase mixtures, which consisted of the powders and paraffine wax chosen as a dispersion medium, were both found to be described by a logarithmic mixture rule. By extrapolation in logarithmic rule plots of the mixtures to the end members, the dielectric constants and the conductivities of the powders used here were obtained as follows : Dielectric constant (at 500kHz) ; BaTiO_3(1000-2000), TiO_2(〜100), ZnO(〜10). Conductivity (ohm^<-1> cm^<-1>); BaTiO_3(〜3x10^<-10>), TiO_2(〜1x10<-10>), ZnO(〜1xl0<-4> ).
社団法人日本材料学会の論文
1981-09-15