Variation of Dielectric Constant Affected by Domain Structure and Electric-Field-Induced Strain in Ferroelectric Ceramics (<Special Issue> FERROELECTRIC MATERIALS AND THEIR APPLICATIONS)
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概要
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The dc electric bias and frequency dependence of the dielectric constants for lead zirconate titanate (PZT) ceramics with ferroelectric phase were measured at room temperature for several frequencies from 1 kHz to 1 MHz. The variation of dielectric constants versus biasing field and frequency was explained by introducing 180° and 90° domains. The actual strain measurement of ceramics was performed by a potentiometer. Assuming that the strain was caused by piezostriction and electrostriction, the piezostriction and electrostriction coefficients were determined by the least squares method, and the spontaneous strain induced by an internal electric field was discussed.
- 社団法人応用物理学会の論文
- 1994-09-30
著者
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Masuda Yoichiro
Department Of Electrical And Electronics Engineering Graduate School Hachinohe Institute Of Technolo
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Masuda Yoichiro
Department Of Electrical Engineering Faculty Of Engineering Hachinohe Institute Of Technology
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Masuda Yoichiro
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University
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