Dielectric and Piezoelectric Properties of Na0.5Bi0.5TiO3-BaTiO3 Ceramics

Journal of Inorganic Materials

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Dielectric and Piezoelectric Properties of Na_0.5Bi_0.5TiO₃-BaTiO₃ Ceramics

ZHAO Ming-Lei¹; WANG Chun-Lei¹; AI Shu-Tao¹; LI Ming-Ming²

1. Physics department of Shandong University; Jinan 250100; China; 2. Physics Department of Jinan University; Jinan 250100, China

Received:2001-01-02 Revised:2001-03-28 Published:2002-01-20 Online:2002-01-20

Abstract

Abstract: D-E hysteresis, piezoelectric properties and temperature hysteresis phenomena of (Na_0.5Bi_0.5)TiO₃ and (Na_0.5Bi_0.5)_0.94Ba_0.06TiO₃ ceramics were investigated. Remnant polariza- tion (P_r=19uC/cm²) and coercive field (E_c =4.7kV/mm) of (Na_0.5Bi_0.5)_0.94Ba_0.06TiO₃ ceramic were obtained in the experiment. Although the substitution of Ba²⁺ for (Na_0.5Bi_0.5)²⁺ can im- prove the piezoelectric properties, it can also induce the deterioration of temperature stability.

Key words: dielectric constant, temperature hyseresis, phase transition

CLC Number:

TM282

ZHAO Ming-Lei,WANG Chun-Lei,AI Shu-Tao,LI Ming-Ming. Dielectric and Piezoelectric Properties of Na_0.5Bi_0.5TiO₃-BaTiO₃ Ceramics[J]. Journal of Inorganic Materials.

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Dielectric and Piezoelectric Properties of Na_0.5Bi_0.5TiO₃-BaTiO₃ Ceramics

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