Preparation and Electric Field Response Behavior of Barium Strontium Titanate with Different Controlled Shapes

Abstract

Abstract:

Barium strontium titanate(Ba_0.85Sr_0.15TiO₃) with star, flower and drum-shapes were prepared under controllable different pH in the chemical co-precipitation systems at a low-temperature. The samples were characterized with XRD, SEM and CA. The results show that the length of Ba_0.85Sr_0.15TiO₃ particle is in the range of 5—15 μm, and its crystal phase is cubic-perovskite structure. Three kinds of Ba_0.85Sr_0.15TiO₃ particles′ electric field response performances were studied when they were in the gelatin aqueous elastomers under DC electric field or without field. It is found that the shape of barium strontium titanate plays an important role on its electric field response capability.

Key words: Barium strontium titanate, Shape, Electric field response performance

CLC Number:

O614.2

TrendMD:

WU Xiao-Ni, GAO Ling-Xiang*, LIU Yi, GAO Zi-Wei, PEI Cuo-Ping, GAO Shu-Juan. Preparation and Electric Field Response Behavior of Barium Strontium Titanate with Different Controlled Shapes[J]. Chem. J. Chinese Universities, 2009, 30(6): 1066.

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