Study on FRL-FRH Phase Transition in Composite Ceramic Material

Abstract

Abstract: F_RL-F_RH phase transitional composite ceramics were prepared. The pyroelectric effect of theceramics was investigated. The output of pyroelectric current during the F_RL-F_RH phase transitionwas simulated by a computer. The results indicated that ion diffussion exists on the interfacebetween neighbour compositions. The influence of ion diffussion to the macroscopic pyroelectriceffect depends on the phase transitional property of relative compositions. The computer simulationmethod for pyroelectric current of multicomposition ceramics is an effective way to analyse the situation of ion diffussiom, and it is also helpful to design and study new functional materials.

Key words: ferroelectrics, phase transition, pyroelectric effect, composite ceramics

SUN Dazhi,LIN Shengwei,LIU Ruibin,DONG Xianlin,DUAN Ning. Study on F_RL-F_RH Phase Transition in Composite Ceramic Material[J]. Journal of Inorganic Materials.

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Study on F_RL-F_RH Phase Transition in Composite Ceramic Material

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