Dielectric,hysteresis(P–E)loops and TSDC properties of transparent 85PZN–15BT ceramic over150–150℃ were investigated.The sample was found to exhibit a strong relaxor behavior and a relatively small remanent polar...Dielectric,hysteresis(P–E)loops and TSDC properties of transparent 85PZN–15BT ceramic over150–150℃ were investigated.The sample was found to exhibit a strong relaxor behavior and a relatively small remanent polarization.TSDC studies showed that there existed an electric field-dependent peak in the p versus T.Such interesting features were attributed to the electric field-induced transition and coexistence of polar nanoregion,long-range ordered polar region and nonpolarizable BZN-rich region.展开更多
基金supported by the National Key Project for Basic Research of China(2009CB623305)the National Nature Science Foundation of China(Nos.61137004,51107140,and 61275181)the External Cooperation Program of the Chinese Academy of Sciences(No.GJHZ1042).
文摘Dielectric,hysteresis(P–E)loops and TSDC properties of transparent 85PZN–15BT ceramic over150–150℃ were investigated.The sample was found to exhibit a strong relaxor behavior and a relatively small remanent polarization.TSDC studies showed that there existed an electric field-dependent peak in the p versus T.Such interesting features were attributed to the electric field-induced transition and coexistence of polar nanoregion,long-range ordered polar region and nonpolarizable BZN-rich region.
