(1-x) BiInO3-xPbTiO3陶瓷的制备与表征

2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics Pub Date : 2007-05-27 DOI:10.1109/ISAF.2007.4393347

Baoquan Qin, Yi Chen, Yihang Jiang, Yuzhi Jiang, Xi Yue, D. Xiao, Jianguo Zhu

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引用次数: 1

摘要

采用常规氧化法制备了具有高居里温度的新型钙钛矿(1-x)BiInO3-xPbTiO3 (BIPT)陶瓷。实验结果表明，除非PbTiO3含量大于75%，否则很难合成具有稳定钙钛矿相的BIPT陶瓷。在x=0.85 ~ 0.95范围内预测了BIPT的形态取向相界(MPB)组成。该体系具有较大的四方性(c/a>1.06)和较高的电导率，不易极化。还可以观察到BIPT陶瓷表现出明显的晶间断裂。

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Preparation and Characterization of (1-x) BiInO3-xPbTiO3 ceramics

Novel perovskite (1-x)BiInO3-xPbTiO3 (BIPT) ceramics with high Curie temperature were prepared by conventional oxide process. The experiment results show that it was difficult to synthesize BIPT ceramics with the stable perovskite phase unless the content of PbTiO3 is more than 75%. Moreover, the morphotropic phase boundary (MPB) composition of BIPT has been predicted in the range of x=0.85-0.95. This systems were hardly to poled based on the large tetragonality(c/a>1.06) and high electrical conductivity. It can be also observed that the BIPT ceramics exhibit a clear intergranular fracture.

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2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics

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