钙钛矿BiFeO3-BaTiO3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.2007.4393287

W. Sakamoto, N. Itoh, T. Shimura, T. Yogo

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引用次数: 0

摘要

采用固相反应制备了bifeo3基陶瓷。研究了BiFeO3-BaTiO3体系中BaTiO3含量对晶体结构、磁性能和电学性能的影响。通过与BaTiO3形成固溶体来稳定钙钛矿BiFeO3。菱形变形的BiFeO3-BaTiO3表现出弱铁磁性。此外，少量锰的掺杂大大提高了合成陶瓷的介电性能。

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Preparation and Characterization of Perovskite BiFeO3-BaTiO3 Ceramics

BiFeO₃-based ceramics have been fabricated by the solid state reaction. The effect of BaTiO₃ content in BiFeO₃-BaTiO₃ system on the crystal structure, the magnetic properties and the electrical properties were investigated. Perovskite BiFeO₃ was stabilized through the formation of solid solution with BaTiO₃. Rhombohedrally distorted BiFeO₃-BaTiO₃ showed weak ferromagnetism. Furthermore, the dielectric properties of resultant ceramics was greatly improved by a small amount of Mn doping.

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2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics

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