Mg2+改性Ba(Zr0.05Ti0.95)O3体系相变研究

2008 17th IEEE International Symposium on the Applications of Ferroelectrics Pub Date : 2008-12-02 DOI:10.1109/ISAF.2008.4693895

C. Bender, A. Q. Nedelcos, J. S. Beltrones, Abel Fundora Cruz

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引用次数: 0

摘要

采用常规混粉工艺(x = 0.025、0.050和0.075)制备了Mg2+改性钙钛矿Ba(Zr0.05Ti0.95)O3 (BZT)型钡钛矿(Zr0.05Ti0.95)O3陶瓷。室温下的XRD研究表明，陶瓷具有相拟立方对称性。测量的介电常数和介电损耗表明材料为弛豫型，并经历了漫射型铁电相变。

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Study of phase transition in Ba(Zr0.05Ti0.95)O3 system modified by Mg2+

Perovskites types Ba(Zr0.05Ti0.95)O3 (BZT) modified by Mg2+ in order to obtain Ba1-xMgx(Zr0.05Ti0.95)O3 ceramics were prepared by conventional powder mixing procedure (with x = 0.025, 0.050 and 0.075). The XRD study at the room temperature suggests ceramics have phase pseudo cubic symmetry. The behavior of the dielectric permittivity and dielectric loss measured revels that the materials are of relaxor type and undergo a diffuse type ferroelectric phase transition.

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2008 17th IEEE International Symposium on the Applications of Ferroelectrics

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