(Ba1-xPrx)Ti1-x/4O3陶瓷固溶度及位占据的研究

doi:10.16039/j.cnki.cn22-1249.2019.03.016

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摘要

采用固相反应法制备了(Ba_1-xPr_x)Ti_1-x/4O₃（x = 0.10-0.20）（BPT）的陶瓷。由X射线衍射（XRD）和电子顺磁共振（EPR）技术研究了BPT陶瓷的固溶度及Pr离子的位占据情况。结果表明: BPT陶瓷的固溶度为x = 0.17，且在固溶限制范围内BPT具有单相立方钙钛矿结构；Pr离子支配性地占据Ba位。

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	季虑
	路大勇

关键词: 镨掺杂钛酸钡 X射线衍射电子顺磁共振固溶度位占据

Abstract:

The solid-state reaction method was used to prepare (Ba_1-xPr_x)Ti_1-x/4O₃(x = 0.10-0.20) (BPT) ceramics. The solid solubility and site occupations of Pr ions in BPT were investigated using X-ray diffraction (XRD) and electron paramagnetic resonance (EPR) techniques. The results indicate that the solubility limit is x = 0.17, within which BPT ceramics exhibit a single-phase cubic perovskite structure. Pr ions are substituted predominantly for Ba-sites.

Key words: pr-doped BaTiO₃ X-ray diffraction electron paramagnetic resonance solid solubility site occupations

出版日期: 2019-03-25 发布日期: 2019-03-25 整期出版日期: 2019-03-25

ZTFLH:

O614.23

引用本文:

季虑, 路大勇. (Ba_1-xPr_x)Ti_1-x/4O₃陶瓷固溶度及位占据的研究 [J]. 吉林化工学院学报, 2019, 36(3): 78-81.
JI Lv, LU Dayong. Study on Solid Solubility and Site Occupations in (Ba_1-xPr_x)Ti_1-x/4O₃ Ceramics . Journal of Jilin Institute of Chemical Technology, 2019, 36(3): 78-81.

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http://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2019.03.016 或 http://xuebao.jlict.edu.cn/CN/Y2019/V36/I3/78

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