X-ray powder diffraction structural characterization of Pb1-xBaxZr0.65Ti0.35O3 ceramic

Mir M; Mastelaro VR; Neves PP; Doriguetto AC; Garcia D; Lente MH; Eiras JA; Mascarenhas YP

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X-ray powder diffraction structural characterization of Pb1-xBaxZr0.65Ti0.35O3 ceramic

机译：Pb1-xBaxZr0.65Ti0.35O3陶瓷的X射线粉末衍射结构表征

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The structure of Pb1-xBaxZr0.65Ti0.35O3 ( PBZT) ceramic materials with 0.00 <= x <= 0.40 was studied using synchrotron X-ray powder diffraction data. According to the Rietveld refinements, the structure of PBZT ceramics with x = 0.00, 0.10 and 0.20 at room temperature was rhombohedral R3c. A phase transition from rhombohedral to cubic was observed at 543 and 463 K for x = 0.10 and 0.20, respectively. The refinement for the compositions x = 0.30 and x = 0.40 showed a cubic structure from 10 to 450 K, in good agreement with the dielectric properties of these samples.

机译：使用同步加速器X射线粉末衍射数据研究了0.00 <= x <= 0.40的Pb1-xBaxZr0.65Ti0.35O3（PBZT）陶瓷材料的结构。根据Rietveld的改进，室温下x = 0.00、0.10和0.20的PBZT陶瓷的结构为菱形R3c。对于x = 0.10和0.20，分别在543和463K处观察到从菱面体到立方相的转变。组成x ＝ 0.30和x ＝ 0.40的精炼显示出10至450K的立方结构，与这些样品的介电性能良好吻合。

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《Acta Crystallographica, Section B. Structural Science》 |2007年第5期|共6页
作者
Mir M; Mastelaro VR; Neves PP; Doriguetto AC; Garcia D; Lente MH; Eiras JA; Mascarenhas YP;
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正文语种 eng
中图分类晶体学;
关键词
(PB0.75BA0.25)(ZR0.70TI0.30)O-3 CERAMICS; RELAXOR BEHAVIOR; DIELECTRIC-PROPERTIES; NEUTRON-DIFFRACTION; FERROELECTRICS; PEROVSKITE; LANTHANUM; NIOBIUM; PHASE;

机译：（PB0.75BA0.25）（ZR0.70TI0.30）O-3陶瓷;弛豫性能;介电特性;中子衍射;铁电学;钙钛矿;镧;铌;相;

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X-ray powder diffraction structural characterization of Pb1-xBaxZr0.65Ti0.35O3 ceramic

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