Polymorphic phase boundaries and enhanced piezoelectric response in extended composition range in the lead free ferroelectric BaTi1-xZrxO3

被引：72
作者：
Kalyani, Ajay Kumar [1 ]
Senyshyn, Anatoliy [2 ]
Ranjan, Rajeev [1 ]
机构：
[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India
[2] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz FRM 2, D-85747 Garching, Germany
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 01期
关键词：
THIN-FILMS; CERAMICS;
D O I：
10.1063/1.4812472
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Neutron powder diffraction study of Ba(Ti1-xZrx)O-3 at close composition intervals has revealed coexistence of ferroelectric phases: orthorhombic (Amm2) + tetragonal (P4mm) for 0.02 <= x <= 0.05 and rhombohedral (R3m) + orthorhombic (Amm2) for 0.07 <= x < 0.09. These compositions exhibit relatively enhanced piezoelectric properties as compared to their single phase counterparts outside this composition region, confirming the polymorphic phase boundary nature of the phase coexistence regions. (C) 2013 AIP Publishing LLC.
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页数：6
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