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The influence of phase transition on electrocaloric effect in lead-free (Ba0.9Ca0.1)(Ti1−xZrx)O3ceramics
Nie, Xin1,2; Yan, Shiguang1; Guo, Shaobo1; Cao, Fei1; Yao, Chunhua1; Mao, Chaoliang1; Dong, Xianlin1; Wang, Genshui1
2017
发表期刊Journal of the American Ceramic Society
ISSN00027820
卷号100期号:11页码:5202-5210
摘要In this paper, the influence of phase evolution on polarization change and electrocaloric response in lead-free (Ba0.9Ca0.1)(Ti1−xZrx)O3ceramics (BCTZ) was systematically investigated. With increasing Zr/Ti ratio, the phase structure and phase transition behavior were greatly changed, resulting in various temperature and electric field dependence of electrocaloric responses. For x=0.05, a peak electrocaloric temperature change 1.64 K (at 130°C) and corresponding entropy change 1.78 J·kg−1·K−1were obtained for 0-7 kV·mm−1electric field. Negative electrocaloric temperature change in −0.1 K was obtained below Curie temperature (Tc), which may be induced by the orthorhombic-tetragonal ferroelectric phase transition. With the increase in x, the peak value of the electrocaloric response decreased but much better temperature stability was observed. Simultaneously the negative electrocaloric response gradually disappeared with the disappearance of the low temperature ferroelectric-ferroelectric phase transition. For x=0.2, electrocaloric response showed good temperature stability ranging from room temperature to 130°C, attributing to the relaxor ferroelectric feature. © 2017 The American Ceramic Society
DOI10.1111/jace.15040
EI入藏号20172803938703
EI主题词Ferroelectric ceramics
EI分类号641.1 Thermodynamics - 701.1 Electricity: Basic Concepts and Phenomena - 708.1 Dielectric Materials - 801.4 Physical Chemistry - 812.1 Ceramics - 933 Solid State Physics
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25870
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Nie, Xin,Yan, Shiguang,Guo, Shaobo,et al. The influence of phase transition on electrocaloric effect in lead-free (Ba0.9Ca0.1)(Ti1−xZrx)O3ceramics[J]. Journal of the American Ceramic Society,2017,100(11):5202-5210.
APA Nie, Xin.,Yan, Shiguang.,Guo, Shaobo.,Cao, Fei.,Yao, Chunhua.,...&Wang, Genshui.(2017).The influence of phase transition on electrocaloric effect in lead-free (Ba0.9Ca0.1)(Ti1−xZrx)O3ceramics.Journal of the American Ceramic Society,100(11),5202-5210.
MLA Nie, Xin,et al."The influence of phase transition on electrocaloric effect in lead-free (Ba0.9Ca0.1)(Ti1−xZrx)O3ceramics".Journal of the American Ceramic Society 100.11(2017):5202-5210.
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