Dielectric nonlinearity and electric breakdown behaviors of Ba0.95Ca0.05Zr0.3Ti0.7O3 ceramics for energy storage utilizations
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- 作者：Di Zhan ; Qing Xu ; xuqing@whut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Duan-Ping Huang ; Han-Xing Liu ; Wen Chen ; Feng Zhang
- 关键词：Ceramics ; Energy storage materials ; Ferroelectrics ; Oxide materials ; Dielectric response
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：15 October 2016
- 年：2016
- 卷：682
- 期：Complete
- 页码：594-600
- 全文大小：2031 K
文摘
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Contributions to the dielectric constants under bias electric field were resolved.
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The intrinsic mechanism dominated the dielectric response under strong field.
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The electric breakdown of the ceramics initially occurred on the surfaces.
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Oxygen vacancies were determined to be the mobile charge carriers in the ceramics.
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The oxygen vacancies in the ceramics were contributive to the initial breakdown.
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