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Title: Domain wall contribution to the electrocaloric effect in BaTiO3 nanoparticle: a phase-field investigation Author: Li, B.; Wang, J. B.; Zhong, X. L. (...) Source: Journal of Nanoparticle Research, 2013, 15(2): 1-9 |
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baiyuefei
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风雪
- LS-EPI: 1647
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2楼2014-08-27 08:26:22
baiyuefei
版主 (文学泰斗)
风雪
- LS-EPI: 1647
- 应助: 4642 (副教授)
- 贵宾: 46.969
- 金币: 658157
- 散金: 11616
- 红花: 995
- 沙发: 81
- 帖子: 69389
- 在线: 13298.6小时
- 虫号: 676696
- 注册: 2008-12-18
- 性别: GG
- 专业: 合成药物化学
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【答案】应助回帖
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蓝的蓝: 金币+5 2014-08-27 08:27:21
sunshan4379: LS-EPI+1, 感谢应助！ 2014-08-27 09:00:48
蓝的蓝: 金币+5 2014-08-27 08:27:21
sunshan4379: LS-EPI+1, 感谢应助！ 2014-08-27 09:00:48
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Domain wall contribution to the electrocaloric effect in BaTiO3 nanoparticle: a phase-field investigation 作者:Li, B (Li, B.)[ 1,2 ] ; Wang, JB (Wang, J. B.)[ 1,2 ] ; Zhong, XL (Zhong, X. L.)[ 1,2 ] ; Wang, F (Wang, F.)[ 1,2 ] ; Liu, BL (Liu, B. L.)[ 1,2 ] ; Zhou, YC (Zhou, Y. C.)[ 1,2 ] JOURNAL OF NANOPARTICLE RESEARCH 卷: 15 期: 2 文献号: 1427 DOI: 10.1007/s11051-013-1427-6 出版年: FEB 2013 查看期刊信息 摘要 The domain wall contribution to the electrocaloric effect (ECE) in the BaTiO3 (BTO) nanoparticle at room temperature is investigated using a phase-field model combined with thermodynamics analysis. The results show that the domain structure which relates to the size has a significant effect on the ECE in the BTO nanoparticle. When the size of the BTO nanoparticle decreases, the domain structure undergoes a transition from a multidomain structure to a monodomain structure. In the multidomain BTO nanoparticle, the adiabatic temperature change increases with increasing of the domain wall density and domain wall width. In the monodomain BTO nanoparticle, the adiabatic temperature change almost retains constant with the value of 0.95 K which is smaller than that in the multidomain structure. The variation of the adiabatic temperature change at different domain structure is attributed to the domain wall contribution to ECE. 关键词 作者关键词:Nanoparticle; Electrocaloric effect; Domain; Ferroelectric KeyWords Plus:THIN-FILMS; DIELECTRIC-PROPERTIES; SINGLE-CRYSTAL; TEMPERATURE; TRANSITION; SIMULATION; INTERFACE; CERAMICS; SURFACE; SIZE 作者信息 通讯作者地址: Wang, JB (通讯作者) Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Hunan, Peoples R China. 地址: [ 1 ] Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Hunan, Peoples R China [ 2 ] Xiangtan Univ, Fac Mat Optoelect & Phys, Xiangtan 411105, Hunan, Peoples R China 电子邮件地址:jbwang@xtu.edu.cn; xlzhong@xtu.edu.cn 基金资助致谢 基金资助机构 授权号 National Natural Science Foundation of China 11072208 11272274 11032010 Hunan Provincial Natural Science Foundation of China 12JJ1007 Specialized Research Fund for the Doctoral Program of Higher Education 20114301110004 Innovation Fund Project for Graduate Student of Hunan Province CX2010B252 查看基金资助信息 出版商 SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS 类别 / 分类 研究方向:Chemistry; Science & Technology - Other Topics; Materials Science Web of Science 类别:Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary 文献信息 文献类型:Article 语种:English 入藏号: WOS:000318550400005 ISSN: 1388-0764 期刊信息 Impact Factor (影响因子): Journal Citation Reports® 其他信息 IDS 号: 138ZG Web of Science 核心合集中的 "引用的参考文献": 39 Web of Science 核心合集中的 "被引频次": 2 |
3楼2014-08-27 08:26:38