| Roles of microcracking and phase transition on electric fatigue for [001]-oriented Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals | |
| Fang, F. ; Yang, W. ; Luo, X. | |
| 2010-10-12 ; 2010-10-12 | |
| 关键词 | LEAD-ZIRCONATE-TITANATE CRACK-GROWTH PIEZOELECTRIC PROPERTIES FERROELECTRIC FATIGUE POLARIZATION ROTATION PBTIO3 CRYSTALS FIELD CERAMICS PROPAGATION DEPENDENCE Physics, Applied |
| 中文摘要 | Microstructure and polarization degradation are observed under cyclic electric loadings for [001]-oriented Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals. Microcracking and phase transition are found to bear effect for polarization degradation. Upon cyclic electric loading with a comparatively low field magnitude, phase transition does not occur but the propagation of microcracks significantly reduces the polarization. When electric loading is cycled under it high field magnitude, the single crystal transforms from a rhombohedral phase to it monoclinic one. Both microcracking and phase transition hinder ferroelectric domain switching and reduce the number of electric dipoles that may switch under cyclic electric field The phase transition degrades the polarization to it greater degree than the microcracks. The results imply that the polydomain state of a ferroelectric rhombohedral phase enhances the electromechanical properties. (C) 2009 American Institute of Physics. [doi:10.1063/1.3253741] |
| 语种 | 英语 ; 英语 |
| 出版者 | AMER INST PHYSICS ; MELVILLE ; CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA |
| 内容类型 | 期刊论文 |
| 源URL | [http://hdl.handle.net/123456789/78930]  |
| 专题 | 清华大学 |
| 推荐引用方式 GB/T 7714 | Fang, F.,Yang, W.,Luo, X.. Roles of microcracking and phase transition on electric fatigue for [001]-oriented Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals[J],2010, 2010. |
| APA | Fang, F.,Yang, W.,&Luo, X..(2010).Roles of microcracking and phase transition on electric fatigue for [001]-oriented Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals.. |
| MLA | Fang, F.,et al."Roles of microcracking and phase transition on electric fatigue for [001]-oriented Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals".(2010). |
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