Structural transition in unpoled (1-x)PMN-xPT ceramics near the morphotropic boundary
文献类型：期刊论文
| 作者 | J. B. Li ; G. H. Rao ; G. Y. Liu ; J. R. Chen ; L. Lu ; X. N. Jing ; S. L. Li ; J. K. Liang |
| 刊名 | Journal of Alloys and Compounds
 |
| 出版日期 | 2006 |
| 卷号 | 425期号:1-2页码:373-378 |
| 关键词 | phase transition X-ray diffraction dielectric analysis Pb(Mg1/3Nb2/3)O-3-PbTiO3 ferroelectric phase-transitions polarization rotation neutron-diffraction single-crystal perovskites stability behavior |
| ISSN号 | 0925-8388 |
| 中文摘要 | The phase relation and the structural transition in (1-x)Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) ceramics for 0.28 <= x <= 0.4 were investigated by high resolution X-ray powder diffraction (HR-XRD), temperature-dependent X-ray powder diffraction (T-XRD) and dielectric analysis. Unexpected broad and frequency dispersive dielectric anomalies were observed, just below the tetragonal (T)-cubic (C) transition dielectric peaks in temperature dependent dielectric permittivity in the unpoled ceramics for x = 0.32 and 0.34. Structural analysis revealed that the monoclinic (M-B) and tetragonal (T) structures coexisted in the composition range 0.32 <= x <= 0.36 at room temperature and in a wide temperature range for x = 0.32 and 0.34, however. in a non-equilibrium state. The sluggish M-B-T transition is closely related to the dielectric anomalies. The metastable ferroelectric phase diagram near MPB was re-constructed based on XRD and dielectric analysis. The phase transition procedure was discussed. (c) 2006 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/34302]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | J. B. Li,G. H. Rao,G. Y. Liu,et al. Structural transition in unpoled (1-x)PMN-xPT ceramics near the morphotropic boundary[J]. Journal of Alloys and Compounds,2006,425(1-2):373-378. |
| APA | J. B. Li.,G. H. Rao.,G. Y. Liu.,J. R. Chen.,L. Lu.,...&J. K. Liang.(2006).Structural transition in unpoled (1-x)PMN-xPT ceramics near the morphotropic boundary.Journal of Alloys and Compounds,425(1-2),373-378. |
| MLA | J. B. Li,et al."Structural transition in unpoled (1-x)PMN-xPT ceramics near the morphotropic boundary".Journal of Alloys and Compounds 425.1-2(2006):373-378. |
入库方式： OAI收割
来源：金属研究所
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