Octahedral tilting, domain structure and piezoelectricity in perovskites and related ceramics

被引：0
作者：
Department of Engineering Materials, University of Sheffield, Sir Robert Hadfield Building, Mappin St, Sheffield S1 3JD, United Kingdom [1 ]
机构：
[1] Department of Engineering Materials, University of Sheffield, Sir Robert Hadfield Building, Mappin St
来源：
J Electroceram | 2007年 / 1卷 / 1-8期
关键词：
Domain structure; Electron microscopy; Octahedral tilting; Perovskites; Piezoelectricity;
D O I：
10.1007/s10832-007-9119-1
中图分类号：
学科分类号：
摘要：
Perovskites and related compounds constitute the majority of commercial piezoelectric ceramics. Typically, most publications note the crystal structure, grain size and properties of piezoelectrics but often very little is reported about their domain and domain wall structure. In many systems, it is the motion or vibration of the domain walls which dominate the piezoelectric and electromechanical coupling coefficients, the so-called extrinsic contribution. This article discusses mechanisms relating to structure and domain wall structure which either suppress or enhance extrinsic contributions. Consideration is given to the ferroic nature of some systems in which octahedral tilt in addition to ferroelectric phase transitions occur. The domain structure at and adjacent to the morphotropic phase boundary in several well-known systems is also discussed. © 2007 Springer Science+Business Media, LLC.
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页码：1 / 8
页数：7
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