Encyclopedia of Microfluidics and Nanofluidics

2008 Edition
| Editors: Dongqing Li


Reference work entry
DOI: https://doi.org/10.1007/978-0-387-48998-8_1113


A centrosymmetric material has points of inversion symmetry throughout its volume. A material that does not is said to be non-centrosymmetric. This is a key requirement for piezoelectric materials: they must be non-centrosymmetric. Not all non-centrosymmetric materials are piezoelectric, however (the exception is materials with class 432).

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© Springer-Verlag 2008