Symmetry properties of incommensurate crystal phases
- 1 January 1980
- journal article
- review article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 24 (1), 11-17
- https://doi.org/10.1080/00150198008238617
Abstract
Incommensurate crystal phases, appearing sometimes as intermediate phase in a ferroelectric transition do not have a 3-dimensional space group as symmetry group, but a higher-dimensional superspace group. The basic properties of this symmetry are discussed and the superspace groups are determined for a number of specific examples.Keywords
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