Lattice dimensionality, symmetry, and critical behaviour of ferroelectrics
- 1 August 1980
- journal article
- research article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 29 (1), 75-82
- https://doi.org/10.1080/00150198008009013
Abstract
A review is given on the critical behaviour of systems undergoing structural—in particular ferroelectric-phase transitions. The decisive influence of the lattice dimensionality and the symmetry of the interaction on the non-classical critical behaviour is demonstrated. It is emphasized, that non-classical fluctuations may drive the transition to first order. In many cases cross-over effects are crucial for the explanation of the critical behaviour in ferroelectrics.Keywords
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