Order parameters of the phase transition in bismuth titanate
- 1 June 1975
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 69 (2) , 575-578
- https://doi.org/10.1002/pssb.2220690231
Abstract
It is shown that the phase transition in bismuth titanate (at 675 °C) cannot be caused by the onset of parameters belonging to an irreducible representation. The parameters of the transition are divided into two sets; one leading to the symmetry B2cb, the other being responsible for the onset of the polarisation Pc. The former set of parameters is found and is shown to belong to a reducible representation.Keywords
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