- Title
- Group-theoretical analysis of octahedral tilting in ferroelectric perovskites
- Creator
- Stokes, Harold; Kisi, Erich; Hatch, Dorian; Howard, Christopher
- Relation
- ACTA Crystallographica Section B: Structural Science Vol. B58, Issue 6, p. 934-938
- Publisher Link
- http://dx.doi.org/10.1107/S0108768102015756
- Publisher
- Blackwell
- Resource Type
- journal article
- Date
- 2002
- Description
- Group-theoretical methods are used to analyze perovskite structures where both ferroelectric cation displacements and simple tilting of octahedral units are present. This results in a list of 40 different structures, each with a unique space-group symmetry. The list is compared with that of Aleksandrov & Bartolome [Phase Transit. (2001), 74, 255–335] and a number of differences are found. The group–subgroup relationships between the structures are also determined, along with an indication of those phase transitions that must be first order by Landau theory.
- Subject
- group-theoretical analysis; octahedral tilting; ferroelectric perovskites
- Identifier
- uon:1344
- Identifier
- http://hdl.handle.net/1959.13/27073
- Identifier
- ISSN:0108-7681
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