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Structural Behaviour of the Mixed-Layer Aurivillius-Phase Bi7Ti4NbO21

✍ Scribed by BOULLAY, PHILIPPE; MERCURIO, DANIELE


Book ID
115494214
Publisher
Taylor and Francis Group
Year
2004
Tongue
English
Weight
753 KB
Volume
62
Category
Article
ISSN
1058-4587

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πŸ“œ SIMILAR VOLUMES


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Rietveld refinement of powder neutron diffraction data has been used to study the crystal structures of the four-layer Aurivillius-phase ferroelectrics Bi 5 Ti 3 FeO 15 (at 251C) and SrBi 4 Ti 4 O 15 (at a series of temperatures up to 8001C). At 251C both materials adopt the polar orthorhombic space

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In part I of this paper, a generalized structural model of Aurivillius-type compounds has been presented using a 4D superspace group analysis where Aurivillius structures are considered as cation-deficient perovskites with the general formula AB 1Γ€x O 3 . Being essentially composition independent, t