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Structurally frustrated relaxor ferroelectric behavior in CaCu 3 Ti 4 O 12

Liu, Yun; Withers, Raymond; Wei, Xiao

Description

Direct diffraction evidence for structurally frustrated relaxor ferroelectric behavior in the form of one-dimensionally correlated, off-center displacements of Ti ions within the TiO6 octahedra of CaCu3Ti4O12 (CCTO) has been obtained. When coupled with the observation of a ferroelectric effect, important implications for the understanding of the extraordinary dielectric properties of CCTO arise. That the incipient ferroelectric behavior is correlated only along one-dimensional 001 columns of...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/79920
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.72.134104

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