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Ferroelectric and octahedral tilt twin disorder and the lead-free piezoelectric, sodium potassium niobate system

Schiemer, Jason; Withers, Raymond; Liu, Yun; Yi, Zhiguo

Description

Using electron diffraction, trends in the local structural behaviour of the KxNa1-xNbO3 (KNN x) 'solid solution' system are investigated and interpreted using an order/disorder based theoretical framework. At room temperature, electron diffraction shows a single plane of transverse polarised, diffuse intensity perpendicular to [0 1 0]p (p for parent sub-structure) across the entire phase diagram, indicative of ferroelectric disorder along the [0 1 0]p direction co-existing with long range...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/20484
Source: Journal of Solid State Chemistry
DOI: 10.1016/j.jssc.2012.02.005

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