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Local crystal chemistry, structured diffuse scattering and the dielectric properties of (Bi 1- x Y x ) 2 ( M III Nb V )O 7 ( M = Fe 3+ , In 3+ ) Bi-pyrochlores

Somphon, W; Ting, Valeska; Liu, Yun; Withers, Raymond; Zhou, Qingdi; Kennedy, Brendan James

Description

Electron diffraction is used to investigate the large amplitude displacive disorder characteristic of the Bi2(MIIINbV)O7 Bi-pyrochlores, Bi2InNbO7 and Bi2FeNbO7, as well as of their A site substituted Bi1.5Y0.5InNbO7 and Bi1.5Y0.5FeNbO7 variants. Highly structured diffuse distributions in the form of {110}* sheets of diffuse intensity perpendicular to the six 〈110〉 directions of real space along with 〈111〉* rods of diffuse intensity perpendicular to the four {111} real space planes are...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/85076
Source: Journal of Solid State Chemistry
DOI: 10.1016/j.jssc.2006.04.046

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