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Soft phonon modes and diffuse scattering in Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 relaxor ferroelectrics

Li, Qian; Danilkin, Sergey; Deng, Guochu; Li, Zhengrong; Withers, Ray; Xu, Zhuo; Liu, Yun

Description

0.29Pb(In1/2Nb1/2)O3-0.45Pb(Mg1/3Nb2/3)O3-0.26PbTiO3 single crystals have been studied using triple-axis based elastic and inelastic neutron scattering. Elastic diffuse scattering reveals the presence of polar nano-regions (PNR's) in this system, which emerge at the Burns temperature (TB ∼630 K) and then grow continuously in population and correlation size down to 100 K. At 300 K, characteristic “butterfly” and ellipsoid shaped diffuse scattering patterns are observed in the HK0 scattering...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/202048
Source: Journal of Materiomics
DOI: 10.1016/j.jmat.2018.06.001
Access Rights: Open Access

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