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Chen, Chen, Ning, Huanpo, Lepadatu, Serban 
ORCID: 0000-0001-6221-9727, Cain, Markys, Yan, Haixue and Reece, Mike J.
(2014)
Ferroelectricity in Dion–Jacobson ABiNb2O7(A = Rb, Cs) compounds.
Journal of Materials Chemistry, 3
(1).
pp. 19-22.
ISSN 0959-9428
Full text not available from this repository.
Official URL: http://dx.doi.org/10.1039/C4TC02136C
Abstract
The ferroelectric properties of 2-layer Dion–Jacobson compounds ABiNb2O7 (A = Rb and Cs) were studied. Ferroelectricity and piezoelectricity of CsBiNb2O7 were demonstrated for the first time. The ferroelectric domain structure of Dion–Jacobson compounds were imaged using PFM. The Curie points of RbBiNb2O7 and CsBiNb2O7 are 1098 ± 5 and 1033 ± 5 °C, respectively. The piezoelectric constant of RbBiNb2O7 and CsBiNb2O7 are approximately 5 and 8 pC N−1. Thermal depoling was also studied to confirm the Curie temperature and the stability of the piezoelectricity
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