CHen, C*; Ning, H P*; Lepadatu, S; Cain, M G; Yan, H X*; Reece, M J* (2015) Ferroelectricity in Dion-Jacobson ABiNb(2)O(7) (A= Rb, Cs) compounds. J. Mater. Chem. C, 3 (1). pp. 19-22.

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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. Thermal depoling was also studied to confirm the Curie temperature and the stability of the piezoelectricity.

Item Type:	Article
Keywords:	ferroelectric, metrology, new materials
Subjects:	Advanced Materials Advanced Materials > Functional Materials
Identification number/DOI:	10.1039/c4tc02136c
Last Modified:	02 Feb 2018 13:13
URI:	http://eprintspublications.npl.co.uk/id/eprint/6430

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