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Issue 1, 2015
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Ferroelectricity in Dion–Jacobson ABiNb2O7 (A = Rb, Cs) compounds

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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−1. Thermal depoling was also studied to confirm the Curie temperature and the stability of the piezoelectricity.

Graphical abstract: Ferroelectricity in Dion–Jacobson ABiNb2O7 (A = Rb, Cs) compounds

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Publication details

The article was received on 22 Sep 2014, accepted on 04 Nov 2014 and first published on 04 Nov 2014


Article type: Communication
DOI: 10.1039/C4TC02136C
J. Mater. Chem. C, 2015,3, 19-22

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    Ferroelectricity in Dion–Jacobson ABiNb2O7 (A = Rb, Cs) compounds

    C. Chen, H. Ning, S. Lepadatu, M. Cain, H. Yan and M. J. Reece, J. Mater. Chem. C, 2015, 3, 19
    DOI: 10.1039/C4TC02136C

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