Polar precursor ordering in BaTiO3 detected by resonant piezoelectric spectroscopy

Aktas, Oktay and Carpenter, Michael A. and Salje, Ekhard K. H. (2013) Polar precursor ordering in BaTiO3 detected by resonant piezoelectric spectroscopy. Applied Physics Letters, 103 (14). p. 142902. DOI https://doi.org/10.1063/1.4823576

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An experimental method, Resonant Piezoelectric Spectroscopy (RPS), is introduced for the detection of polar precursor effects in ferroelectric and multiferroic materials. RPS is based on the excitation of elastic waves through the piezoelectric effect in a sample. As the intensity of these waves is significantly amplified through mechanical resonances, RPS is very sensitive to the development of polar nanostructures. Using RPS, we identify polar nanostructures in BaTiO3 as a precursor in the cubic phase. Results are compatible with polar tweed structures which persist up to 613 K. This temperature is much higher than previously reported.

Item Type: Article
Additional Information: c. 2013 AIP Publishing LLC
Uncontrolled Keywords: 2013AREP; IA66;
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Applied Physics Letters
Volume: 103
Page Range: p. 142902
Identification Number: https://doi.org/10.1063/1.4823576
Depositing User: Sarah Humbert
Date Deposited: 08 Nov 2013 18:16
Last Modified: 15 Nov 2013 17:26
URI: http://eprints.esc.cam.ac.uk/id/eprint/2910

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