The Effect of Ta Doping on the Phase Transitions and the Piezoelectric and Ferroelectric Properties of K0.35Na0.65NbO3

Schiemer, Jason and Liu, Yun and Carpenter, Michael A. and Withers, Ray (2012) The Effect of Ta Doping on the Phase Transitions and the Piezoelectric and Ferroelectric Properties of K0.35Na0.65NbO3. Ferroelectrics, 429 (1). pp. 95-102. ISSN 0015-0193 DOI 10.1080/00150193.2012.676971

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Official URL: http://dx.doi.org/10.1080/00150193.2012.676971

Abstract

The ferroelectric, piezoelectric and phase transition behavior of high-density K0.35Na0.65 NbO3 samples prepared by solid state synthesis, and changes in these properties with Ta doping are reported, including improvement of piezoelectric coefficient d33s. Piezoresponse force microscopy is used to investigate the ferroelectric domain structure. Temperature-dependent resonant ultrasound spectroscopy is used to investigate phase transitions as well as internal friction. Tuning of the monoclinic to tetragonal phase transition to room temperature is predicted at ∼35% Ta doping.

Item Type: Article
Uncontrolled Keywords: 2012AREP; IA63;
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Ferroelectrics
Volume: 429
Page Range: pp. 95-102
Identification Number: 10.1080/00150193.2012.676971
Depositing User: Sarah Humbert
Date Deposited: 19 Sep 2014 10:48
Last Modified: 19 Sep 2014 10:48
URI: http://eprints.esc.cam.ac.uk/id/eprint/3127

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