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Wiley, Advanced Materials, 39(25), p. 5561-5567, 2013

DOI: 10.1002/adma.201302066

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Phase Transitions, Phase Coexistence, and Piezoelectric Switching Behavior in Highly Strained BiFeO3Films

Journal article published in 2013 by C. Beekman, W. Siemons, T. Z. Ward ORCID, M. Chi, J. Howe, M. D. Biegalski, N. Balke ORCID, P. Maksymovych, A. K. Farrar, J. B. Romero, P. Gao, X. Q. Pan, D. A. Tenne, H. M. Christen
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Highly strained BiFeO3 films transition into a true tetragonal state at 430 °C but remain polar to much higher temperatures (∼800 °C). Piezoelectric switching is only possible up to 300 °C, i.e., at temperatures for which strain stabilizes the stripe-like coexistence of multiple polymorphs.