Nonlinearity in the high-electric-field piezoelectricity of epitaxial BiFeO3 on SrTiO3

The piezoelectricity of a multiferroic BiFeO3 thin film deviates from its low-field linear response in electric fields higher than 150 MV/m. Time-resolved synchrotron x-ray microdiffraction reveals a low-field piezoelectric coefficient of 55 pm/V and a steeper increase in strain at higher fields, wi...

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Veröffentlicht in:	Applied physics letters 2012-02, Vol.100 (6)
Hauptverfasser:	Chen, Pice, Sichel-Tissot, Rebecca J., Young Jo, Ji, Smith, Ryan T., Baek, Seung-Hyub, Saenrang, Wittawat, Eom, Chang-Beom, Sakata, Osami, Dufresne, Eric M., Evans, Paul G.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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