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Switching kinetics in epitaxial thin films
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10.1063/1.3392884
/content/aip/journal/jap/107/8/10.1063/1.3392884
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/8/10.1063/1.3392884

Figures

Image of FIG. 1.
FIG. 1.

Ferroelectric hysteresis measurement at 1 kHz for (001)-, (110)-, and (111)-oriented BFO films (squares, circles, and triangles, respectively); (a) polarization and (b) and corresponding current vs electrical field .

Image of FIG. 2.
FIG. 2.

Switched polarization as a function of switching time for different electric fields measured on 300 nm thick epitaxial BFO films with (a) (001), (b) (110), and (c) (111) orientations. Solid lines are fits to the KAI model. The applied fields are ◼117 kV/cm, ●133 kV/cm, △150 kV/cm, ▼167 kV/cm, ◇183 kV/cm, ◁200 kV/cm, and ▷233 kV/cm (Not all measured curves are shown).

Image of FIG. 3.
FIG. 3.

Field dependence of the fitting parameters; (a) normalized polarization , (b) dimensionality factor , and (c) characteristic time from the KAI model for (001)-, (110)-, and (111)-oriented BFO films from Fig. 2 (squares, circles, and triangles, respectively).

Tables

Generic image for table
Table I.

Activation field and in the high and low field regimes, respectively, obtained from the fits (solid lines) in Fig. 2(c). For comparison, the values for epitaxial (001)-PZT are and (Ref. 21).

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/content/aip/journal/jap/107/8/10.1063/1.3392884
2010-04-27
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Switching kinetics in epitaxial BiFeO3 thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/8/10.1063/1.3392884
10.1063/1.3392884
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