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Thickness dependence of switching time and coercive field in ferroelectric thin films
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10.1063/1.3576110
/content/aip/journal/jap/109/8/10.1063/1.3576110
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/8/10.1063/1.3576110

Figures

Image of FIG. 1.
FIG. 1.

The switching time vs the applied electric field e for film thickness , extrapolation length , and temperature t = 0.0. Triangles represent the numerical data. The data are fitted by the following functions: the dotted line is for , the solid line is for , and the dashed line is for . Inset (a) shows vs 1/e, and the arrow indicates the coercive field b in the function . Inset (b) shows the reciprocal switching time vs e.

Image of FIG. 2.
FIG. 2.

The switching time vs the applied electric field e for film thickness , extrapolation length , and t = 0.0. The triangles in (a), (b), and (c) represent the numerical data. The data are fitted by in (a), in (b), and in (c).

Image of FIG. 3.
FIG. 3.

The switching time vs the applied electric field e for films of various thicknesses (  = 1.0, 2.0, 4.0, 6.75), temperature t = 0.0, and extrapolation length  = 3.

Image of FIG. 4.
FIG. 4.

The switching time vs the applied electric field e for films of various thicknesses (  = 1.0, 2.0, 4.0, 5.67), temperature t = 0.0, and extrapolation length .

Image of FIG. 5.
FIG. 5.

The coercive field vs the film thickness l for various positive at temperature t = 0.0. Symbols: triangles for , circles for , and squares for .

Image of FIG. 6.
FIG. 6.

The coercive field vs the film thickness l for various at temperature t = 0.0. Symbols: triangles for , circles for , and squares for . The dashed line is the bulk coercive field . The inset shows a zoomed view of

Image of FIG. 7.
FIG. 7.

The switching time vs the film thickness for various , with an applied electric field e = 2.0 and temperature t = 0.0. Symbols: triangles for , circles for , and squares for .

Image of FIG. 8.
FIG. 8.

The switching time vs the film thickness for various , with an applied electric field e = 25.0 (we used high field here in order to switch the ultrathin film with a small ) and temperature t = 0.0. Symbols: triangles for , circles for , and squares for .

Tables

Generic image for table
Table I.

Regression analysis of curve fittings for the numerical data shown in Fig. 1 .

Generic image for table
Table II.

Regression analysis of curve fittings for the numerical data shown in Fig. 2 .

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/content/aip/journal/jap/109/8/10.1063/1.3576110
2011-04-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thickness dependence of switching time and coercive field in ferroelectric thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/8/10.1063/1.3576110
10.1063/1.3576110
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