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Domain control in ferroelectric nanodots through surface charges
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10.1063/1.3058821
/content/aip/journal/apl/93/26/10.1063/1.3058821
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3058821
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Polarization distributions in the ferroelectric nanodots without surface charge (a)–(c) and in the ferroelectric nanodots with surface charge (d). (a) Three-dimensional spatial distribution of polarization magnitudes in the ferroelectric nanodot. (b) Two-dimensional projection of the three-dimensional polarization vectors in the plane at . (c) Two-dimensional projection of the three-dimensional polarization vectors in the plane at . (d) The same as (c) but with uniformly distributed positive charges on the upper surface and the equivalent negative charges on the lower surface.

Image of FIG. 2.
FIG. 2.

Polarizations vs the surface charge density. The in-plane components and become zero when the normalized charge density exceeds a critical value of 1.0. The relationship between the out-of-plane component and the charge density is found to be through linear fitting.

Image of FIG. 3.
FIG. 3.

Domain controlling of ferroelectric nanodots by means of surface charges. [, , and ] Three-dimensional spatial distribution of polarization component in the ferroelectric nanodots. [, , and ] Two-dimensional projection of the three-dimensional polarization vectors in the plane at . The single-domain , double-domain , and four-domain structures are obtained, respectively, by specific surface charges.

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/content/aip/journal/apl/93/26/10.1063/1.3058821
2008-12-29
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Domain control in ferroelectric nanodots through surface charges
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3058821
10.1063/1.3058821
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