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Resolving ferroelectric nanostructures via piezoresponse force microscopy—A numerical investigation
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10.1063/1.4801970
/content/aip/journal/jap/113/18/10.1063/1.4801970
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4801970
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The schematics of PFM probing of 180° out-of-plane domains having domain wall parallel to axis, with the SPM tip approximated as an effective point charge located at the distance away from the probed surface; the out-of-plane displacement of (b) 180° domain and (c) 90° domain under different SPM tip radius , with being the nominal PFM domain wall thickness identified (only shown for ); and (d) correlation between and for 180° and 90° domains.

Image of FIG. 2.
FIG. 2.

(a) The schematics of PFM probing of 90° strip domain with domain wall parallel to axis; (b)-(f) the phase mappings of for different domain size under different tip radius .

Image of FIG. 3.
FIG. 3.

(a) The schematics of PFM probing of 180° in-plane domains with domain walls tilted from axis; (b) of 180° domains in-plane at , versus of 180° domains out-of-plane; (c) correlation between PFM domain thickness and tip radius ; (d) the schematics of PFM probing of 180° strip domains; (e)-(g) the phase mappings of for different domain size with tip radius .

Image of FIG. 4.
FIG. 4.

(a) The schematics of embedded square cylindrical domain in 2D side view; and the phase mappings of with embedded depth at (b)  = 1 nm, (c) 3 nm, and (d) 4 nm, with  = 25 nm.

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/content/aip/journal/jap/113/18/10.1063/1.4801970
2013-05-08
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Resolving ferroelectric nanostructures via piezoresponse force microscopy—A numerical investigation
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4801970
10.1063/1.4801970
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