Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5898
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dc.contributorDepartment of Electronic and Information Engineeringen_US
dc.creatorWu, CMen_US
dc.creatorChen, WJen_US
dc.creatorMa, DCen_US
dc.creatorWoo, CHen_US
dc.creatorZheng, Yen_US
dc.date.accessioned2014-12-11T08:24:48Z-
dc.date.available2014-12-11T08:24:48Z-
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://hdl.handle.net/10397/5898-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in C. M. Wu et al., J. Appl. Phys. 112, 104108 (2012) and may be found at http://link.aip.org/link/?jap/112/104108en_US
dc.subjectElectric domainsen_US
dc.subjectFerroelectric transitionsen_US
dc.subjectNanostructured materialsen_US
dc.subjectPhase diagramsen_US
dc.subjectSurface chargingen_US
dc.subjectVorticesen_US
dc.titleEffects of the surface charge screening and temperature on the vortex domain patterns of ferroelectric nanodotsen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Woo, C. H.en_US
dc.identifier.spage1en_US
dc.identifier.epage8en_US
dc.identifier.volume112en_US
dc.identifier.issue10en_US
dc.identifier.doi10.1063/1.4766382en_US
dcterms.abstractBased on the phase field simulations, effects of the surface charge screening and temperature on the vortex domain structure of the ferroelectric nanodot have been investigated. Our calculations show that the ferroelectric nanodot adopts a rhombohedral vortex domain pattern under an ideal open-circuit boundary condition. With the increase of the surface charge screening, the dipole vortex gradually rotates and appears rhombohedral-orthorhombic-tetragonal transformation. By adjusting the surface charge screening, the polar single domain and multi-vortices domain patterns with zero toroidal moment have been obtained near the phase transition temperature. More importantly, temperature and charge screening “T-C” phase diagram has been summarized, which indicates an effective method to control the vortex domain structure in the low-dimensional ferroelectric nanostructures.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of applied physics, 15 Nov. 2012, v. 112, no. 10, 104108, p. 1-8en_US
dcterms.isPartOfJournal of applied physicsen_US
dcterms.issued2012-11-15-
dc.identifier.isiWOS:000311969800175-
dc.identifier.scopus2-s2.0-84870659517-
dc.identifier.eissn1089-7550en_US
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRA-
dc.identifier.FolderNumbera2707-
dc.identifier.SubFormID48085-
dc.description.fundingSourceOthersen_US
dc.description.fundingTextNSFCen_US
dc.description.pubStatusPublisheden_US
dc.description.oaCategoryVoR alloweden_US
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