Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/92670
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dc.contributor.authorNg, Nathanielen
dc.contributor.authorAhluwalia, Rajeeven
dc.contributor.authorSu, Haibinen
dc.contributor.authorBoey, Freddy Yin Chiangen
dc.date.accessioned2011-07-11T03:24:30Zen
dc.date.accessioned2019-12-06T18:26:58Z-
dc.date.available2011-07-11T03:24:30Zen
dc.date.available2019-12-06T18:26:58Z-
dc.date.copyright2008en
dc.date.issued2008en
dc.identifier.citationNg, N., Ahluwalia, R., Su, H., & Boey, F. (2009). Lateral size and thickness dependence in ferroelectric nanostructures formed by localized domain switching. Acta Materialia, 57(7), 2047-2054.en
dc.identifier.urihttps://hdl.handle.net/10356/92670-
dc.description.abstractFerroelectric nanostructures can be formed by local switching of domains using techniques such as piezo-force microscopy (PFM). Understanding the dependence of the switching behavior on the lateral size of the electrode is important to determine the minimum feature size for writing ferroelectric nanostructures. To understand these lateral size effects, we use the time-dependent Ginzburg–Landau equations in a two-dimensional square to rectangle ferroelectric transition to simulate localized switching of domains for PFM-type and parallel-plate capacitor configurations. Our investigations indicate that fringing electric fields lead to switching via intermediate 90° domains even in the absence of substrate or clamping effects for films of sufficient thicknesses, and via 180° rotations at smaller thicknesses. The voltage required to switch the domain increases by decreasing the lateral size, and at very small lateral sizes the coercive voltage becomes so large that it becomes virtually impossible to switch the domain.en
dc.format.extent26 p.en
dc.language.isoenen
dc.relation.ispartofseriesActa materialiaen
dc.rights© 2008 Acta Materialia Inc. This is the author created version of a work that has been peer reviewed and accepted for publication by Acta Materialia, Elsevier, on behalf of Acta Materialia Inc. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1016/j.actamat.2008.10.022.en
dc.subjectDRNTU::Engineering::Materials::Magnetic materialsen
dc.titleLateral size and thickness dependence in ferroelectric nanostructures formed by localized domain switchingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.identifier.doi10.1016/j.actamat.2008.10.022en
dc.description.versionAccepted versionen
item.fulltextWith Fulltext-
item.grantfulltextopen-
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