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Choi, Kyoung Jin
Energy Conversion Materials (EcoMAT) Lab
Research Interests
  • Solar cells, thermoelectrics, piezoelectric

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Interfacial coherency and ferroelectricity of BaTiO(3)/SrTiO(3) superlattice films

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dc.contributor.author Li, Y. L. ko
dc.contributor.author Hu, S. Y. ko
dc.contributor.author Tenne, D. ko
dc.contributor.author Soukiassian, A. ko
dc.contributor.author Schlom, D. G. ko
dc.contributor.author Chen, L. Q. ko
dc.contributor.author Xi, X. X. ko
dc.contributor.author Choi, Kyoung Jin ko
dc.contributor.author Eom, C. B. ko
dc.contributor.author Saxena, A. ko
dc.contributor.author Lookman, T. ko
dc.contributor.author Jia, Q. X. ko
dc.date.available 2014-10-24T00:10:01Z -
dc.date.created 2014-10-22 ko
dc.date.issued 2007-12 -
dc.identifier.citation APPLIED PHYSICS LETTERS, v.91, no.25, pp.252904-1 - 252904-3 ko
dc.identifier.issn 0003-6951 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/7635 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=37549042002 ko
dc.description.abstract We studied the phase transitions, domain morphologies, and polarizations in BaTiO(3)/SrTiO(3) superlattices grown on SrTiO(3) substrates. Using the phase field approach, we discovered the remarkable influence of film/substrate interfacial coherency on the ferroelectricity of the SrTiO(3) layers within a superlattice: it is an orthorhombic ferroelectric for an incoherent interface while it exhibits only induced polarization by the adjacent BaTiO(3) layers for a coherent interface. We presented the domain morphologies within individual BaTiO(3) and SrTiO(3) layers which have different ferroelectric symmetries. The results are compared to ultraviolet Raman spectroscopy and variable temperature x-ray diffraction measurements. ko
dc.description.statementofresponsibility open -
dc.language ENG ko
dc.publisher AMER INST PHYSICS ko
dc.subject DIELECTRIC-PROPERTIES ko
dc.subject DOMAIN-STRUCTURES ko
dc.subject THIN-FILMS ko
dc.subject ENHANCEMENT ko
dc.subject POLARIZATION ko
dc.subject DEPOSITION ko
dc.title Interfacial coherency and ferroelectricity of BaTiO(3)/SrTiO(3) superlattice films ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-37549042002 ko
dc.identifier.wosid 000251908100061 ko
dc.type.rims ART ko
dc.description.wostc 31 *
dc.description.scopustc 27 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-10-22 *
dc.identifier.doi 10.1063/1.2823608 ko
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