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dc.contributor.author Lee, Shinbuhm ko
dc.contributor.author Gao, Xiang ko
dc.contributor.author Sohn, Changhee ko
dc.contributor.author Ha, Youngkyoung ko
dc.contributor.author Yoon, Sangmoon ko
dc.contributor.author Ok, Jong Mok ko
dc.contributor.author Chisholm, Matthew F. ko
dc.contributor.author Noh, Tae Won ko
dc.contributor.author Lee, Ho Nyung ko
dc.date.accessioned 2021-01-22T06:59:21Z -
dc.date.available 2021-01-22T06:59:21Z -
dc.date.created 2020-10-29 -
dc.date.issued 2020-09 -
dc.identifier.citation Applied Physics Letters, v.117, no.13, pp.133903 -
dc.identifier.issn 0003-6951 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/12649 -
dc.description.abstract The bronze-phase TiO2(B) has an open atomic framework that makes it a good candidate for applications in photochemical and electrochemical conversion of energy. However, the synthesis of bronze-phase TiO2(B) thin films on perovskite substrates, such as SrTiO3 (STO), which is one of the most conventional versatile substrates for oxide epitaxy, has been extremely challenging owing to the preferential formation of the anatase TiO2 over TiO2(B). The main reason is that the anatase TiO2 has not only a smaller lattice mismatch than TiO2(B), but also a better structural symmetry match when grown on STO. Here, we demonstrate a way to circumventing this problem by using a VO2(B) buffer layer, yielding the growth of a high-quality single crystalline TiO2(B) film on a (001)-oriented STO substrate. From the resulting TiO2(B) film, we found that this film has a large optical bandgap of ∼3.6 eV, which is close to the known theoretical value, the largest among TiO2 polymorphs, and useful for developing high-power energy devices. © 2020 Author(s). -
dc.language English -
dc.publisher American Institute of Physics -
dc.title Templated epitaxy of TiO2(B) on a perovskite -
dc.type Article -
dc.identifier.doi 10.1063/5.0021670 -
dc.identifier.wosid 000577127300002 -
dc.identifier.scopusid 2-s2.0-85092608053 -
dc.type.local Article(Overseas) -
dc.type.rims ART -
dc.description.journalClass 1 -
dc.contributor.nonIdAuthor Gao, Xiang -
dc.contributor.nonIdAuthor Sohn, Changhee -
dc.contributor.nonIdAuthor Yoon, Sangmoon -
dc.contributor.nonIdAuthor Ok, Jong Mok -
dc.contributor.nonIdAuthor Chisholm, Matthew F. -
dc.contributor.nonIdAuthor Noh, Tae Won -
dc.contributor.nonIdAuthor Lee, Ho Nyung -
dc.identifier.citationVolume 117 -
dc.identifier.citationNumber 13 -
dc.identifier.citationStartPage 133903 -
dc.identifier.citationTitle Applied Physics Letters -
dc.type.journalArticle Article -
dc.description.isOpenAccess N -
dc.subject.keywordPlus THIN-FILMS -
dc.subject.keywordPlus ANATASE TIO2 -
dc.subject.keywordPlus SURFACES -
dc.subject.keywordPlus GROWTH -
dc.subject.keywordPlus LAALO3 -
dc.subject.keywordPlus RUTILE -
dc.subject.keywordPlus METAL -
dc.contributor.affiliatedAuthor Lee, Shinbuhm -
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Department of Physics and Chemistry Semiconductor Energy Sensor Laboratory 1. Journal Articles

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