Harnessing the topotactic transition in oxide heterostructures for fast and high-efficiency electrochromic applications

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dc.contributor.authorLim, Ji Sooko
dc.contributor.authorLee, Joungheeko
dc.contributor.authorLee, Byeoung Juko
dc.contributor.authorKim, Yong-Jinko
dc.contributor.authorPark, Heung-Sikko
dc.contributor.authorSuh, Jeonghunko
dc.contributor.authorNahm, Ho-Hyunko
dc.contributor.authorKim, Sang-Wooko
dc.contributor.authorCho, Byeong-Gwanko
dc.contributor.authorKoo, Tae Yeongko
dc.contributor.authorChoi, Eunjipko
dc.contributor.authorKim, Yong-Hyunko
dc.contributor.authorYang, Chan-Hoko
dc.date.accessioned2020-11-20T07:50:12Z-
dc.date.available2020-11-20T07:50:12Z-
dc.date.created2020-10-14-
dc.date.issued2020-10-
dc.identifier.citationScience Advances, v.6, no.41, pp.eabb8553-
dc.identifier.issn2375-2548-
dc.identifier.urihttp://hdl.handle.net/10203/277434-
dc.description.abstractMobile oxygen vacancies offer a substantial potential to broaden the range of optical functionalities of complex transition metal oxides due to their high mobility and the interplay with correlated electrons. Here, we report a large electro-absorptive optical variation induced by a topotactic transition via oxygen vacancy fluidic motion in calcium ferrite with large-scale uniformity. The coloration efficiency reaches similar to 80 cm(2) C-1, which means that a 300-nm-thick layer blocks 99% of transmitted visible light by the electrical switching. By tracking the color propagation, oxygen vacancy mobility can be estimated to be 10(-8) cm(2) s(-1) V-1 near 300 degrees C, which is a giant value attained due to the mosaic pseudomonoclinic film stabilized on LaAlO3 substrate. First-principles calculations reveal that the defect density modulation associated with hole charge injection causes a prominent change in electron correlation, resulting in the light absorption modulation. Our findings will pave the pathway for practical topotactic electrochromic applications.-
dc.languageEnglish-
dc.publisherAmerican Association for the Advancement of Science (AAAS)-
dc.titleHarnessing the topotactic transition in oxide heterostructures for fast and high-efficiency electrochromic applications-
dc.typeArticle-
dc.identifier.wosid000579161500023-
dc.identifier.scopusid2-s2.0-85092752794-
dc.type.rimsART-
dc.citation.volume6-
dc.citation.issue41-
dc.citation.beginningpageeabb8553-
dc.citation.publicationnameScience Advances-
dc.identifier.doi10.1126/sciadv.abb8553-
dc.contributor.localauthorNahm, Ho-Hyun-
dc.contributor.localauthorKim, Yong-Hyun-
dc.contributor.localauthorYang, Chan-Ho-
dc.contributor.nonIdAuthorLee, Byeoung Ju-
dc.contributor.nonIdAuthorKim, Sang-Woo-
dc.contributor.nonIdAuthorCho, Byeong-Gwan-
dc.contributor.nonIdAuthorKoo, Tae Yeong-
dc.contributor.nonIdAuthorChoi, Eunjip-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusTEMPERATURE-
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