Electric-Field-Induced Reversible Phase Transitions in a Spontaneously Ion-Intercalated 2D Metal Oxide

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dc.contributor.authorRasouli, Hamid Rezako
dc.contributor.authorKim, Jeonghoko
dc.contributor.authorMehmood, Naveedko
dc.contributor.authorSheraz, Aliko
dc.contributor.authorJo, Min-kyungko
dc.contributor.authorSong, Seungwooko
dc.contributor.authorKang, Kibumko
dc.contributor.authorKasirga, Talip Serkanko
dc.date.accessioned2021-06-08T02:30:44Z-
dc.date.available2021-06-08T02:30:44Z-
dc.date.created2021-06-07-
dc.date.created2021-06-07-
dc.date.issued2021-05-
dc.identifier.citationNANO LETTERS, v.21, no.9, pp.3997 - 4005-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10203/285599-
dc.description.abstractElectric field driven reversible phase transitions in two-dimensional (2D) materials are appealing for their potential in switching applications. Here, we introduce potassium intercalated MnO2 as an exemplary case. We demonstrate the synthesis of large-area single-crystal layered MnO2 via chemical vapor deposition as thin as 5 nm. These crystals are spontaneously intercalated by potassium ions during the synthesis. We showed that the charge transport in 2D K-MnO2 is dominated by motion of hydrated potassium ions in the interlayer space. Under a few volts bias, separation of potassium and the structural water leads to formation of different phases at the opposite terminals, and at larger biases K-MnO2 crystals exhibit reversible layered-to-spinel phase transition. These phase transitions are accompanied by electrical and optical changes in the material. We used the electric field driven ionic motion in K-MnO2 based devices to demonstrate the memristive capabilities of two terminal devices.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleElectric-Field-Induced Reversible Phase Transitions in a Spontaneously Ion-Intercalated 2D Metal Oxide-
dc.typeArticle-
dc.identifier.wosid000651773600039-
dc.identifier.scopusid2-s2.0-85106168924-
dc.type.rimsART-
dc.citation.volume21-
dc.citation.issue9-
dc.citation.beginningpage3997-
dc.citation.endingpage4005-
dc.citation.publicationnameNANO LETTERS-
dc.identifier.doi10.1021/acs.nanolett.1c00735-
dc.contributor.localauthorKang, Kibum-
dc.contributor.nonIdAuthorRasouli, Hamid Reza-
dc.contributor.nonIdAuthorMehmood, Naveed-
dc.contributor.nonIdAuthorSheraz, Ali-
dc.contributor.nonIdAuthorSong, Seungwoo-
dc.contributor.nonIdAuthorKasirga, Talip Serkan-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthor2d materials-
dc.subject.keywordAuthorphase transitions-
dc.subject.keywordAuthorion transport-
dc.subject.keywordAuthorMnO2-
dc.subject.keywordAuthorreal time optical chemical vapor deposition-
dc.subject.keywordPlusBIRNESSITE-TYPE MNO2-
dc.subject.keywordPlusNA-RICH BIRNESSITE-
dc.subject.keywordPlusHEXAGONAL BIRNESSITE-
dc.subject.keywordPlusMANGANESE OXIDES-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusCRYSTAL WATER-
dc.subject.keywordPlusMOS2-
dc.subject.keywordPlusTRANSFORMATION-
dc.subject.keywordPlusPHOTOLUMINESCENCE-
dc.subject.keywordPlusDELAMINATION-
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