Directing Oxygen Vacancy Channels in SrFeO2.5 Epitaxial Thin Films

DC Field Value Language
dc.contributor.authorAmit Khare-
dc.contributor.authorJaekwang Lee-
dc.contributor.authorJaeseoung Park-
dc.contributor.authorGi-Yeop Kim-
dc.contributor.authorSi-Young Choi-
dc.contributor.authorTakayoshi Katase-
dc.contributor.authorSeulki Roh-
dc.contributor.authorTae Sup Yoo-
dc.contributor.authorJungseek Hwang-
dc.contributor.authorHiromichi Ohta-
dc.contributor.authorJunwoo Son-
dc.contributor.authorWoo Seok Choi-
dc.date.available2018-07-18T02:05:34Z-
dc.date.created2018-04-16-
dc.date.issued2018-02-
dc.identifier.issn1944-8244-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4654-
dc.description.abstractTransition-metal oxides (TMOs) with brown-millerite (BM) structures possess one-dimensional oxygen. vacancy channels (OVCs), which play a key role in realizing high ionic conduction at low temperatures. The controllability of the vacancy channel orientation, thus, possesses a great potential for practical applications and would provide a better visualization of the diffusion pathways of ions in TMOs. In this study, the orientations of the OVCs in BM-SrFeO2.5 are stabilized along two crystallographic directions of the epitaxial thin films. The distinctively orientated phases are found to be highly stable and exhibit a. considerable difference in their electronic structures and optical properties, which could be understood in terms of orbital anisotropy. The control of the OVC orientation further leads to modifications in the hydrogenation of the BM-SrFeO2.5 thin films. The results demonstrate a strong correlation between crystallographic orientations, electronic structures, and ionic motion in the BM structure © 2018 American Chemical Society-
dc.languageENG-
dc.publisherAMER CHEMICAL SOC-
dc.titleDirecting Oxygen Vacancy Channels in SrFeO2.5 Epitaxial Thin Films-
dc.typeArticle-
dc.type.rimsA-
dc.identifier.wosid000424851600052-
dc.identifier.scopusid2-s2.0-85041898397-
dc.contributor.affiliatedAuthorAmit Khare-
dc.identifier.bibliographicCitationACS APPLIED MATERIALS & INTERFACES, v.10, no.5, pp.4831 - 4837-
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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