{"title":"Pulsed laser deposition and structural analysis of Ba2Ti6O13 epitaxial thin film on the (210) surface of SrTiO3 single crystal","authors":"Ryuta Kono, Kohei Hieda, T. Tokunaga, Ryoma Tamura, Ryotaro Masamura, yasuyuki hikita, Kazuhiko Kano, Takahisa Yamamoto","doi":"10.35848/1882-0786/ad605d","DOIUrl":null,"url":null,"abstract":"\n A single crystalline thin film of Ba2Ti6O13 was grown on the (210) surface of a SrTiO3 single-crystal substrate by pulsed laser deposition. Scanning transmission electron microscopy shows that the Ba2Ti6O13 thin film grew epitaxially with the a-plane, and the b-/c-axes of Ba2Ti6O13 parallel to the (210) plane and the [00-1]/[-120] directions of SrTiO3, respectively. The electrical conductance of the Ba2Ti6O13 film was approximately one order larger than that of reduced SrTiO3-δ single crystal with oxygen deficiency of roughly δ = 0.05. Electronic structure calculations predict that δ is an n-type degenerate semiconductor with spin-split states primarily of Ti 3d orbital.","PeriodicalId":503885,"journal":{"name":"Applied Physics Express","volume":"118 16","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Physics Express","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.35848/1882-0786/ad605d","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A single crystalline thin film of Ba2Ti6O13 was grown on the (210) surface of a SrTiO3 single-crystal substrate by pulsed laser deposition. Scanning transmission electron microscopy shows that the Ba2Ti6O13 thin film grew epitaxially with the a-plane, and the b-/c-axes of Ba2Ti6O13 parallel to the (210) plane and the [00-1]/[-120] directions of SrTiO3, respectively. The electrical conductance of the Ba2Ti6O13 film was approximately one order larger than that of reduced SrTiO3-δ single crystal with oxygen deficiency of roughly δ = 0.05. Electronic structure calculations predict that δ is an n-type degenerate semiconductor with spin-split states primarily of Ti 3d orbital.
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