中文版 | English
Title

Synthesis of freestanding perovskite oxide thin films by using brownmillerite SrCoO2.5 as a sacrificial layer

Author
Corresponding AuthorHu, Songbai; Chen, Lang
Publication Years
2023-02-06
DOI
Source Title
ISSN
0003-6951
EISSN
1077-3118
Volume122Issue:6
Abstract
Freestanding perovskite thin films display many unprecedented properties and exhibit the potential to be easily integrated on other non-oxide substrates or layers. In this work, we demonstrated a pathway to synthesis freestanding perovskite oxide thin films by using brownmillerite SrCoO2.5 as a sacrificial layer. Four representative freestanding perovskite oxide films, e.g., ferromagnetic SrRuO3, La0.7Sr0.3MnO3, dielectric SrTiO3, and ferroelectric Pb(Zr0.2Ti0.8)O-3, were produced by etching SrCoO2.5 in Fe(NO3)(3) weak acidic solution at room temperature. A 80 nm SrRuO3, which served as an H+ conduction channel, was deposited as a bottom layer of SrCoO2.5 to trigger a quick dissolution for the exfoliation of SrTiO3 and Pb(Zr0.2Ti0.8)O-3 poor H+ conductor. Their crystal structure and physical properties were well retained in transferred films. Our work demonstrated the wide applicability of SrCoO2.5 as a sacrificial layer on the synthesis of freestanding perovskite oxide thin films.
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
First ; Corresponding
Funding Project
NSFC (National Natural Science Foundation of China)["11804145","51972160","12004156"] ; Science and Technology Research Items of Shenzhen["JCYJ20190809142603695","JCYJ20190809181601639"] ; Guangdong Basic and Applied Basic Research Foundation[2019A1515110519] ; Ministry of Science and Technology of the People's Republic of China[2022YFA1402903]
WOS Research Area
Physics
WOS Subject
Physics, Applied
WOS Accession No
WOS:000926949700002
Publisher
ESI Research Field
PHYSICS
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/490004
DepartmentDepartment of Physics
工学院_材料科学与工程系
Affiliation
1.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
First Author AffilicationDepartment of Physics
Corresponding Author AffilicationDepartment of Physics
First Author's First AffilicationDepartment of Physics
Recommended Citation
GB/T 7714
Zhou, Weikun,Han, Wenqiao,Yang, Yihao,et al. Synthesis of freestanding perovskite oxide thin films by using brownmillerite SrCoO2.5 as a sacrificial layer[J]. APPLIED PHYSICS LETTERS,2023,122(6).
APA
Zhou, Weikun.,Han, Wenqiao.,Yang, Yihao.,Shu, Liang.,Luo, Qinggui.,...&Chen, Lang.(2023).Synthesis of freestanding perovskite oxide thin films by using brownmillerite SrCoO2.5 as a sacrificial layer.APPLIED PHYSICS LETTERS,122(6).
MLA
Zhou, Weikun,et al."Synthesis of freestanding perovskite oxide thin films by using brownmillerite SrCoO2.5 as a sacrificial layer".APPLIED PHYSICS LETTERS 122.6(2023).
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