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Highly oriented SrTiO3 thin film on graphene substrate

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Title
Highly oriented SrTiO3 thin film on graphene substrate
Author(s)
Sang A Lee; Jae-Yeol Hwang; Eun Sung Kim; Sung Wng Kim; Woo Seok Choi
Subject
Diffusion barrier, ; Epitaxy, ; Graphene, ; Interface, ; Pulsed laser deposition, ; Si, ; SrTiO3, ; Thin film
Publication Date
2017-02
Journal
ACS APPLIED MATERIALS & INTERFACES, v.9, no.4, pp.3246 - 3250
Publisher
AMER CHEMICAL SOC
Abstract
Growth of perovskite oxide thin films on Si in crystalline form has long been a critical obstacle for the integration of multifunctional oxides into Si-based technologies. In this study, we propose pulsed laser deposition of a crystalline SrTiO3 thin film on a Si using graphene substrate. The SrTiO3 thin film on graphene has a highly (00l)-oriented crystalline structure which results from the partial epitaxy. Moreover, graphene promotes a sharp interface by highly suppressing the chemical intermixing. The important role of graphene as a 2D substrate and diffusion barrier allows the expansion of device applications based on functional complex oxides. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/3457
DOI
10.1021/acsami.6b12258
ISSN
1944-8244
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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