期刊
APPLIED SURFACE SCIENCE
卷 427, 期 -, 页码 861-866出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2017.08.101
关键词
Perovskite oxide; Interfacesand thin films; Spin-orbit coupling; Optical properties; Band structure
类别
资金
- DST [SR/NM/NS-1007/2015]
To characterize the physical properties of thin films without ambiguity and design interface with new functionalities, it is essential to have detailed knowledge of physical properties and appropriate estimation of the band profile of perovskite oxide substrates. We have developed and demonstrated a chemical free unified framework to realize single terminated surface of KTaO3, (LaAlO3)(0.3) (Sr2AlTaO6)(0.7) and SrTiO3 (001) oriented single crystals. The electronic band line-up of these single crystal substrates, using a combination of optical spectroscopy and Kelvin Probe Force Microscopy, has been constructed. A polar-polar interface of KTaO3 and LaBO3 (B-Transition metal ion) before and after the possible surface/electronic reconstruction has also been schematically presented. (C) 2017 Elsevier B.V. All rights reserved.
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