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题名: The interaction of ultrathin Cr layers with SrTiO3(100)
作者: Fu, Qiang;  Wagner, Thomas
关键词: X-ray photoelectron spectroscopy ;  molecular beam epitaxy ;  metal-oxide interfaces ;  metal-support interactions
刊名: SURFACE SCIENCE
发表日期: 2007-03-01
DOI: 10.1016/j.susc.2006.12.072
卷: 601, 期:5, 页:1339-1344
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Physics
英文摘要: The growth of ultrathin Cr overlayers on SrTiO3(100) was studied by X-ray photoelectron spectroscopy, scanning tunneling microscopy, and transmission electron microscopy. It is found that the metal-oxide interaction strongly depends on the deposition temperature. At T < 600 degrees C, the interfaces are atomically sharp. Local charge transfer happens between the interfacial Cr adatoms and the topmost substrate atoms. The binding energy shift of Cr 2p is dominated by the final state effects. In case of T > 600 degrees C, bulk diffusion of oxygen in the oxide substrate may occur, which results in a redox reaction and the formation of new reaction phases at the interfaces. In this temperature regime, the binding energy shift of Cr 2p is mainly controlled by the initial state effects. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: METAL-CERAMIC INTERFACES ;  ELECTRONIC-STRUCTURE ;  OXIDE INTERFACES ;  MODEL CATALYSTS ;  SURFACE ;  FILMS ;  CLUSTERS ;  PHOTOEMISSION ;  TIO2(110) ;  GROWTH
语种: 英语
WOS记录号: WOS:000245065100023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140726
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Max Planck Inst Met Res, D-70569 Stuttgart, Germany

Recommended Citation:
Fu, Qiang,Wagner, Thomas. The interaction of ultrathin Cr layers with SrTiO3(100)[J]. SURFACE SCIENCE,2007,601(5):1339-1344.
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