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题名: Hydroxylated alpha-Al2O3 (0001) surfaces and metal/alpha-Al2O3 (0001) interfaces
作者: Fu, Qiang;  Wagner, Thomas;  Ruehle, Manfred
关键词: x-ray photoelectron spectroscopy ;  molecular beam epitaxy ;  metallic films ;  aluminum oxide ;  metal-oxide interfaces ;  surface chemical reactions
刊名: SURFACE SCIENCE
发表日期: 2006-11-01
DOI: 10.1016/j.susc.2006.08.008
卷: 600, 期:21, 页:4870-4877
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: X-ray photoelectron spectroscopy was applied to study the hydroxylation of alpha-Al2O3 (0001) surfaces and the stability of surface OH groups. The evolution of interfacial chemistry of the alpha-Al2O3 (0001) surfaces and metal/alpha-Al2O3 (0001) interfaces are well illustrate via modifications of the surface Ols spectra. Clean hydroxylated surfaces are obtained through water- and oxygen plasma treatment at room temperature. The surface OH groups of the hydroxylated surface are very sensitive to electron beam illumination, Ar+ sputtering, UHV heating, and adsorption of reactive metals. The transformation of a hydroxylated surface to an Al-terminated surface occurs by high temperature annealing or Al deposition. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: ELECTRONIC-STRUCTURE ;  1ST PRINCIPLES ;  HIGH-TEMPERATURE ;  ALPHA-ALUMINA ;  CU ;  SAPPHIRE ;  FILMS ;  WATER ;  H2O ;  AL2O3
语种: 英语
WOS记录号: WOS:000242514400012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140266
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.Max Planck Inst Met Res, D-70569 Stuttgart, Germany
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Fu, Qiang,Wagner, Thomas,Ruehle, Manfred. Hydroxylated alpha-Al2O3 (0001) surfaces and metal/alpha-Al2O3 (0001) interfaces[J]. SURFACE SCIENCE,2006,600(21):4870-4877.
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