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An AES, XPS and TDS study on the growth and property of silver thin film on the Pt(110)-(1 x 2) surface
Huang, WX; Jiang, ZQ; Dong, F; Bao, XH
KeywordGrowth Metallic Films Silver Platinum Carbon Monoxide Auger Electron Spectroscopy X-ray Photoelectron Spectroscopy Thermal Desorption
Source PublicationSURFACE SCIENCE
2002-08-10
Volume514Issue:1-3Pages:420-425
Indexed ByISTP ; SCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
WOS Research AreaChemistry ; Physics
WOS KeywordCHEMICAL-PROPERTIES ; INITIAL GROWTH ; AG/PT(111) ; X-2)
AbstractSilver thin film growth on the Pt(110)-(1 x 2) surface was investigated by Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and CO thermal desorption spectroscopy at various temperatures. At room temperature, the silver thin film growth follows the Stranski-Krastanov mode, i.e., layer-by-layer growth up to 1.5 monolayer (ML) followed by 3D island growth. During the initial 1.5 ML layer-by-layer growth, the first 0.5 ML silver atoms fill in the missing-row sites of the Pt(110)-(1 x 2) surface and form a pseudo Pt(110)-(1 x 1)-0.5 ML Pt-0.5 ML Ag surface structure, then the subsequent and the last 0.5 NIL silver atoms grow on the Ag sites and the Pt sites of the pseudo (1 x 1) surface, respectively. AES and XPS results reveal that the 3D Ag islands are not so stable as the 1.5 ML silver thin film. It is also found that interactions occur between Pt and Ag, in which electrons are transferred from Pt to Ag, causing the Ag 3d binding energy to shift to the lower binding energy, compared with that of bulk silver. At 600 K, the formation of surface Ag-Pt compound follows the 2.25 ML layer-by-layer growth of the silver thin film on Pt(110)(1 x 2). (C) 2002 Elsevier Science B.V. All rights reserved.
Language英语
WOS IDWOS:000177832500064
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139082
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Huang, WX,Jiang, ZQ,Dong, F,et al. An AES, XPS and TDS study on the growth and property of silver thin film on the Pt(110)-(1 x 2) surface[J]. SURFACE SCIENCE,2002,514(1-3):420-425.
APA Huang, WX,Jiang, ZQ,Dong, F,&Bao, XH.(2002).An AES, XPS and TDS study on the growth and property of silver thin film on the Pt(110)-(1 x 2) surface.SURFACE SCIENCE,514(1-3),420-425.
MLA Huang, WX,et al."An AES, XPS and TDS study on the growth and property of silver thin film on the Pt(110)-(1 x 2) surface".SURFACE SCIENCE 514.1-3(2002):420-425.
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