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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
关键词Growth Metallic Films Silver Platinum Carbon Monoxide Auger Electron Spectroscopy X-ray Photoelectron Spectroscopy Thermal Desorption
刊名SURFACE SCIENCE
2002-08-10
514期:1-3页:420-425
收录类别ISTP ; 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
关键词[WOS]CHEMICAL-PROPERTIES ; INITIAL GROWTH ; AG/PT(111) ; X-2)
英文摘要Silver 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.
语种英语
WOS记录号WOS:000177832500064
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139082
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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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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