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Ultrathin Pb film growth on Cu(111) studied by photoemission
Xu, MC; Qian HJ(钱海杰); Kui RX(奎热西); Qian, HJ; Liu, FQ; Ibrahim, K; Lai, WY; Wu, SC
2001
发表期刊SOLID STATE COMMUNICATIONS
卷号117期号:5页码:327-332
通讯作者Chinese Acad Sci, Inst Phys, Ctr Condensed Matter Phys, State Key Lab Magnetism, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Synchtrotron Radiat Lab, Beijing 100039, Peoples R China ; Peking Univ, Dept Phys, Beijing 100871, Peoples R China
文章类型Article
摘要The valence bands and the Pb 5d, Cu 3p core levels of Pb films evaporated on Cu(111) were measured by synchrotron radiation photoemission and characterized by low-energy electron diffraction (LEED) and Auger electron spectroscopy (AES). The variation of the surface state at the center of the surface Brillouin zone (SBZ) of Cu(111) with Pb coverage shows that the submonolayer Pb grows on Cu(111) at room temperature (RT) as two-dimensional (2D) islands. With the Pb coverage increasing, the Pb 5d(5/2) core level shifts to higher binding energy monotonically. While the Cu 3p(3/2) core level is shifted toward higher binding energy by about 120 meV due to the deposition of 1.0 ML Pb. At low Pb coverage, subsequent annealing at 200 degreesC gives rise to Pb-Cu surface alloy formation in the first layer of Cu(111). The Pb 5d core level is shifted toward Fermi level by 20 similar to 30 meV due to the surface alloying. An assumption about electron charge transfer from Cu to Pb was adopted to interpret the observed core level shifts. (C) 2001 Published by Elsevier Science Ltd.
关键词surfaces and interfaces photoelectron spectroscopies synchrotron radiation
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1016/S0038-1098(00)00461-0
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Condensed Matter
WOS记录号WOS:000166394700010
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236998
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Xu, MC,Qian HJ,Kui RX,et al. Ultrathin Pb film growth on Cu(111) studied by photoemission[J]. SOLID STATE COMMUNICATIONS,2001,117(5):327-332.
APA Xu, MC.,钱海杰.,奎热西.,Qian, HJ.,Liu, FQ.,...&Wu, SC.(2001).Ultrathin Pb film growth on Cu(111) studied by photoemission.SOLID STATE COMMUNICATIONS,117(5),327-332.
MLA Xu, MC,et al."Ultrathin Pb film growth on Cu(111) studied by photoemission".SOLID STATE COMMUNICATIONS 117.5(2001):327-332.
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