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Surface alloying of Pb as a surfactant during epitaxial growth on Cu(111)
Xu, MC; Qian HJ(钱海杰); Liu FQ(刘凤琴); Kui RX(奎热西); Qian, HJ; Liu, FQ; Ibrahim, K; Lai, WY; Gao, HJ
2005
发表期刊SURFACE SCIENCE
卷号589期号:1-3页码:1-7
通讯作者Xu, MC (reprint author), Chinese Acad Sci, Inst Phys, Nanoscale Phys & Device Lab, Beijing 100080, Peoples R China.
摘要As an important surfactant, Pb surface alloying in surfactant-assisted epitaxy growth was studied by synchrotron radiation photoemission. As annealing causes the submonolayer Pb, distributed as two-dimensional islands on Cu(I 11), to form Pb-Cu surface alloy, Cu growth is also found to activate the Pb-Cu surface alloy formation on submonolayer Pb covered Cu(I 11). Whereas, different from the fact that the Pb-Cu surface alloy is replaced by a Pb over-layer when the Pb coverage increases up to 1.0 ML, Co deposition gives rise to the Pb-Co surface alloy even on the 1.0 ML Pb covered Cu(l 11) surface. In the Pb-Cu surface alloy the Pb 5d core level is shifted toward Fermi level by about 20 meV. Heating de-alloys the Pb-Co surface alloy, while the interface intermixture between Co film and Cu substrate is also enhanced at the same time. (c) 2005 Elsevier B.V. All rights reserved.
文章类型Article
关键词surface alloy surface state core level shift surfactant-assisted epitaxy lead copper cobalt
学科领域Chemistry; Physics
DOI10.1016/j.susc.2005.05.033
收录类别SCI
WOS类目Chemistry, Physical ; Physics, Condensed Matter
WOS记录号WOS:000231301800001
引用统计
被引频次:5[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/311005/225434
专题多学科研究中心
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GB/T 7714
Xu, MC,Qian HJ,Liu FQ,et al. Surface alloying of Pb as a surfactant during epitaxial growth on Cu(111)[J]. SURFACE SCIENCE,2005,589(1-3):1-7.
APA Xu, MC.,钱海杰.,刘凤琴.,奎热西.,Qian, HJ.,...&Gao, HJ.(2005).Surface alloying of Pb as a surfactant during epitaxial growth on Cu(111).SURFACE SCIENCE,589(1-3),1-7.
MLA Xu, MC,et al."Surface alloying of Pb as a surfactant during epitaxial growth on Cu(111)".SURFACE SCIENCE 589.1-3(2005):1-7.
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