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Analysis of Core-level Spectra of the $Li/Ge(111)-3\times1$ Surface  

Cho, Hye-Jin (Department of Physics, Inha University)
Kim, Yeong-Hoon (Department of Physics, Inha University)
Lee, Geun-Seop (Department of Physics, Inha University)
Publication Information
Journal of the Korean Vacuum Society / v.15, no.1, 2006 , pp. 31-36 More about this Journal
Abstract
By analyzing the Ge 34 core-level photoelectron spectrum, we studied the structure of the $Li/Ge(111)-3\times1$ surface. Two surface related components tying on either side of the main bulk peak were identified in the Ge 3d spectrum. The existence and the position of the two surface components in the core-level spectrum from $Li/Ge(111)-3\times1$ is similar to those of the $Li/Ge(111)-3\times1$, suggesting the similarities in structure of the two surfaces. The core-level photoelectron spectra of the Li-induced $Li/Ge(111)-3\times1$ surface are well consistent with the honeycomb-chain-channel model, which was proposed as the structure of the $Si/Ge(111)-3\times1$ induced by alkali metals.
Keywords
Ge(111); Alkali-metal adsorption; Core-level photoelectron spectroscopy; Surface reconstruction; Honeycomb chain-channel (HCC) structure; Atomic and electronic structures;
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