| Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
|---|---|---|
| Article Number | 06096 | |
| Number of page(s) | 6 | |
| Section | Chapter 6 Materials Science | |
| DOI | https://doi.org/10.1051/matecconf/20166706096 | |
| Published online | 29 July 2016 | |
The One-dimensional Property of Sr/Si(111)-3×2 Reconstructed Surface
Changzhou Institute of Technology, ChangZhou, JiangSu Province, China
a aduwh@czu.cn
* Corresponding author: aduwh@czu.cn
The electronic and geometric structures of Sr/Si surface were investigated by Scanning Tunneling Microscopy. One-dimensional(1D) atomic concerted motion phenomenon was observed on this surface. Three reasons contribute to this phenomenon: First, low metal coverage of 1/6 monolayer with low energy occupation sites; second, weak interaction between Sr and Si substrate; third, surface vacancy formed in the high temperature annealing process and thermal fluctuation energy at room temperature. This findings lead to the conclusions that (3×2) reconstruction of Sr/Si system behave typical one-dimensional diffusion property at room temperature.
© The Authors, published by EDP Sciences, 2016
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