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The dependence of the oxidation enhancement of InP(100) surface on the coverage of the adsorbed Cs | |
Sun, Yun; Liu, Zhi; Pianetta, Piero | |
2010 | |
发表期刊 | JOURNAL OF APPLIED PHYSICS |
ISSN | 0021-8979 |
卷号 | 107期号:12页码:- |
发表状态 | 已发表 |
DOI | 10.1063/1.3452384 |
摘要 | We report the oxidation of the InP(100) surface promoted by adsorbed Cs by synchrotron radiation photoemission. Oxygen exposure causes reduction in the charge transferred to the InP substrate from Cs and the growth of indium oxide and phosphorous oxide. The oxide growth displays a clear dependence on the Cs coverage. The oxidation of phosphorous is negligible up to 1000 L of O(2) exposure when the Cs coverage is less than half a monolayer (ML) but the formation of the. second half-ML of Cs greatly accelerates the oxidation. This different enhancement of the InP oxidation by the first and the second half-ML of Cs is due to the double layer structure of the adsorbed Cs atoms, and consequently the higher 6s electron density in the Cs atoms when Cs coverage is larger than 0.5 ML. (C) 2010 American Institute of Physics. ()[doi:10.1063/1.3452384] |
URL | 查看原文 |
收录类别 | SCI |
WOS研究方向 | Physics |
WOS类目 | Physics, Applied |
WOS记录号 | WOS:000279993900167 |
出版者 | AMER INST PHYSICS |
WOS关键词 | CORE-LEVEL PHOTOEMISSION ; GAAS(001) SURFACES ; INP ; INTERFACE ; CESIUM ; OXYGEN ; GAAS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/31114 |
专题 | 个人在本单位外知识产出 |
通讯作者 | Sun, Yun |
作者单位 | Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA |
推荐引用方式 GB/T 7714 | Sun, Yun,Liu, Zhi,Pianetta, Piero. The dependence of the oxidation enhancement of InP(100) surface on the coverage of the adsorbed Cs[J]. JOURNAL OF APPLIED PHYSICS,2010,107(12):-. |
APA | Sun, Yun,Liu, Zhi,&Pianetta, Piero.(2010).The dependence of the oxidation enhancement of InP(100) surface on the coverage of the adsorbed Cs.JOURNAL OF APPLIED PHYSICS,107(12),-. |
MLA | Sun, Yun,et al."The dependence of the oxidation enhancement of InP(100) surface on the coverage of the adsorbed Cs".JOURNAL OF APPLIED PHYSICS 107.12(2010):-. |
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