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题名: Preparation and properties of the SmOx/Rh(100) model surface
作者: Ma, YS;  Zhu, JF;  Zhuang, SX;  Jiang, ZQ;  Zhou, WP;  Zhai, RS;  Bao, XH
关键词: Rh(100) surface ;  SmOx film ;  CO adsorption ;  AES ;  TDS ;  XPS
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2002-07-01
卷: 47, 期:14, 页:1184-1186
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: The preparation of SmOx/Rh(100) and CO adsorption on this model surface have been investigated with Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption spectroscopy (TDS). The oxygen adsorption on the SmRh alloy surface leads to the aggregation of Sm on the surface. The thermal treatment of this oxidized surface induces the further agglomeration of SmOx on the Rh(100) surface. Compared with CO TDS on the clean Rh(100) surface, three additional CO desorption peaks can be observed at 176, 331 and 600 K on the SmOx/Rh(100) surface. The CO desorption peak at 176 K may originate from CO adsorbed on SmOx islands, while the appearance of the CO adsorption peaks at 331 and 600 K, depending on the oxidation state of Sm, is attributed to CO species located at the interface of SmOx/Rh(100).
关键词[WOS]: ALLOY
语种: 英语
WOS记录号: WOS:000176841000010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139139
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Ma, YS,Zhu, JF,Zhuang, SX,et al. Preparation and properties of the SmOx/Rh(100) model surface[J]. CHINESE SCIENCE BULLETIN,2002,47(14):1184-1186.
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