中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Adsorption and reaction of CO on the Sm/Rh(100) model surface

文献类型:期刊论文

作者Ma, YS; Zhu, JF; Zhou, WP; Zhai, RS; Bao, XH; Zhang, XY; Zhuang, SX
刊名chemical journal of chinese universities-chinese
出版日期2002
卷号23期号:1页码:83-86
关键词Rh(100) surface Sm film Sm/Rh surface alloy CO adsorption
英文摘要the preparation of sm overlayer and sm/rh surface alloy on rh(100) surface, adsorption and reaction of co on these two model surfaces were investigated with aes, leed, xps and tds. the growth of sm overlayer appears following the sk mode at room temperature. annealing of sm overlayer at 900 k leads to formation of the ordered sm/rh surface alloy which exhibits the c(5 root2 x root2)r45degrees-sm and c(2 x 2)-sm leed patterns. the morphology of sm/rh 0 00) surface changes completely during co adsorption due to the formation of smox and surface carbon. with the increasing of the sm coverage, a drastic decrease in the peak area and a peak shift to higher temperature were observed for the low temperature desorption of co(alpha-co) from the sm/rh(100) surface, indicating that both the site blocking of preadsorbed sm and the electron donation from sm can simultaneously affect the co adsorption. in the case of the sm/rh surface alloy, a new desorption peak of co grows at similar to590 k, which is assigned to co on the sm-affected rh sites.
WOS标题词science & technology ; physical sciences
类目[WOS]chemistry, multidisciplinary
研究领域[WOS]chemistry
关键词[WOS]coadsorption ; overlayers ; samarium ; ru(001) ; films
收录类别SCI
语种英语
WOS记录号WOS:000173834700022
公开日期2015-11-10
源URL[http://159.226.238.44/handle/321008/139070]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
作者单位1.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Ma, YS,Zhu, JF,Zhou, WP,et al. Adsorption and reaction of CO on the Sm/Rh(100) model surface[J]. chemical journal of chinese universities-chinese,2002,23(1):83-86.
APA Ma, YS.,Zhu, JF.,Zhou, WP.,Zhai, RS.,Bao, XH.,...&Zhuang, SX.(2002).Adsorption and reaction of CO on the Sm/Rh(100) model surface.chemical journal of chinese universities-chinese,23(1),83-86.
MLA Ma, YS,et al."Adsorption and reaction of CO on the Sm/Rh(100) model surface".chemical journal of chinese universities-chinese 23.1(2002):83-86.

入库方式: OAI收割

来源:大连化学物理研究所

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