Interaction of Mn with reducible CeO2(111) thin films

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	Interaction of Mn with reducible CeO2(111) thin films
	Ginting, Elfrida ; Hu, Shanwei ; Thorne, James E. ; Zhou, Yinghui ; Zhu, Junfa ; Zhou, Jing ; Zhou YH(周颖慧)
刊名	http://dx.doi.org/10.1016/j.apsusc.2013.05.009
	2013
关键词	WATER-GAS-SHIFT ELECTRONIC-STRUCTURE REDOX PROPERTIES CERIA CATALYSTS SURFACES GROWTH XPS NANOPARTICLES SPECTROSCOPY
英文摘要	National Science Foundation [CHE1151846]; School of Energy Resources at University of Wyoming; The structure and interaction of Mn/ceria interfaces were investigated under ultrahigh vacuum conditions with X-ray photoelectron spectroscopy (XPS), low energy electron diffraction (LEED) and scanning tunneling microscopy (STM) techniques. Mn was deposited on well-ordered reducible CeO2(1 1 1) thin films by thermal evaporation at room temperature. Deposition of Mn on both oxidized and reduced ceria surfaces can form the mixed Mn-Ce oxide at the interface. XPS data indicate that Ce4+ is partially reduced to Ce3+, while Mn is formally in the +2 oxidation state. STM results show the formation of two-dimensional manganese oxide features on ceria, which is consistent with the thermodynamics data. Our study demonstrates that Mn can modify both electronic and structural properties of ceria. (c) 2013 Published by Elsevier B.V.
语种	英语
出版者	ELSEVIER SCIENCE BV
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/91814]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Ginting, Elfrida,Hu, Shanwei,Thorne, James E.,et al. Interaction of Mn with reducible CeO2(111) thin films[J]. http://dx.doi.org/10.1016/j.apsusc.2013.05.009,2013.
APA	Ginting, Elfrida.,Hu, Shanwei.,Thorne, James E..,Zhou, Yinghui.,Zhu, Junfa.,...&周颖慧.(2013).Interaction of Mn with reducible CeO2(111) thin films.http://dx.doi.org/10.1016/j.apsusc.2013.05.009.
MLA	Ginting, Elfrida,et al."Interaction of Mn with reducible CeO2(111) thin films".http://dx.doi.org/10.1016/j.apsusc.2013.05.009 (2013).