THE PREPARATION OF AND WATER-ADSORPTION ON THIN-FILMS OF NIOBIUM OXIDE ON PT(111)

	THE PREPARATION OF AND WATER-ADSORPTION ON THIN-FILMS OF NIOBIUM OXIDE ON PT(111)
	XIE, L ; WANG, DH ; ZHONG, CM ; GUO, XX ; USHIKUBO, T ; WADA, K
刊名	SURFACE SCIENCE
	1994-11-20
卷号	320 期号:1-2 页码:62-76
ISSN号	0039-6028
文献子类	Article
英文摘要	Three types of thin films of niobium oxide on Pt(111): NbOx, Nb2O5 and Ar+-bombarded Nb2O5 were studied. The thin films were made up of a high density of small crystallites on an epitaxial monolayer. AES, ILS and UPS showed that the NbOx thin film had an electronic structure that is a composite of those of NbO, NbO2 and Nb2O5, while the Nb2O5 thin film had an electronic structure similar to Nb2O5. LEED and HREELS showed that the surface periodicities and crystal structures differ from those of the bulk oxides. HREELS indicates a structural similarity with some supported two-dimensional Nb oxide monolayers with Nb=O surface sites of highly distorted NbO6 octahedra. Ar+ bombardment decreased the proportion of surface oxygen. Water adsorption at room temperature, studied by HREELS and UPS, was associative on Nb2O5 and dissociative on Ar+-bombarded Nb2O5. It was associative on NbOx but dissociates on heating.
WOS关键词	ENERGY-LOSS-SPECTROSCOPY ; AUGER-ELECTRON SPECTROSCOPY ; VIBRATIONAL PROPERTIES ; CATALYTIC ACTIVITIES ; MOLECULAR-STRUCTURES ; SURFACES ; OXYGEN ; OXIDATION ; TRANSITIONS ; OVERLAYERS
WOS研究方向	Chemistry ; Physics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:A1994PT17800012
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/167476]
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.CHINESE ACAD SCI,DALIAN INST CHEM PHYS,STATE KEY LAB CATALYSIS,DALIAN 116023,PEOPLES R CHINA 2.MITSUBISHI KASEI CORP,RES CTR,MIDORI KU,YOKOHAMA,KANAGAWA 227,JAPAN
推荐引用方式 GB/T 7714	XIE, L,WANG, DH,ZHONG, CM,et al. THE PREPARATION OF AND WATER-ADSORPTION ON THIN-FILMS OF NIOBIUM OXIDE ON PT(111)[J]. SURFACE SCIENCE,1994,320(1-2):62-76.
APA	XIE, L,WANG, DH,ZHONG, CM,GUO, XX,USHIKUBO, T,&WADA, K.(1994).THE PREPARATION OF AND WATER-ADSORPTION ON THIN-FILMS OF NIOBIUM OXIDE ON PT(111).SURFACE SCIENCE,320(1-2),62-76.
MLA	XIE, L,et al."THE PREPARATION OF AND WATER-ADSORPTION ON THIN-FILMS OF NIOBIUM OXIDE ON PT(111)".SURFACE SCIENCE 320.1-2(1994):62-76.