CESIUM OXYGEN COADSORPTION ON RU(001)

被引:25
|
作者
SHI, H
JACOBI, K
ERTL, G
机构
[1] Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-1000 Berlin 33
关键词
D O I
10.1016/0039-6028(92)91332-6
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The Cs and O coadsorption on Ru(001) was studied by high-resolution electron energy loss spectroscopy (HREELS) and UV photoelectron spectroscopy (UPS). The Cs monolayer exhibits a square-root 3 structure in LEED. The coadsorption of oxygen was studied at 95 and 220 K. At small oxygen doses a broad band of Cs-O vibrations is found at 25+/-3 meV and a change of the LEED pattern into a split (2 X 2). At higher oxygen coverage evidence for dioxygen species and the Ru-O vibration is observed.
引用
收藏
页码:682 / 686
页数:5
相关论文
共 50 条
  • [31] THE COADSORPTION OF NITROGEN WITH CARBON-MONOXIDE AND OXYGEN ON THE RU(001) SURFACE - LOCAL CHEMICAL INTERACTIONS IN MIXED OVERLAYERS
    ANTON, AB
    AVERY, NR
    MADEY, TE
    WEINBERG, WH
    JOURNAL OF CHEMICAL PHYSICS, 1986, 85 (01): : 507 - 518
  • [32] EVIDENCE FOR MOLECULAR REORIENTATIONS ON A SURFACE - COADSORPTION OF CO AND NA ON RU(001)
    NETZER, FP
    DOERING, DL
    MADEY, TE
    SURFACE SCIENCE, 1984, 143 (01) : L363 - L370
  • [33] COADSORPTION OF CESIUM AND OXYGEN ON NI(100) .2. CESIUM ENHANCED CHEMISORPTION AND OXIDATION
    PAPAGEORGOPOULOS, CA
    CHEN, JM
    SURFACE SCIENCE, 1975, 52 (01) : 53 - 61
  • [34] COADSORPTION OF HYDROCARBON FRAGMENTS WITH CARBON-MONOXIDE ON NI(100) AND RU(001)
    AKHTER, S
    HENDERSON, MA
    MITCHELL, GE
    WHITE, JM
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1987, 193 : 51 - COLL
  • [35] INCORPORATION OF OXYGEN CHEMISORBED ON RU(001)
    PRALINE, G
    KOEL, BE
    LEE, HI
    WHITE, JM
    APPLICATIONS OF SURFACE SCIENCE, 1980, 5 (03): : 296 - 312
  • [36] COADSORPTION OF HYDROGEN AND ETHYLENE, AND CARBON-MONOXIDE AND ETHYLENE ON THE RU(001) SURFACE
    HILLS, MM
    PARMETER, JE
    WEINBERG, WH
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (23) : 7215 - 7221
  • [37] INTERACTION OF OXYGEN WITH A RU(001) SURFACE
    SURNEV, L
    RANGELOV, G
    BLIZNAKOV, G
    SURFACE SCIENCE, 1985, 159 (2-3) : 299 - 310
  • [38] HYDROGEN CHEMISORPTION ON CESIUM-PREDOSED RU(001) SURFACES
    SHI, H
    GENG, P
    JACOBI, K
    SURFACE SCIENCE, 1994, 315 (1-2) : 1 - 8
  • [39] Coadsorption of water monomers with CO on Ru(001) and charge transfer during hydration processes
    Nakamura, M
    Ito, M
    CHEMICAL PHYSICS LETTERS, 2001, 335 (3-4) : 170 - 175
  • [40] INTERACTION OF SULFUR WITH BIMETALLIC SURFACES - COADSORPTION OF SULFUR AND NOBLE-METALS ON RU(001)
    KUHN, M
    RODRIGUEZ, JA
    JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (46): : 12059 - 12066