SCATTERING OF VIBRATIONALLY EXCITED H-2 FROM CU(111)

被引:43
作者
HODGSON, A [1 ]
MORYL, J [1 ]
ZHAO, H [1 ]
机构
[1] UNIV LIVERPOOL,DEPT CHEM,LIVERPOOL L69 3BX,ENGLAND
关键词
D O I
10.1016/0009-2614(91)80120-M
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 interaction of hydrogen with a Cu(111) surface has been studied using a vibrationally hot molecular beam with state selected detection of the incident and scattered molecules by resonance-enhanced multiphoton ionisation. The ratio of the survival probability for H-2 (nu = 1, J = 1) in the specular beam to that for (nu = 0, J = 1) is 0.67 +/- 0.1 for an incident translational energy of 0.34 eV at 45-degrees incidence. This is consistent with efficient dissociative chemisorption of the H-2 (nu = 1) level, dissociation of the (nu = 0) level being negligible at this energy.
引用
收藏
页码:152 / 158
页数:7
相关论文
共 33 条
  • [1] PHYSISORPTION INTERACTION OF H-2 WITH NOBLE-METAL SURFACES - A NEW H-2-CU POTENTIAL
    ANDERSSON, S
    WILZEN, L
    PERSSON, M
    [J]. PHYSICAL REVIEW B, 1988, 38 (05): : 2967 - 2973
  • [2] STICKING IN THE QUANTUM REGIME - H-2 AND D2 ON CU(100)
    ANDERSSON, S
    WILZEN, L
    PERSSON, M
    HARRIS, J
    [J]. PHYSICAL REVIEW B, 1989, 40 (12): : 8146 - 8168
  • [3] ADSORPTION AND DESORPTION-KINETICS IN THE SYSTEMS H-2/CU(111), H-2/CU(110) AND H-2/CU(100)
    ANGER, G
    WINKLER, A
    RENDULIC, KD
    [J]. SURFACE SCIENCE, 1989, 220 (01) : 1 - 17
  • [4] A SEARCH FOR VIBRATIONAL CONTRIBUTIONS TO THE ACTIVATED ADSORPTION OF H-2 ON COPPER
    BERGER, HF
    LEISCH, M
    WINKLER, A
    RENDULIC, KD
    [J]. CHEMICAL PHYSICS LETTERS, 1990, 175 (05) : 425 - 428
  • [5] BERGER HF, IN PRESS SURFACE SCI
  • [6] DIFFRACTION OF HE AND H-2 MOLECULAR-BEAMS FROM A LOW-TEMPERATURE METAL-SURFACE
    BOATO, G
    CANTINI, P
    TATAREK, R
    [J]. JOURNAL OF PHYSICS F-METAL PHYSICS, 1976, 6 (09): : L237 - L240
  • [7] CACCIATORE M, 1989, SURF SCI, V217, pL391, DOI 10.1016/0039-6028(89)90429-9
  • [8] DYNAMIC RELAXATION OF H2(V,J) ON A COPPER SURFACE
    CACCIATORE, M
    BILLING, GD
    [J]. SURFACE SCIENCE, 1990, 232 (1-2) : 35 - 50
  • [9] THE PURELY FAST DISTRIBUTION OF H-2 AND D2 MOLECULES DESORBING FROM CU(100) AND CU(111) SURFACES
    COMSA, G
    DAVID, R
    [J]. SURFACE SCIENCE, 1982, 117 (1-3) : 77 - 84
  • [10] VIBRATIONAL-EXCITATION OF HYDROGEN VIA RECOMBINATIVE DESORPTION OF ATOMIC-HYDROGEN GAS ON A METAL-SURFACE
    HALL, RI
    CADEZ, I
    LANDAU, M
    PICHOU, F
    SCHERMANN, C
    [J]. PHYSICAL REVIEW LETTERS, 1988, 60 (04) : 337 - 340