HIGH-RESOLUTION PROFILE IMAGING STUDIES OF SULFUR OVERLAYERS ON PLATINUM(100) SURFACES

被引:5
作者
UPPENBRINK, J [1 ]
KIRKLAND, AI [1 ]
TANG, D [1 ]
JEFFERSON, DA [1 ]
机构
[1] UNIV CAMBRIDGE,DEPT CHEM,LENSFIELD RD,CAMBRIDGE CB2 1EW,ENGLAND
关键词
D O I
10.1016/0039-6028(90)90071-F
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
Previous investigations have shown that an ordered monolayer of sulphur on the {100} surfaces of small platinum particles can be observed directly by high-resolution electron microscopy. This study presents the results of extensive image simulations of different possible {100} overlayer structures and adsorbtion sites for both 〈100〉 and 〈110〉 oriented particles, the results of this confirming the sulphur present in the experimental images as a c(2 × 2) overlayer with a four-fold adsorbate site symmetry. © 1990.
引用
收藏
页码:132 / 141
页数:10
相关论文
共 20 条
  • [1] BARTHOLOMEW CH, 1981, ADV CATAL, V31, P135
  • [2] SLOW-ELECTRON DIFFRACTION AND AUGER SPECTROSCOPY OF ADSORPTION OF SULFUR ON PLATINUM
    BERTHIER, Y
    PERDEREAU, M
    OUDAR, J
    [J]. SURFACE SCIENCE, 1973, 36 (01) : 225 - 241
  • [3] CASTANO V, 1984, SURF SCI, V146, pL587, DOI 10.1016/0039-6028(84)90429-1
  • [4] DUFF DG, 1989, ANGEW CHEM, V28, P591
  • [5] ADSORPTION OF SULFUR ON PLATINUM(100) SURFACE
    FISCHER, TE
    KELEMEN, SR
    [J]. SURFACE SCIENCE, 1977, 69 (01) : 1 - 22
  • [6] HREM IMAGE-CONTRAST FROM SUPPORTED SMALL METAL PARTICLES
    GAI, PL
    GORINGE, MJ
    BARRY, JC
    [J]. JOURNAL OF MICROSCOPY-OXFORD, 1986, 142 : 9 - 24
  • [7] SULFUR-INDUCED FACETING OF PLATINUM CATALYST PARTICLES
    HARRIS, PJF
    [J]. NATURE, 1986, 323 (6091) : 792 - 794
  • [8] ADSORPTION OF SULFUR ON (100) AND (111) FACES OF PLATINUM - LEED AND AES STUDY
    HEEGEMANN, W
    MEISTER, KH
    BECHTOLD, E
    HAYEK, K
    [J]. SURFACE SCIENCE, 1975, 49 (01) : 161 - 180
  • [9] DIRECT IMAGING OF AN ADSORBED LAYER BY HIGH-RESOLUTION ELECTRON-MICROSCOPY
    JEFFERSON, DA
    HARRIS, PJF
    [J]. NATURE, 1988, 332 (6165) : 617 - 620
  • [10] ATOMIC-STRUCTURE OF ULTRAFINE CATALYST PARTICLES RESOLVED WITH A 200-KEV TRANSMISSION ELECTRON-MICROSCOPE
    JEFFERSON, DA
    THOMAS, JM
    MILLWARD, GR
    TSUNO, K
    HARRIMAN, A
    BRYDSON, RD
    [J]. NATURE, 1986, 323 (6087) : 428 - 431