Interlayer self-diffusion on stepped Pt(111)

被引:110
作者
Feibelman, PJ [1 ]
机构
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
关键词
D O I
10.1103/PhysRevLett.81.168
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Challenging our understanding of epitaxy on clean and O-precovered Pt(111), the ab initio Schwoebel barrier calculated for downward self-diffusion across A-type steps on Pt(111) is only E-S(A) approximate to 0.02 eV. Geometric arguments explain why E-S(B), the Schwoebel barrier at B-type steps, is more than an order of magnitude larger than E-S(A).
引用
收藏
页码:168 / 171
页数:4
相关论文
共 24 条
  • [1] Island morphology and adatom self-diffusion on Pt(111)
    Boisvert, G
    Lewis, LJ
    Scheffler, M
    [J]. PHYSICAL REVIEW B, 1998, 57 (03): : 1881 - 1889
  • [2] New approach for determination of diffusion parameters of adatoms
    Bott, M
    Hohage, M
    Morgenstern, M
    Michely, T
    Comsa, G
    [J]. PHYSICAL REVIEW LETTERS, 1996, 76 (08) : 1304 - 1307
  • [3] GROUND-STATE OF THE ELECTRON-GAS BY A STOCHASTIC METHOD
    CEPERLEY, DM
    ALDER, BJ
    [J]. PHYSICAL REVIEW LETTERS, 1980, 45 (07) : 566 - 569
  • [4] ATOMIC VIEW OF SURFACE SELF-DIFFUSION - TUNGSTEN ON TUNGSTEN
    EHRLICH, G
    HUDDA, FG
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1966, 44 (03) : 1039 - &
  • [5] ORIGIN OF OXYGEN-INDUCED LAYER-BY-LAYER GROWTH IN HOMOEPITAXY ON PT(111)
    ESCH, S
    HOHAGE, M
    MICHELY, T
    COMSA, G
    [J]. PHYSICAL REVIEW LETTERS, 1994, 72 (04) : 518 - 521
  • [6] ENERGETICS OF PT ADSORPTION ON PT(111)
    FEIBELMAN, PJ
    NELSON, JS
    KELLOGG, GL
    [J]. PHYSICAL REVIEW B, 1994, 49 (15): : 10548 - 10556
  • [7] Atom movement and binding on surface clusters: Pt on Pt(111) clusters
    Golzhauser, A
    Ehrlich, G
    [J]. PHYSICAL REVIEW LETTERS, 1996, 77 (07) : 1334 - 1337
  • [8] ISLAND SHAPE-INDUCED TRANSITION FROM 2D TO 3D GROWTH FOR PT/PT(111)
    JACOBSEN, J
    JACOBSEN, KW
    STOLTZE, P
    NORSKOV, JK
    [J]. PHYSICAL REVIEW LETTERS, 1995, 74 (12) : 2295 - 2298
  • [9] KALFF M, UNPUB
  • [10] AB-INITIO MOLECULAR-DYNAMICS SIMULATION OF THE LIQUID-METAL AMORPHOUS-SEMICONDUCTOR TRANSITION IN GERMANIUM
    KRESSE, G
    HAFNER, J
    [J]. PHYSICAL REVIEW B, 1994, 49 (20): : 14251 - 14269