Dynamics and stability of nanostructures on metal surfaces

被引:64
作者
Rosenfeld, G
Morgenstern, K
Esser, M
Comsa, G
机构
[1] Univ Twente, Fac Appl Phys, NL-7500 AE Enschede, Netherlands
[2] Univ Twente, MESA Res Inst, NL-7500 AE Enschede, Netherlands
[3] Univ Lausanne, Inst Condensed Matter Phys, CH-1015 Lausanne, Switzerland
[4] Univ Bonn, Inst Phys & Theoret Chem, D-53115 Bonn, Germany
来源
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1999年 / 69卷 / 05期
关键词
D O I
10.1007/s003390051448
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Ultrathin metal films consisting of two-dimensional clusters are typically unstable: the cluster ensemble has the tendency to reduce its total free energy via Ostwald ripening or dynamic coalescence of mobile clusters. In this paper we give an overview of recent model experiments addressing these coarsening mechanisms. The experiments have been performed using STM on ensembles consisting of adatom or vacancy clusters with typical diameters in the nanometer range on fcc(lll)-metal surfaces. Agreement with and deviations from conventional theories are discussed.
引用
收藏
页码:489 / 496
页数:8
相关论文
共 69 条
  • [31] Decay of two-dimensional Ag islands on Ag(111)
    Morgenstern, K
    Rosenfeld, G
    Comsa, G
    [J]. PHYSICAL REVIEW LETTERS, 1996, 76 (12) : 2113 - 2116
  • [32] MORGENSTERN K, 1996, THESIS U BONN
  • [33] MORGENSTERN K, IN PRESS SURF SCI
  • [34] THEORY OF THERMAL GROOVING
    MULLINS, WW
    [J]. JOURNAL OF APPLIED PHYSICS, 1957, 28 (03) : 333 - 339
  • [35] MORPHOLOGICAL CHANGES OF A SURFACE OF REVOLUTION DUE TO CAPILLARITY-INDUCED SURFACE DIFFUSION
    NICHOLS, FA
    MULLINS, WW
    [J]. JOURNAL OF APPLIED PHYSICS, 1965, 36 (06) : 1826 - &
  • [36] Island diffusion and coarsening on metal (100) surfaces
    Pai, WW
    Swan, AK
    Zhang, ZY
    Wendelken, JF
    [J]. PHYSICAL REVIEW LETTERS, 1997, 79 (17) : 3210 - 3213
  • [37] ADSORBATE-PROMOTED MASS-FLOW ON THE GOLD(111) SURFACE OBSERVED BY SCANNING TUNNELING MICROSCOPY
    PEALE, DR
    COOPER, BH
    [J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1992, 10 (04): : 2210 - 2215
  • [38] NUMERICAL STUDY OF LATE-STAGE COARSENING FOR OFF-CRITICAL QUENCHES IN THE CAHN-HILLIARD EQUATION OF PHASE-SEPARATION
    ROGERS, TM
    DESAI, RC
    [J]. PHYSICAL REVIEW B, 1989, 39 (16) : 11956 - 11964
  • [39] NEW CONCEPTS FOR CONTROLLED HOMOEPITAXY
    ROSENFELD, G
    LIPKIN, NN
    WULFHEKEL, W
    KLIEWER, J
    MORGENSTERN, K
    POELSEMA, B
    COMSA, G
    [J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 1995, 61 (05): : 455 - 466
  • [40] Stability of two-dimensional clusters on crystal surfaces: From Ostwald ripening to single-cluster decay
    Rosenfeld, G
    Morgenstern, K
    Beckmann, I
    Wulfhekel, W
    Laegsgaard, E
    Besenbacher, F
    Comsa, G
    [J]. SURFACE SCIENCE, 1998, 402 (1-3) : 401 - 408