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Au wetting and nanoparticle stability on GaAs(111)B

Hilner, Emelie LU ; Mikkelsen, Anders LU ; Bolinsson, Jessica LU ; Andersen, Jesper N LU ; Lundgren, Edvin LU ; Zakharov, Alexei LU ; Yi, H. and Kratzer, P. (2006) In Applied Physics Letters 89.
Abstract
Au nanoparticles and Au films for growth of nanowires on the GaAs(111)B surface have been studied by a combination of experimental and theoretical techniques. If Au is present in either form, annealing to temperatures relevant for nanowire growth results in the formation of a thin Au wetting layer. Based on density functional theory calculations and experimental data, a structural model is proposed with an Au atom on every third threefold hollow hcp site of the Ga lattice. The authors observe that the stability of Au nanoparticles is governed by the presence of the wetting layer and outdiffusion of Au from the nanoparticles.
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author
; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Physics Letters
volume
89
article number
251912
publisher
American Institute of Physics (AIP)
external identifiers
  • wos:000243415200036
  • scopus:33845925514
ISSN
0003-6951
DOI
10.1063/1.2416315
language
English
LU publication?
yes
id
0eb36fdb-1bdd-4499-a902-e5de92b05685 (old id 634111)
date added to LUP
2016-04-04 11:00:25
date last changed
2022-02-13 20:38:54
@article{0eb36fdb-1bdd-4499-a902-e5de92b05685,
  abstract     = {{Au nanoparticles and Au films for growth of nanowires on the GaAs(111)B surface have been studied by a combination of experimental and theoretical techniques. If Au is present in either form, annealing to temperatures relevant for nanowire growth results in the formation of a thin Au wetting layer. Based on density functional theory calculations and experimental data, a structural model is proposed with an Au atom on every third threefold hollow hcp site of the Ga lattice. The authors observe that the stability of Au nanoparticles is governed by the presence of the wetting layer and outdiffusion of Au from the nanoparticles.}},
  author       = {{Hilner, Emelie and Mikkelsen, Anders and Bolinsson, Jessica and Andersen, Jesper N and Lundgren, Edvin and Zakharov, Alexei and Yi, H. and Kratzer, P.}},
  issn         = {{0003-6951}},
  language     = {{eng}},
  publisher    = {{American Institute of Physics (AIP)}},
  series       = {{Applied Physics Letters}},
  title        = {{Au wetting and nanoparticle stability on GaAs(111)B}},
  url          = {{http://dx.doi.org/10.1063/1.2416315}},
  doi          = {{10.1063/1.2416315}},
  volume       = {{89}},
  year         = {{2006}},
}