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Anomalous bismuth-stabilized (2x1) reconstructions on GaAs(100) and InP(100) surfaces

Laukkanen, P ; Punkkinen, M P J ; Komsa, H-P ; Ahola-Tuomi, M ; Kokko, K ; Kuzmin, M ; Adell, Johan LU ; Sadowski, Janusz LU ; Perala, R E and Ropo, M , et al. (2008) In Physical Review Letters 100(8).
Abstract
First-principles phase diagrams of bismuth-stabilized GaAs- and InP(100) surfaces demonstrate for the first time the presence of anomalous (2 x 1) reconstructions, which disobey the common electron counting principle. Combining these theoretical results with our scanning-tunneling-microscopy and photoemission measurements, we identify novel (2 x 1) surface structures, which are composed of symmetric Bi-Bi and asymmetric mixed Bi-As and Bi-P dimers, and find that they are stabilized by stress relief and pseudogap formation.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
100
issue
8
article number
086101
publisher
American Physical Society
external identifiers
  • wos:000253764400035
  • scopus:40849145742
ISSN
1079-7114
DOI
10.1103/PhysRevLett.100.086101
language
English
LU publication?
yes
id
f03c33f3-b210-45a5-a3f6-f7c88cfb65c8 (old id 1185869)
date added to LUP
2016-04-01 11:43:39
date last changed
2022-01-26 17:17:44
@article{f03c33f3-b210-45a5-a3f6-f7c88cfb65c8,
  abstract     = {{First-principles phase diagrams of bismuth-stabilized GaAs- and InP(100) surfaces demonstrate for the first time the presence of anomalous (2 x 1) reconstructions, which disobey the common electron counting principle. Combining these theoretical results with our scanning-tunneling-microscopy and photoemission measurements, we identify novel (2 x 1) surface structures, which are composed of symmetric Bi-Bi and asymmetric mixed Bi-As and Bi-P dimers, and find that they are stabilized by stress relief and pseudogap formation.}},
  author       = {{Laukkanen, P and Punkkinen, M P J and Komsa, H-P and Ahola-Tuomi, M and Kokko, K and Kuzmin, M and Adell, Johan and Sadowski, Janusz and Perala, R E and Ropo, M and Rantala, T T and Vayrynen, I J and Pessa, M and Vitos, L and Kollar, J and Mirbt, S and Johansson, B}},
  issn         = {{1079-7114}},
  language     = {{eng}},
  number       = {{8}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Anomalous bismuth-stabilized (2x1) reconstructions on GaAs(100) and InP(100) surfaces}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.100.086101}},
  doi          = {{10.1103/PhysRevLett.100.086101}},
  volume       = {{100}},
  year         = {{2008}},
}