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Czasopismo
2009 | 7 | 2 | 220-226
Tytuł artykułu

Study of the island morphology at the early stages of Fe/Mo(110) MBE growth

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We present theoretical study of morphology of Fe islands grown at Mo(110) surface in submonolayer MBE mode. We utilize atomistic SOS model with bond counting, and interactions of Fe adatom up to third nearest neighbors. We performed KMC simulations for different values of adatom interactions and varying temperatures. We have found that, while for the low temperature islands are fat fractals, for the temperature 500 K islands have faceted rhombic-like shape. For the higher temperature, islands acquire a rounded shape. In order to evaluate qualitatively morphological changes, we measured average aspect ratio of islands. We calculated dependence of the average aspect ratio on the temperature, and on the strength of interactions of an adatom with neighbors.
Wydawca

Czasopismo
Rocznik
Tom
7
Numer
2
Strony
220-226
Opis fizyczny
Daty
wydano
2009-06-01
online
2009-04-26
Twórcy
  • Institute of Physics, Academy of Science of the Czech Republic, Na Slovance 2, Prague, 18221, Czech Republic, goykolov@fzu.cz
  • Institute of Physics, Academy of Science of the Czech Republic, Na Slovance 2, Prague, 18221, Czech Republic
Bibliografia
  • [1] O. Fruchart et al., J. Phys. Condens. Mat. 19, 053001 (2007) http://dx.doi.org/10.1088/0953-8984/19/5/053001[Crossref]
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  • [12] A. F. Voter, Introduction to the Kinetic Monte Carlo Method, In: K. E. Sickafus, E. A. Kotomin (Ed.), Radiation Effects in Solids, (Springer, NATO Publishing Unit, Dordrecht, The Netherlands, 2005)
  • [13] M. Bode, O. Pietzsch, A. Kubetzka, R. Wiesendanger, Phys. Rev. Lett. 92, 067201 (2004) http://dx.doi.org/10.1103/PhysRevLett.92.067201[Crossref]
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  • [15] P. O. Jubert, O. Fruchart, C. Meyer, Phys. Rev. B 64, 115419 (2001) http://dx.doi.org/10.1103/PhysRevB.64.115419[Crossref]
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-008-0124-z
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