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Article Dans Une Revue Journal of Applied Physics Année : 2014

The early stage of formation of self-organized nanocolumns in thin films: Monte Carlo simulations versus atomic-scale observations in Ge-Mn

Etienne Talbot
Cristelle Pareige
Rodrigue Lardé
D. Blavette

Résumé

Formation kinetics of self-organized nanocolumns during epitaxial growth of a thin film composed of immiscible elements (A,B) has been investigated using Kinetic Monte Carlo simulations. Simulated nanostructures show a good agreement with those observed in Ge-Mn using Atom Probe Tomography and Transmission Electron Microscopy. Self organisation is observed although the rigid lattice simulations used do not account for misfit elastic strain. Simulations reveal that the final nanostructure, in term of number density and diameter of nanocolumns, is controlled by the early stages of growth of the film. The influence of both growth temperature and solute concentration on the nanostructure features is discussed in details. V C 2014 AIP Publishing LLC.
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Dates et versions

hal-01633479 , version 1 (28-02-2019)

Identifiants

Citer

I. Mouton, Etienne Talbot, Cristelle Pareige, Rodrigue Lardé, D. Blavette. The early stage of formation of self-organized nanocolumns in thin films: Monte Carlo simulations versus atomic-scale observations in Ge-Mn. Journal of Applied Physics, 2014, 115 (5), ⟨10.1063/1.4864271⟩. ⟨hal-01633479⟩
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