Estimation of surface supersaturation in Monte Carlo simulations of single crystal growth

• Autorzy: Rak M. , Brozi A. , Żmija J.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The aim of this study is to propose a new calculation method using Monte Carlo simulations making it possible to estimate surface supersaturation and its transient behavior. Design/methodology/approach: Monte Carlo simulation method is used for investigations of crystal growth from microscopic point of view. It is assumed that the surface supersaturation may be represented by the number of growth units adsorbed on the crystal surface at any given moment. Findings: The presented method allows us to analyze the surface configuration of a growing crystal face and the mechanism of single crystal growth in various assumed growth conditions (supersaturation, temperature). Research limitations/implications: The results of the performed simulations show the influence of changes in bulk supersaturation on the behavior of surface supersaturation, which is very difficult to experimentally measure. In this way, some analytical results calculated previously and concerning transient behavior of surface supersaturation can also be verified. Originality/value: For the first time, Surface Roughening Coefficient (SRC) is defined and the method of its calculation is shown. The SRC coefficient allows us to estimate surface supersaturation determining growth mechanism and, in consequence, determining the quality of grown crystals. The results are useful for control of growth process to obtain good quality single crystals.

Słowa kluczowe

EN

crystal growth; materials science; Monte Carlo simulation; modelling

PL

wzrost kryształu; materiałoznawstwo; symulacja Monte Carlo; modelowanie

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2010
• Tom: Vol. 41, nr 1-2
• Strony: 91--95
• Opis fizyczny: Bibliogr. 20 poz., rys., tabl.

Twórcy

autor

Rak M.

autor

Brozi A.

autor

Żmija J.

• Institute of Physics, Technical University of Lodz, ul. Wólczańska 219, 90-924 Łódź, Poland,

Bibliografia

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