Abstract
The technique of growth surfaces under Molecular Beam Epitaxy (MBE) has received considerable attention for a wide range of technological and industrial applications. This approach provides a unique capability to grow crystalline thin films with precise control of thickness, composition and morphology. This enables scientists to build nanostructures as pyramidal objects or mounds. The evolution of the surface morphology during MBE growth results from a competition between the molecular flux and the relaxation of the surface profile through surface diffusion. The richness of patterns forming during MBE is determined solely by processes which occur locally at the surface.
Our aim is to describe the coarsening process by mathematical models. Analytical results on the surface roughness are provided. Numerical simulations are presented to show the roughening of the surface pattern and the evolution of the surface morphology in time in one-dimension.
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Acknowledgement
The described article was carried out as part of the EFOP-3.6.1-16-2016-00011 “Younger and Renewing University – Innovative Knowledge City – institutional development of the University of Miskolc aiming at intelligent specialisation” project implemented in the framework of the Szechenyi 2020 program. The realization of this project is supported by the European Union, co-financed by the European Social Fund.
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Bognár, G. (2018). Characterization of Surface Roughness for Growth Models. In: Jármai, K., Bolló, B. (eds) Vehicle and Automotive Engineering 2. VAE 2018. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-75677-6_47
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DOI: https://doi.org/10.1007/978-3-319-75677-6_47
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