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Size selected growth of nanodots: analytical prediction for the selected size

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Abstract

In size selected growth of metal and semiconductor nanodots the selected mean size is frequently larger than the size corresponding to the minimum of free energy of dots. This “overshooting” effect is studied here using a reaction kinetic model with size dependent growth kinetics in adatom processes and thermodynamical free energy difference of nanodots. We calculate analytical prediction for the selected mean size of the dots using stationary state approximation. It is shown, that the overshooting depends on the skewness of the Gaussian size distribution.

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Authors and Affiliations

  1. Department of Physical Sciences, University of Helsinki, P.O. Box 64, 00014, Helsinki, Finland

    K. A. Riekki

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  1. K. A. Riekki
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Correspondence to K. A. Riekki.

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Riekki, K.A. Size selected growth of nanodots: analytical prediction for the selected size. Eur. Phys. J. B 85, 185 (2012). https://doi.org/10.1140/epjb/e2012-30324-7

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  • DOI: https://doi.org/10.1140/epjb/e2012-30324-7

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