Fractal nature of porous silicon nanocrystallites

T. Nychyporuk, V. Lysenko, and D. Barbier
Phys. Rev. B 71, 115402 – Published 1 March 2005

Abstract

Experimental study of the hydrogen coverage of a nanoporous silicon-specific surface reveals a fractal nature of the surface of silicon nanocrystallites constituting the porous layer. A fractal model describing the nanocrystallite morphology is elaborated. The evolution of the nanocrystallites’ fractal dimension (2.12.4) along with porosity is deduced from a correlation of the model to the experimental measurements of hydrogen concentration.

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  • Received 8 May 2004

DOI:https://doi.org/10.1103/PhysRevB.71.115402

©2005 American Physical Society

Authors & Affiliations

T. Nychyporuk, V. Lysenko, and D. Barbier

  • Materials Physics Laboratory (LPM), CNRS UMR-5511, INSA de Lyon, 7 Avenue Jean Capelle, Bâtiment Blaise Pascal, 69621 Villeurbanne Cedex, France

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Issue

Vol. 71, Iss. 11 — 15 March 2005

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