Volume 60, Number 3, November I 2002
|Page(s)||397 - 403|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||01 October 2002|
Fractal patterns in binary semiconductors by electrochemical deposition
Institute of Physics - Sachivalaya Marg,
Bhubaneswar 751005, India
Accepted: 12 August 2002
In this letter, we report the branched fractal patterns (BFP) of binary semiconductors ( and ) by electrochemical deposition. Clear fractals are observed for , whereas fractals with scattered grains are observed for . The higher the current density the more favorable the formation of BFP, whereas low current density favors the growth of scattered grains. This suggests the growth of by two different mechanisms and is supported by the bimodal size distributions observed for samples that show BFP with scattered grains. The BFP of and are discussed on the basis of the multiparticle Monte Carlo model described in the literature.
PACS: 61.43.Hv – Fractals; macroscopic aggregates (including diffusion-limited aggregates) / 61.46.+w – Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals / 81.07.-b – Nanoscale materials and structures: fabrication and characterization
© EDP Sciences, 2002
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