| Fractal Growth of Zinc Dendrites |
SHAZIA AKBAR*, IFTIKHAR IMAM NAQVI , MAHBOOB MUHAMMAD and ERUM ZAHIR |
Department of Chemistry, University of Karachi, Karachi, Pakistan Fax: (92)481901819; E-mail: shaz-chem@hotmail.com; shazchem@gmail.com |
| Abstract
An insight into diffusion limited aggregation (DLA) guides the interpretation
of cluster designs. The structure and growth pattern of the
zinc dendrites are similar to the Witten-Sander DLA model. The fractal
dimension of zinc dendrites is 1.669 measured by Box-counting dimension
method. This value is quite similar to the two dimensional DLA
model (1.666). This fractal analysis suggested that zinc dendrites are
two dimensional aggregates , have fractal nature and formed on the
basis of DLA model. This study also revealed that zinc dendrites growth
pattern is affected by different experimental conditions such as concentration
of electrolyte, thickness of electrolyte layer, voltage variation,
solvent nature and anion variation. |
| Keywords
s Diffusion limited aggregation, Zinc dendrites, Fractal dimension, Box-counting dimension method |
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