Abstract
Irregular dendritic crystals of ammonium chloride (NH4C1) are grown two-dimensionally between two parallel glasses, one of which has rough surface. The pattern clearly reminds us of those of Witten-Sander diffusion-limited aggregation (DLA) model. The radius of gyration is measured to give the fractal dimension df=1.671 ±0.002, which is in good agreement with two-dimensional DLA. Our result implies that any random perturbations strong enough to overcome crystalline anisotropy always give rise to random DLA-like crystals, instead of otherwise regular dendritic crystals.
Original language | English |
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Pages (from-to) | 2487-2490 |
Number of pages | 4 |
Journal | journal of the physical society of japan |
Volume | 55 |
Issue number | 8 |
DOIs | |
Publication status | Published - Aug 1986 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)