期刊
PHYSICAL REVIEW E
卷 79, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.79.011403
关键词
colloids; crystallisation; sedimentation; silicon compounds
资金
- NSF [DMR0602684]
- Harvard MRSEC [DMR0213805]
We present a confocal microscopy study of 1.55 mu m monodisperse silica hard spheres as they sediment and crystallize at the bottom wall of a container. If the particles sediment onto a feature less flat wall, the two bottom layers crystallize simultaneously and layerwise growth follows. If the wall is replaced by a hexagonal template, only layerwise growth occurs. Our results complement earlier numerical simulations and experiments on other colloidal systems.
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