Shake-induced order in nanosphere systems
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Self-assembled patterns obtained from a drying nanosphere suspension are investigated by computer simulations and simple experiments. Motivated by the earlier experimental results of Sasaki and Hane and Schöpe, we confirm that more ordered triangular lattice structures can be obtained whenever a moderate intensity random shaking is applied on the drying system. Computer simulations are realized on an improved version of a recently elaborated Burridge-Knopoff–type model. Experiments are made following the setup of Sasaki and Hane, using ultrasonic radiation as source for controlled shaking.
PACS.81.16.Rf Nanoscale pattern formation 81.07.-b Nanoscale materials and structures: fabrication and characterization
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