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Schematic illustration of the epitaxial assembly of 2D colloidal crystals under an AEF.
Time snapshots of the early stage of the epitaxial assembly of PS particles using a colloidal line as an epitaxial template, under an AEF of . (a) , (b) , (c) , and (d) .
(a) Frequency dependence of the orientational order parameter under an AEF. Also shown are the optical images of a perfectly oriented colloidal crystal (left inset, ) and a roughly oriented colloidal crystal (right inset, ), assembled at and for , respectively. (b) Variation of and nucleation rate in the bulk fluid phase with frequency for PS particles.
Optical images of epitaxial assembly of a 2D colloidal crystal composed of PS particles with a well-defined linear defect composed of PS particles. (a) Before and (b) after the application of the AEF at for . (c) Time snapshots showing a template-guided annealing process when the frequency is decreased from .
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