期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 8, 页码 1770-1773出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.1770
关键词
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We investigate the self-assembly of colloidal spheres on periodically patterned templates. The surface potentials and the surface phases are induced entropically by the presence of dissolved, nonadsorbing polymers. A rich variety of two-dimensional fluidlike and solidlike phases was observed to form on template potentials with both one- and two-dimensional symmetry. The same methodology was then used to nucleate an oriented single fee crystal more than 30 layers thick. The general approach provides a new route for directed self-assembly of novel mesoscopic structures.
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