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Topographical confinement is used to template the formation of nanoscale domains in a self‐assembled block copolymer film. The topographical template controls the row spacings and feature dimensions of the copolymer and can deliberately introduce defects in the arrays (see Figure). For example, a sharp edge feature leads to a missing domain and pins the lateral position of the polymer array. (See also inside cover.)
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Cheng et al. (2003) studied this question.
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