Stable addressable self-assembled dot arrays with an areal density of 1.3–3.8 teradot/in.2 and a resolution enhancement of at least a factor of 4 are achieved by combining block copolymers (BCPs) in the strong segregation limit, which have spherical microdomains (see inset), with chemically nanopatterned surfaces. The SEM image at the edge of a BCP thin film shows a dense BCP array (see figure, bottom) and the nanopatterned substrate (top).
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Xiao et al. (2009) studied this question.
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