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Monique Roerdink, Mark A. Hempenius, Ullrich Gunst, Heinrich F. Arlinghaus and G. Julius Vancso Substrate Wetting and Topographically Induced Ordering of Amorphous PI-b-PFS Block-Copolymer Domains Small 3

Version of Record online: 6 JUL 2007 | DOI: 10.1002/smll.200700044

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Two-dimensional block-copolymer alignment in hexagonal grooves is achieved on the micrometer scale with amorphous PI-b-PFS. A depth-profiling study on thin films of these block copolymers indicates the presence of both phases at the substrate, which is of importance in elucidating the driving force in graphoepitaxial alignment of block-copolymer domains (see image).

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