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Authors
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Luchnikov, V. ; Kondyurin, A.V. ; Formanek, P. ; Lichte, H. ; Stamm, M.
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Title
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Moiré patterns in superimposed nanoporous thin films derived from block-copolymer assemblies
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Date
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31.12.2007
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Number
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15801
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Abstract
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Nanoscale rotation moiré patterns are observed in double-layer nanoporous thin films produced with use of block-copolymer self-assembly. Periodic hexagonal moiré superstructures appear when the films possessing long-range order are superimposed at small misorientation angles. Overlapping films misoriented by angles close to 30 generate aperiodic quasi-crystal-like superstructures with 5-fold symmetries. The stacking of the disordered nanoporous films produces labyrinth-like patterns. Block-copolymer moiré superstructures are promising as nanolithography masks with controllable morphology and periodicity.
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Publisher
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Nano letters
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Wikidata
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Citation
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Nano letters 7 (2007) 3628-3632
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DOI
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https://doi.org/10.1021/nl071844k
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Tags
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arrays lithography fabrication graphite
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