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Rectangular Symmetry Morphologies in a Topographically Templated Block Copolymer
Author(s) -
Tavakkoli K. G. Amir,
Han Adam F.,
Gotrik Kevin W.,
AlexanderKatz Alfredo,
Ross Caroline A.,
Berggren Karl K.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201104895
Subject(s) - copolymer , square lattice , materials science , block (permutation group theory) , symmetry (geometry) , lattice (music) , square (algebra) , substrate (aquarium) , polymer science , nanotechnology , condensed matter physics , combinatorics , physics , polymer , composite material , geometry , mathematics , ising model , oceanography , geology , acoustics
Using an array of majority‐block‐functionalized posts makes it possible to locally control the self‐assembly of a block copolymer and achieve several morphologies on a single substrate. A template consisting of a square symmetry array of posts produces a square‐symmetry lattice of microdomains, which doubles the areal density of features.
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