Confinement of columnar diblock copolymers: Simulations, theory and applications |
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| Authors: | GG Pereira |
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| Institution: | (1) Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK and Department of Mechanical Engineering, University of Sydney, NSW, 2006, Australia, AU |
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| Abstract: | The inherent nanoscale morphologies of self-organizing diblock copolymer melts are now being investigated for a variety of
technological applications. To obtain global, well-oriented, regular patterns requires suitably confining and aligning the
melt between two flat plates. Here we consider such confinement for an asymmetrical diblock melt, which forms columns of the
minority phase in a matrix of the majority phase. We investigate this system with a combination of numerical simulations and
strong segregation theory and make suggestions as to when perpendicular orientation should prevail over parallel orientation
of the columns.
Received 22 May 2001 and Received in final form 14 February 2002 |
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| Keywords: | PACS 61 30 -v Liquid crystals – 68 03 Cd Surface tension and related phenomena – 61 41 +e Polymers elastomers and plastics |
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