Self Consistent Field Theory of Twist Grain Boundaries in Block Copolymers

Details Self Consistent Field Theory of Twist Grain Boundaries in Block Copolymers Self Consistent Field Theory of Twist Grain Boundaries in Block Copolymers

2000-05-24

arxiv.org/abs/cond-mat/0005429v1

J. Chem. Phys. 113, 5525 (2000)

Physics

Condensed Matter

Soft Condensed Matter

10 pages, 6 figures, submitted for publication

Scientific paper

10.1063/1.1289887

We apply self consistent field theory to twist grain boundaries of block copolymer melts. The distribution of monomers throughout the grain boundary is obtained as well as the grain boundary free energy per unit area as a function of twist angle. We define an intermaterial dividing surface in order to compare it with minimal surfaces which have been proposed. Our calculation shows that the dividing surface is not a minimal one, but the linear stack of dislocations seems to be a better representation of it for most angles than is Scherck's first surface.

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