Role of dissimilar interfaces in thin films of cylinder-forming block copolymers | Zendy

K. S. Lyakhova | Zendy; G. J. A. Sevink | Zendy; A. V. Zvelindovsky | Zendy; A. Horvat | Zendy; R. Magerle | Zendy

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Role of dissimilar interfaces in thin films of cylinder-forming block copolymers

Author(s) -

K. S. Lyakhova,

G. J. A. Sevink,

A. V. Zvelindovsky,

A. Horvat,

R. Magerle

Publication year - 2003

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.1632475

Subject(s) - copolymer , cylinder , materials science , thin film , phase (matter) , block (permutation group theory) , surface (topology) , density functional theory , chemical physics , composite material , nanotechnology , polymer , chemistry , geometry , computational chemistry , mathematics , organic chemistry

We study the effect of dissimilar interfaces on the phase behavior of cylinder forming block copolymers in thin films by means of dynamic density-functional theory. In this article, we show that dissimilarity of the interfaces induces hybrid structures. These structures appear when the surface fields at the two interfaces stabilize different surface structures and/or reconstructions. We propose a general classification of hybrid structures and give an unifying description of phase behavior of cylinder forming block copolymer films. Our results are consistent with experimental observations.

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