Undulational Instabilities of Smectic Thin Films on a Heterogeneous Patterned Surface Under Positive and Negative Strains: The Case of Diblock Copolymers
We consider the problem of a thin smectic film placed on a periodically striped solid surface, with stripe width λ, and with the upper surface free. The striped surface-smectic fluid interfacial energy induces the lamellae to align perpendicularly to the
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|Source:||Journal of Chemical Physics|
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