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Author: August Bosse
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1. Well-Ordered Polymer Melts with 5 nm Lamellar Domains from Blends of a Disordered Block Copolymer and a Selectively Associating Homopolymer of Low or High Molar Mass
Vijay Tirumala, August W. Bosse, Eric K Lin, Vikram Daga, Alvin Romang, Jan Ilavsky, J J. Watkins
The use of short chain block copolymer melts as nanostructured templates for sub-10 nm domains is often limited by their low segregation strength (N). Since increasing molar mass to strengthen segregation also increases the interdomain spacin ...
2. Orientational Order in Block Copoloymer Films Zone Annealed Below the Order-Disorder Transition Temperature
Brian Berry, August W. Bosse, Jack F Douglas, Ronald Leland Jones, Alamgir Karim
Cold zone annealing (CZA) is a thermal treatment involving pulling a thin block copolymer (BCP) film over a heated region having a temperature significantly above the glass-transition temperature, but well below the film order-disorder temperature. W ...
3. Microdomain Ordering in Laterally Confined Block Copolymer Thin Films
August W. Bosse, Carlos Garcia-Cervera, Glenn Fredrickson
We examine the effects of small-scale, hexagonal, lateral confinement on microdomain ordering in $AB$ diblock copolymer thin films using self-consistent field theory (SCFT) simulations. Specifically, we examine a hexagonal confinement well with side ...
4. Block Copolymer Ordering With a Spatiotemporally Inhomogeneous Mobility
August W. Bosse, Jack F Douglas, Brian Berry, Ronald Leland Jones, Alamgir Karim
Motivated by recent measurements of zone annealing in block copolymer films at low temperatures, we implement a spatiotemporal mobility gradient with intrinsic variations associated with dynamic heterogeneities in the saddle point relaxation of a dib ...