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ZB 10 - Soft Condensed Matter (R. Holyst)

We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!

Publication

CORRELATIONS IN A RIGID - FLEXIBLE DIBLOCK COPOLYMER SYSTEM

Author(s): HOLYST, R and SCHICK, M
Title: CORRELATIONS IN A RIGID - FLEXIBLE DIBLOCK COPOLYMER SYSTEM
Abstract: We study density-density, nematic-nematic, and density-nematic correlation functions in an incompressible system of diblock copolymers. Rigid parts are modeled as rods of thickness, and flexible parts as chains with freely rotating bonds. Hamiltonian contains interactions of the isotropic Flory-Huggins and Maier-Saupe forms. Correlation functions are calculated in Gaussian approximation, and are found to oscillate with a period equal to the length of the rigid part. They also that lamellar domain boundaries of systems with longer rods are than those with shorter ones, and that the linear density along any direction is anticorrelated with the order parameter nematic order in that direction. This latter effect is due to isotropy of the system, and is relatively independent of the and Flory-Huggins parameters. We also study the stability of system against nematic and lamellar perturbations, and show how the features of the phase diagram change with the Maier-Saupe parameter.
Pages: 730-740
Journal: JOURNAL OF CHEMICAL PHYSICS
Volume: 96
ID: ISI:A1992GY24900078
Year: 1992