Anisotropy of lamellar block copolymer grains

N. P. Balsara; C. M. Marques; B. A. Garetz; M. C. Newstein; S. P. Gido

doi:10.1103/PhysRevE.66.052802

Anisotropy of lamellar block copolymer grains

N. P. Balsara, C. M. Marques, B. A. Garetz, M. C. Newstein, S. P. Gido

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The Wulff construction and the theory of Milner and Morse [Phys. Rev. E 54, 3793 (1996)] were used to calculate the shape of grains formed when a lamellar block copolymer phase is formed by a shallow quench into the ordered state. The calculations show that the grains are ellipsoids of revolution, with an aspect ratio [formula presented] This value is in reasonable agreement with results of transmission electron microscopy and depolarized light scattering experiments, which indicate that the average value of ρ of grains formed during the early stages of the disorder-to-order transition is about 2.0.

Original language	English (US)
Pages (from-to)	4
Number of pages	1
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	66
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevE.66.052802
State	Published - Nov 25 2002

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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abstract = "The Wulff construction and the theory of Milner and Morse [Phys. Rev. E 54, 3793 (1996)] were used to calculate the shape of grains formed when a lamellar block copolymer phase is formed by a shallow quench into the ordered state. The calculations show that the grains are ellipsoids of revolution, with an aspect ratio [formula presented] This value is in reasonable agreement with results of transmission electron microscopy and depolarized light scattering experiments, which indicate that the average value of ρ of grains formed during the early stages of the disorder-to-order transition is about 2.0.",

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AU - Marques, C. M.

AU - Garetz, B. A.

AU - Newstein, M. C.

AU - Gido, S. P.

PY - 2002/11/25

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AB - The Wulff construction and the theory of Milner and Morse [Phys. Rev. E 54, 3793 (1996)] were used to calculate the shape of grains formed when a lamellar block copolymer phase is formed by a shallow quench into the ordered state. The calculations show that the grains are ellipsoids of revolution, with an aspect ratio [formula presented] This value is in reasonable agreement with results of transmission electron microscopy and depolarized light scattering experiments, which indicate that the average value of ρ of grains formed during the early stages of the disorder-to-order transition is about 2.0.

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Anisotropy of lamellar block copolymer grains

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