Anisotropy of lamellar block copolymer grains

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

Research output: Contribution to journalArticle

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 ρ = 2.37. 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 languageEnglish (US)
Article number052802
JournalPhysical Review E
Volume66
Issue number5
DOIs
StatePublished - Nov 2002

Fingerprint

Block Copolymers
block copolymers
Anisotropy
anisotropy
Ellipsoid of revolution
Light Scattering
Transmission Electron Microscopy
ellipsoids
Aspect Ratio
Disorder
aspect ratio
light scattering
disorders
Calculate
transmission electron microscopy
Experiment

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Condensed Matter Physics
  • Statistical and Nonlinear Physics
  • Mathematical Physics

Cite this

Balsara, N. P., Marques, C. M., Garetz, B., Newstein, M. C., & Gido, S. P. (2002). Anisotropy of lamellar block copolymer grains. Physical Review E, 66(5), [052802]. https://doi.org/10.1103/PhysRevE.66.052802

Anisotropy of lamellar block copolymer grains. / Balsara, N. P.; Marques, C. M.; Garetz, Bruce; Newstein, M. C.; Gido, S. P.

In: Physical Review E, Vol. 66, No. 5, 052802, 11.2002.

Research output: Contribution to journalArticle

Balsara, NP, Marques, CM, Garetz, B, Newstein, MC & Gido, SP 2002, 'Anisotropy of lamellar block copolymer grains', Physical Review E, vol. 66, no. 5, 052802. https://doi.org/10.1103/PhysRevE.66.052802
Balsara, N. P. ; Marques, C. M. ; Garetz, Bruce ; Newstein, M. C. ; Gido, S. P. / Anisotropy of lamellar block copolymer grains. In: Physical Review E. 2002 ; Vol. 66, No. 5.
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