Strong-segregation theory of bicontinuous phases in block copolymers

Peter D. Olmsted, Scott T. Milner

Research output: Contribution to journalArticlepeer-review

80 Scopus citations

Abstract

We compute phase diagrams for diblock copolymers in the strong-segregation regime as a function of volume fraction φ. We include the ordered bicontinuous double-diamond (OBDD) phase, which is found to be stable between cylinders and lamellae, consistent with experiment, for φ (or 1-φ) between 0.19 and 0.27. Our phase diagram relies on taking into account the hexagonal shape of the unit cell for the cylindrical phase, and the unique geometry of the OBDD phase.

Original languageEnglish (US)
Pages (from-to)936-939
Number of pages4
JournalPhysical review letters
Volume72
Issue number6
DOIs
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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