Thermoreversible, epitaxial fcc ↔ bcc transitions in block copolymer solutions

Joona Bang*, Timothy P. Lodge, Xiaohui Wang, Kristin L. Brinker, Wesley R. Burghardt

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

The thermoreversible, epitaxial fcc ↔ bcc transitions were studied in block copolymer solutions. The highly aligned fcc crystals were seen to transform epitaxially to bcc crystals using small-angle x-ray scattering on shear-oriented solutions. The transition was found to be driven by decreasing solvent selectivity with increasing temperature, including solvent penetration of the micellar core.

Original languageEnglish (US)
Article number215505
Pages (from-to)2155051-2155054
Number of pages4
JournalPhysical review letters
Volume89
Issue number21
StatePublished - Nov 18 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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