Fluctuation-induced first-order transition of an isotropic system to a periodic state

Frank S. Bates, Jeffrey H. Rosedale, Glenn H. Fredrickson, Charles J. Glinka

Research output: Contribution to journalArticlepeer-review

163 Scopus citations

Abstract

Small-angle neutron-scattering data, obtained from a near-symmetric isotropic diblock copolymer, demonstrate non-mean-field behavior over a wide temperature range (? 57°C) above the weakly first-order microphase- separation transition. These results are quantitatively explained by a fluctuation theory based on the Hartree approximation employed by Brazovskii to describe such phase transitions.

Original languageEnglish (US)
Pages (from-to)2229-2232
Number of pages4
JournalPhysical Review Letters
Volume61
Issue number19
DOIs
StatePublished - Jan 1 1988

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