Direct measurement of interfacial curvature distributions in a bicontinuous block copolymer morphology

Hiroshi Jinnai, Yukihiro Nishikawa, Richard J. Spontak, Steven D. Smith, David A. Agard, Takeji Hashimoto

研究成果: Article査読

155 被引用数 (Scopus)

抄録

Self-consistent field theory predicts that the complex phase behavior of block copolymers does not originate solely from the interface seeking constant mean curvature as once thought, but instead reflects competing minimization of interfacial tension and packing frustration. To test this prediction, we directly measure interfacial curvature distributions from a 3D image reconstruction of the bicontinuous gyroid morphology. Results obtained here reveal that the gyroid interface is not constant mean curvature and confirm the importance of packing frustration in the stabilization of such complex nanostructures.

本文言語English
ページ(範囲)518-521
ページ数4
ジャーナルPhysical review letters
84
3
DOI
出版ステータスPublished - 2000
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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