Dynamic Light Scattering in a Sponge Phase of a Nonionic Surfactant

Yasuyuki Kimura, Junichi Oizumi, Reinosuke Hayakawa

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

The fluctuation of bilayers in the sponge (L3) phase of the binary mixture of a nonionic surfactant, pentaethylene glycol dodecyl ether (C12E5), and water is studied by the dynamic light scattering spectroscopy. In concentrated solution, the autocorrelation function of the scattered light intensity shows almost a single exponential decay and the inverse of correlation time Γ is proportional to the square of scattering wavevector q. In dilute solution, the autocorrelation function shows a stretched exponential decay and the dispersion of Γ shows a crossover behavior from Γ∝q2 to Γ∝q3 as q increases. It is found that the dispersions of Γ at various concentrations and temperatures can be scaled into the universal curve. The results for dilute solution are compared with a recent theory concerning to the thermal fluctuation of membranes.

本文言語英語
ページ(範囲)559-567
ページ数9
ジャーナルMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
332
DOI
出版ステータス出版済み - 1 1 1999
外部発表はい

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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