Abstract
Conventional polarizing microscopy and Hoffman modulation contrast optics were used to investigate the defect structures of lamellar liquid crystalline phases in dilute anionic surfactant systems, i. e., those containing at least 85% water. Based on the results obtained an improved model of the so-called oily streak defects is proposed. It features two rows of edge dislocations which have wavy configurations due to buckling. Some defects in parabolic focal conic arrays are described.
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Dedicated to the memory of Professor Dr. B. Tamamushi.
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© 1983 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
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Benton, W.J., Miller, C.A. (1983). Topological features of oily streak defects and parabolic focal conics in dilute lamellar lyotropic liquid crystalline phases. In: Nakagaski, M., Shinoda, K., Matijević, E. (eds) Frontiers in Colloid Science In Memoriam Professor Dr. Bun-ichi Tamamushi. Progress in Colloid & Polymer Science, vol 68. Steinkopff. https://doi.org/10.1007/BFb0114142
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DOI: https://doi.org/10.1007/BFb0114142
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