Thinning transitions in free-standing liquid-crystal films as the successive formation of dislocation loops

We describe a model for the layer-thinning transition in free-standing liquid-crystal films based on the successive, spontaneous formation of dislocation loops. As the film temperature increases and the smectic order and layer compressional modulus decrease, the condition for creating a dislocation...

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Veröffentlicht in:Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. - 1993. - 60(1999), 3 vom: 30. Sept., Seite R2456-9
1. Verfasser: Pankratz, S (VerfasserIn)
Weitere Verfasser: Johnson, P M, Hołyst, R, Huang, C C
Format: Aufsatz
Sprache:English
Veröffentlicht: 1999
Zugriff auf das übergeordnete Werk:Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
Schlagworte:Journal Article
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520 |a We describe a model for the layer-thinning transition in free-standing liquid-crystal films based on the successive, spontaneous formation of dislocation loops. As the film temperature increases and the smectic order and layer compressional modulus decrease, the condition for creating a dislocation loop of critical radius is met and a thinning is nucleated. The resulting equation for N, the number of smectic layers, as a function of temperature yields good fitting results to the thinning transitions obtained from several fluorinated compounds 
650 4 |a Journal Article 
700 1 |a Johnson, P M  |e verfasserin  |4 aut 
700 1 |a Hołyst, R  |e verfasserin  |4 aut 
700 1 |a Huang, C C  |e verfasserin  |4 aut 
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