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The Physics of Lyotropic Liquid CrystalsPhase Transitions and Structural Properties$
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Antônio M. Figueiredo Neto and Silvio R. A. Salinas

Print publication date: 2005

Print ISBN-13: 9780198525509

Published to Oxford Scholarship Online: January 2010

DOI: 10.1093/acprof:oso/9780198525509.001.0001

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Recent Developments And Related Areas

Recent Developments And Related Areas

(p.254) 8 Recent Developments And Related Areas
The Physics of Lyotropic Liquid Crystals

Antônio M. Figueiredo Neto

Silvio R. A. Salinas

Oxford University Press

This chapter discusses the interfaces between physics, chemistry, and other areas of study of the properties of lyotropic liquid crystals. It also considers interdisciplinary connections, in particular with the area of magnetic colloids (or ferrofluids), microemulsions, Langmuir–Blodgett films, and diblock copolymers, as well as a description of new lyotropic-like systems. Ferrofluids are smart materials that have been used to dope liquid crystals for different purposes. Since there are no sharp conceptual frontiers between lyotropics, in particular the isotropic phases, and microemulsions, the chapter discusses microemulsions formed by isolated aggregates and bicontinuous structures. Ultra thin and highly ordered films (Langmuir and Langmuir–Blodgett films) are also systems discussed in this chapter, including processes of deposition of thin films, characterization of these films, and some specific applications. The structural aspects and phase diagrams of diblock copolymers are presented. There is also a reference to the new lyotropic-type mixtures, as chromonic and lyo-banana systems.

Keywords:   ferrofluids, colloids, copolymers, Langmuir films, Langmuir–Blodgett films, lyo-banana systems, microemulsions

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