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Nano segregation and thermal stability of TGB and re-entrant smectic-A phases in a ternary mixture of liquid crystalline materials

2016; Taylor & Francis; Volume: 625; Issue: 1 Linguagem: Inglês

10.1080/15421406.2015.1069011

ISSN

1563-5287

Autores

T. N. Govindaiah,

Tópico(s)

Surfactants and Colloidal Systems

Resumo

The ternary system of 4’-n-octyloxy-4-cyanobiphenyl (8OCB), 4-cyano-4’-Pentyl teraphenyl (5CT), and cholesteryl nonanoate (CN) exhibits very interesting unusual liquid crystalline phase of N* (cholesteric), twisted grain boundary (TGB) phase, and re-entrant smectic-A (ReSmA) phases and it is obtained sequentially when the specimen is cooled from isotropic phase. These phases have been characterized by using X-ray and optical texture studies. The temperature variations of electrical conductivity have been discussed.

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