Electro-optical properties and (E, T) phase diagram of fluorinated chiral smectic liquid crystals

doi:10.1088/1674-1056/27/10/107701

Abstract

Fluorinated smectic liquid crystals each with a biphenyl benzoate rigid core are investigated. Molecular structures of the studied compounds have difference only in fluorine position and the length of the carbon chain. Dielectric relaxation study and electro-optical measurements are carried out with the classical SSFLC geometry. The field-induced phase transitions are studied and the (E,T) phase diagram is established.

Keywords: smectic liquid crystal dielectric relaxation electro-optical properties phase transition (E,T) phase diagram

Received: 03 April 2018
Revised: 25 July 2018
Accepted manuscript online:

PACS:	77.84.-s	(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
	77.80.-e	(Ferroelectricity and antiferroelectricity)
	64.70.M-	(Transitions in liquid crystals)
	64.70.mj	(Experimental studies of liquid crystal transitions)

Corresponding Authors: R Zgueb
E-mail: rihab_zgueb@yahoo.fr

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R Zgueb, H Dhaouadi, T Othman Electro-optical properties and (E, T) phase diagram of fluorinated chiral smectic liquid crystals 2018 Chin. Phys. B 27 107701

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Electro-optical properties and (E, T) phase diagram of fluorinated chiral smectic liquid crystals

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