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Fréedericksz transition in a thermoreversible nematic gel

URN to cite this document: urn:nbn:de:bvb:703-epub-3977-8

Title data

Müller, Matthias ; Schöpf, Wolfgang ; Rehberg, Ingo ; Timme, Andreas ; Lattermann, Günter:
Fréedericksz transition in a thermoreversible nematic gel.
In: Physical Review E. Vol. 76 (December 2007) Issue 6 . - Art.Nr. 061701.
ISSN 1550-2376
DOI der Verlagsversion: https://doi.org/10.1103/PhysRevE.76.061701

Format:	PDF
Name:	PhysRevE.76.061701.pdf
Version:	Published Version
Available under License	German copyright law. The document may be used free of charge for personal use. In addition, the reproduction, editing, distribution and any kind of exploitation require the written consent of the respective rights holder.

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Abstract

A thermoreversible (physical) gel of a nematic liquid crystal in its planar configuration is investigated. The transition temperatures of the gel are thermally and rheologically determined. The temperature for the nematic-isotropic transition is higher than that for the gel-sol transition, allowing the network to grow in the oriented nematic phase. The electrical Fréedericksz transition of the gel is investigated by using both an optical and an electrical detection method. The transition can be adjusted within a large voltage range by selecting the temperature of the sample. This behavior is determined by the thermal properties of the thermoreversible gel network.

Further data

Item Type:	Article in a journal
Keywords:	Orientational order of liquid crystals, electric and magnetic field effects on order; Gels and sols; Transitions in liquid crystals; Physical gels and microgels
DDC Subjects:	500 Science > 530 Physics
Institutions of the University:	Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg Profile Fields > Advanced Fields > Nonlinear Dynamics Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V Profile Fields Profile Fields > Advanced Fields Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors
Language:	English
Originates at UBT:	Yes
URN:	urn:nbn:de:bvb:703-epub-3977-8
Date Deposited:	25 Jan 2019 11:31
Last Modified:	03 Jul 2020 10:48
URI:	https://epub.uni-bayreuth.de/id/eprint/3977

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