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On the Control of Nematic Liquid Crystal Alignment

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Title: On the Control of Nematic Liquid Crystal Alignment
Authors: Ata Alla, Rasha Mohamed Saeed
Issue Date: 7-May-2013
University: Göteborgs universitet. Naturvetenskapliga fakulteten
Institution: Department of Physics ; Institutionen för fysik
Parts of work: I. Composite Materials Containing Perfluorinated and Siloxane Units for Vertical Alignment of Liquid Crystals, Rasha Ata Alla, Gurumurthy Hegde, Lachezar Komitov, Andrea Morelli, Emo Chiellini, Giancarlo Galli, Soft Nanoscience Letters, 3, 11 (2013).

II. Nano-Engineering of New Photoreactive Materials Having Fluorine Units: Synthesis and Photoalignment of Liquid Crystals, Rasha Ata Alla, Gurumurthy Hegde, Arun M. Isloor, Boodappa Chandrakantha, Shridhar Malladi, M. M. Yusoff, and Lachezar Komitov, Soft Nanoscience Letters, 3, 1 (2013).

III. Azo Containing Thiophene Based Prop-2-enoates for Photoalignment of a Nematic Liquid Crystal, Gurumurthy Hegde, Rasha Ata Alla, Avtar Matharu, Lachezar Komitov, accepted by Journal of Materials Chemistry C.

IV. Thickness Dependence of The Anchoring Energy of a Nematic Cell, R. M. S. Ataalla, G. Barbero, and L. Komitov, Journal of Applied Physics 113, 164501 (2013).

V. Light-control of Liquid Crystal Alignment from Vertical to Planar, Rasha Ata Alla, Gurumurthy Hegde, and Lachezar Komitov, submitted for publication to Applied Physics Letters.
Date of Defence: 2013-06-12
Disputation: 10 am, Hall kb, Kemigården 4, Chalmers, Göteborg.
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Abstract: Liquid crystal displays (LCDs) are incorporated in a great variety of electronic devices such as laptops, mobile phones, TV sets, etc. The performance of LCDs depends strongly on the alignment of liquid crystal and therefore the reliable control of the alignment parameters, such as pretilt and anchoring strength, is of vital importance for the LCD industry. In this thesis are presented the results of the study of two categories of new alignment materials. The first category is composite photop... more
ISBN: ISBN 978-91-628-8685-1
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för fysik



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