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Chirality in Liquid Crystals - Christian Bahr

PRIX: GRATUIT
FORMAT: PDF EPUB MOBI
DATE DE SORTIE: 31/01/2001
TAILLE DU FICHIER: 10,59
ISBN: 0-387-98679-0
LANGUE: FRANÇAIS
AUTEUR: Christian Bahr

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Description:

Objects that differ from their mirror images, such as the left and right hands, play an important role in physics at all length scales, from elementary particles to macroscopic systems. The handedness, or chirality, of the molecules constituting liquid crystals has a remarkable influence on the macroscopic physical properties of these systems, including the appearance of new phases. Indeed, the majority of optical applications of, liquid crystals is due to chiral structures, for example the thermochromic effect of cholesteric liquid crystals, the optical activity in twisted nematic liquid crystal displays, and the ferroelectric and antiferroelectric switching of smectic liquid crystals.This book describes the main aspects of chirality in liquid crystals and points out some of the open questions of current research. The chapters, each by an expert in the field, review the highlights of the important topics and representative questions in the field of chiral liquid crystals. Two of the chapters provide an overview (including suggestions for classroom experiments) so that the book will be of interest to teachers and researchers just entering the field in addition to those already working in liquid-crystal research.

...ditives are required for an expanding variety of liquid crystal displays and devices ... Download [PDF] Chirality In Liquid Crystals Free Online ... ... . Molecular conformation plays a critical role in determining the helical twisting power, HTP, of chiral additives. We studied additives based on an isosorbide benzoate ester core ... The handedness, or chirality, of molecules in liquid crystals has a remarkable influence on the macroscopic physical properties of these systems, including the appearance of new phases. Indeed, the majority of optical applications of liquid crystals is due to chiral s ... Chirality in liquid crystals - Journal of Materials ... ... . Indeed, the majority of optical applications of liquid crystals is due to chiral structures, namely the thermochromic effect of cholesteric liquid crystals, the optical activity in twisted nematic liquid ... Liquid crystals (LCs) are omnipresent in living matter, whose chirality is an elegant and distinct feature in certain plant tissues, the cuticles of crabs, beetles, arthropods, and beyond. Taking ... Chirality transfer across length-scales in nematic liquid crystals: fundamentals and applications†. Silvia Pieraccini a, Stefano Masiero a, Alberta Ferrarini * b and Gian Piero Spada * a a Alma Mater ...