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Advances in Cholesteric Liquid Crystals

Author: Michel Mitov

Publisher: MDPI

Published: 2020-02-05

Total Pages: 122

ISBN-13: 303928228X

With their helical structure, cholesteric liquid crystals figure prominently in liquid crystal science. The selective reflection of light is their flagship property, and they offer a myriad of applications as advanced optical materials with multiscale properties. The cholesteric structure is also a ubiquitous design in the animal and plant kingdoms. This book contains eight contributions on fundamental investigations about defects, textures and structures of cholesteric materials, and experimental studies aimed at applications such as temperature sensors, head-up displays for improving automobile driving safety, or smart windows.

Advances in Cholesteric Liquid Crystals

Author: Michel Mitov

Publisher:

Published: 2020

Total Pages: 122

ISBN-13: 9783039282296

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Advances in Liquid Crystals

Author: Glenn H. Brown

Publisher: Academic Press

Published: 2013-10-22

Total Pages: 321

ISBN-13: 1483191346

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Advances in Liquid Crystals, Volume 2 covers the study of lyotropic and thermotropic liquid crystals. The five articles in this volume discuss topics such as the effects of change in molecular geometry on the properties of liquid crystals formed by nonamphiphilic (thermotropic) compounds; aspects of the physics and chemistry of cholesteric liquid crystals with respect to temperature dependence and temperature sensitivity of the selective reflection of visible light; arrangements of emulsifier molecules and the interaction between the different components in emulsions; the type of information about liquid crystals obtained from vibrational spectroscopy; and the continuum theory of liquid crystals as it applies to static equilibrium. The book will be invaluable to materials engineers, inventors, physicists, and researchers in the field of electronics.

New Developments in Liquid Crystals Research

Author: Anka Trajkovska Petkoska

Publisher: Nova Science Publishers

Published: 2015

Total Pages: 0

ISBN-13: 9781634824569

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Liquid crystals (LCs) were discovered over a century ago, but their profound impact was in the past four decades through their successful implementation into electronic devices that we are using every day. The research on liquid crystals actively continues in the 21st century and offers unlimited potential in various display or non-display applications. This book covers novel topics related to LCs and is intended for a wide range of researchers in both, academia and industry, from beginners to advanced level professionals in many scientific areas, viz. materials science and engineering, chemistry, physics, optics, photonics, nanotechnology, electrical engineering, and so on. The book contains topics on nematic and cholesteric LCs, in the form of films or particles, as well as modified LC behaviour with variety of dopants, micron and nano-sized particles, microencapsulation of LC particles and modelling of their behaviour under an externally applied field. Topics related to the effect on nanomaterials on LC behaviour, as well as structural and magnetic properties of different types of iron-containing liquid crystals (metallo-mesogens) are covered, as well. Finally, an overview of different alignment technologies for nematic liquid crystals such as mechanical rubbing of polymer films, obliquely-deposited inorganic films, photo-irradiated, IB-bombarded and patterned surfaces, are briefly reviewed along with several novel alignment concepts. The state of the art in respective fields related to LCs in each chapter is given by leading experts.

Nematic and Cholesteric Liquid Crystals

Author: Patrick Oswald

Publisher: CRC Press

Published: 2005-02-28

Total Pages: 775

ISBN-13: 1134357036

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Liquid crystals allow us to perform experiments that provide insight into fundamental problems of modern physics, such as phase transitions, frustration, elasticity, hydrodynamics, defects, growth phenomena, and optics (linear and non linear). This excellent volume meets the need for an up-to-date text on liquid crystals.Nematic and Cholesteric Liq

Advances in Liquid Crystals

Author: Glenn Halstead Brown

Publisher:

Published: 1979

Total Pages: 0

ISBN-13:

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Advances in Liquid Crystals

Author: Glenn H. Brown

Publisher:

Published: 1979

Total Pages: 232

ISBN-13: 9780120250042

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Advances in Liquid Crystals, Volume 4 is a collection of papers that deals with liquid crystal sciences, particularly the flow problems in liquid crystals, the effects of high pressure on liquid crystals, lyotropic and thermotropic polymeric liquid crystals, and the light-scattering properties of thermotropic liquid crystals. One paper reviews the continuum theory in flow problems in liquid crystals, presents theoretical predictions, and compares these with associated observations. High-pressure experiments in liquid crystals pave the way for discoveries involving pressure-induced mesomorphis ...

Polymer-modified Liquid Crystals

Author: Ingo Dierking

Publisher: Royal Society of Chemistry

Published: 2019-01-03

Total Pages: 387

ISBN-13: 1782629823

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A state-of-the-art account of current developments in polymer-dispersed liquid crystals and polymer-stabilized liquid crystals research.

Liquid Crystals

Author: Pankaj Kumar Choudhury

Publisher: BoD – Books on Demand

Published: 2018-02-28

Total Pages: 276

ISBN-13: 9535138715

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Liquid crystals exhibit amazingly interesting properties that make them indispensable for several technological applications. The book Liquid Crystals - Recent Advancements in Fundamental and Device Technologies is aimed to focus on various aspects of research and development that liquid crystal mediums have come across in recent years. This would be ranging from the physical and chemical properties to the important applications that the liquid crystals have in our everyday life. It is expected that the book will make the expert researchers to be abreast of recent research advancements, whereas the novice researchers will benefit from both the conceptual understanding and the recent developments in the area. Multitudes of research themes and directions pivoted to liquid crystals remain the essence, which the readers would get the glimpse of and move ahead for further investigations.

Applications of Liquid Crystals

Author: G. Meier

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 171

ISBN-13: 3642809545

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Over the past ten years liquid crystals have attracted much interest and considerable progress has been made with respect to our knowledge in this field. The recent development was initiated mainly by the work of J. L. Fergason and G. H. Heilmeier, who pointed out the importance of liquid crystals for thermographic and electro optic applications. The first part of this book is a brief introduction to the physics of liquid crystals. The structures and properties of the three basic types of liquid crystals are discussed. A special paragraph is devoted to electric-field effects, which are important in display applications. The chapter on Scientific Applications gives an insight into the potential applications of liquid crystals in fundamental research, with special emphasis on explaining the principles involved. Two groups of potential applications are discussed in detail: 1. the use of liquid crystals as anisotropic solvent for the determination of molecular properties by means of spectroscopy, and 2. their use in analytical chemistry, particularly in gas chromatography. The reverse process involves the use of the dissolved molecules as microscopic probes in the investigation of the dynamical molecular structure of anisotropic fluid systems (e.g. biological membranes). This extremely important technique is also described.