Liquid Crystal Colloids
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Liquid Crystal Colloids
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Author : Igor Muševič
language : en
Publisher: Springer
Release Date : 2017-05-14
Liquid Crystal Colloids written by Igor Muševič and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-14 with Science categories.
This book brings together the many concepts and discoveries in liquid crystal colloids contributed over the last twenty years and scattered across numerous articles and book chapters. It provides both a historical overview of the development of the field and a clear perspective on the future applications in photonics. The book covers all phenomena observed in liquid crystal colloids with an emphasis on experimental tools and applications of topology in condensed matter, as well as practical micro-photonics applications. It includes a number of spectacular manifestations of new topological phenomena not found or difficult to observe in other systems. Starting from the early works on nematic colloids, it explains the basics of topological defects in ordered media, charge and winding, and the elastic forces between colloidal particles in nematics. Following a detailed description of experimental methods, such as optical tweezing and particle tracking, the book eases the reader into the theoretical part, which deals with elastic deformation of nematic liquid crystals due to inclusions and surface alignment. This is discussed in the context of basic mean field Landau-de Gennes Q-tensor theory, with a brief explanation of the free-energy minimization numerical methods. There then follows an excursion into the topology of complex nematic colloidal structures, colloidal entanglement, knotting and linking. Nematic droplets, shells, handlebodies and chiral topological structures are addressed in separate chapters. The book concludes with an extensive chapter on the photonic properties of nematic dispersions, presenting the concept of integrated soft matter photonics and discussing the concepts of nematic and chiral nematic microlasers, surface-sensitive photonic devices and smectic microfibers. The text is complemented by a large bibliography, explanatory sketches and beautiful micrographs.
Dynamics And Structure Of Liquid Crystal Colloids
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Author : Roan James Lavery
language : en
Publisher:
Release Date : 2001
Dynamics And Structure Of Liquid Crystal Colloids written by Roan James Lavery and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Liquid Crystal Colloids
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Author : Igor Muševič
language : en
Publisher: Springer
Release Date : 2018-07-28
Liquid Crystal Colloids written by Igor Muševič and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-28 with Science categories.
This book brings together the many concepts and discoveries in liquid crystal colloids contributed over the last twenty years and scattered across numerous articles and book chapters. It provides both a historical overview of the development of the field and a clear perspective on the future applications in photonics. The book covers all phenomena observed in liquid crystal colloids with an emphasis on experimental tools and applications of topology in condensed matter, as well as practical micro-photonics applications. It includes a number of spectacular manifestations of new topological phenomena not found or difficult to observe in other systems. Starting from the early works on nematic colloids, it explains the basics of topological defects in ordered media, charge and winding, and the elastic forces between colloidal particles in nematics. Following a detailed description of experimental methods, such as optical tweezing and particle tracking, the book eases the reader into the theoretical part, which deals with elastic deformation of nematic liquid crystals due to inclusions and surface alignment. This is discussed in the context of basic mean field Landau-de Gennes Q-tensor theory, with a brief explanation of the free-energy minimization numerical methods. There then follows an excursion into the topology of complex nematic colloidal structures, colloidal entanglement, knotting and linking. Nematic droplets, shells, handlebodies and chiral topological structures are addressed in separate chapters. The book concludes with an extensive chapter on the photonic properties of nematic dispersions, presenting the concept of integrated soft matter photonics and discussing the concepts of nematic and chiral nematic microlasers, surface-sensitive photonic devices and smectic microfibers. The text is complemented by a large bibliography, explanatory sketches and beautiful micrographs.
Liquid Crystal Colloids
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Author : Igor Muševič
language : en
Publisher: Springer
Release Date : 2017-05-22
Liquid Crystal Colloids written by Igor Muševič and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-22 with Science categories.
This book brings together the many concepts and discoveries in liquid crystal colloids contributed over the last twenty years and scattered across numerous articles and book chapters. It provides both a historical overview of the development of the field and a clear perspective on the future applications in photonics. The book covers all phenomena observed in liquid crystal colloids with an emphasis on experimental tools and applications of topology in condensed matter, as well as practical micro-photonics applications. It includes a number of spectacular manifestations of new topological phenomena not found or difficult to observe in other systems. Starting from the early works on nematic colloids, it explains the basics of topological defects in ordered media, charge and winding, and the elastic forces between colloidal particles in nematics. Following a detailed description of experimental methods, such as optical tweezing and particle tracking, the book eases the reader into the theoretical part, which deals with elastic deformation of nematic liquid crystals due to inclusions and surface alignment. This is discussed in the context of basic mean field Landau-de Gennes Q-tensor theory, with a brief explanation of the free-energy minimization numerical methods. There then follows an excursion into the topology of complex nematic colloidal structures, colloidal entanglement, knotting and linking. Nematic droplets, shells, handlebodies and chiral topological structures are addressed in separate chapters. The book concludes with an extensive chapter on the photonic properties of nematic dispersions, presenting the concept of integrated soft matter photonics and discussing the concepts of nematic and chiral nematic microlasers, surface-sensitive photonic devices and smectic microfibers. The text is complemented by a large bibliography, explanatory sketches and beautiful micrographs.
Liquid Crystals With Nano And Microparticles
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Author : Jan P F Lagerwall
language : en
Publisher: World Scientific
Release Date : 2016-10-10
Liquid Crystals With Nano And Microparticles written by Jan P F Lagerwall and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-10 with Science categories.
While liquid crystals are today widely known for their successful application in flat panel displays (LCDs), academic liquid crystal research is more and more targeting situations where these anisotropic fluids are put to completely different use, in varying contexts. A particularly strong focus is on colloidal liquid crystals, where particles, bubbles or drops are dispersed in a liquid crystal phase. The liquid crystal can act as a host phase, with the inclusions constituting foreign guests that disturb the local order in interesting ways, often resulting in large-scale positional arrangement and/or uniform alignment of the guests. But it may also be formed by solid particles themselves, if these are of nanoscale dimensions and of disc- or rod-shape, and if they are suspended in an isotropic liquid host at sufficient concentration. This book aims to cover both the modern research tracks, gathering pioneering researchers of the different subfields to give a concise overview of the basis as well as the prospects of their respective specialties. The scope spans from curiosity-driven fundamental scientific research to applied sciences. Over the course of the next decade, the former is likely to generate new tracks of the latter type, considering the exploratory and productive phase of this young research field. Contents:Introduction (G Scalia and J P F Lagerwall)Volume 1:Fundamentals:A Phenomenological Introduction to Liquid Crystals and Colloids (J P F Lagerwall)Nanoparticle Dispersions: A Colloid and Polymer Solution Perspective (P van der Schoot)Nematic Liquid Crystals Doped with Nanoparticles: Phase Behavior and Dielectric Properties (M A Osipov and M V Gorkunov)Methods for Studying Liquid Crystals and Their Inclusions:Conventional and Nonlinear Optical Microscopy of Liquid Crystal Colloids (T Lee and I I Smalyukh)X-Ray Scattering (G Ungar, Z Chen and X Zeng)Raman Spectroscopy (H F Gleeson) Manipulation of Inclusions with Optical Tweezers (M Skarabot)Atomic Force Microscopy on Liquid Crystals (C Bahr and B Schulz)Micron Scale Inclusions in Liquid Crystals:Solid Microparticles in Nematic Liquid Crystals (Igor Muševič) Inclusions in Freely Suspended Smectic Films (R Stannarius and K Harth)Liquid Crystal-Enabled Electrophoresis and Electro-Osmosis (O D Lavrentovich)Volume 2:Nanoparticles in Liquid Crystals:Nanoparticles in Discotic Liquid Crystals (S Kumar)Metallic and Semiconducting Nanoparticles in LCs (A Sharma, M Urbanski, T Moria, H-S Kitzerow and T Hegmann)Inorganic Nanotubes and Nanorods in Liquid Crystals (I Drevenšek-Olenik)Liquid Crystals from Mesogens Containing Gold Nanoparticles (W Lewandowski and E Gorecka)Carbon Nanotubes in Thermotropic Low Molar Mass Liquid Crystals (S Schymura, J Park, I Dierking and G Scalia)Carbon Nanotubes Dispersed in Liquid Crystal Elastomers (Y Yang and Y Ji)Ferromagnetic and Ferroelectric Nanoparticles in Liquid Crystals (Y Reznikov, A Glushchenko and Y Garbovskiy)Nanoparticle Guests in Lyotropic Liquid Crystals (S Dölle, J H Park, S Schymura, Hyeran Jo, G Scalia and J P F Lagerwall)Control of Nanoparticle Self-Assemblies Using Distorted Liquid Crystals (E Lacaze and D Coursault)Nanoparticles and Networks Created Within Liquid Crystals (S-W Kang and S Kundu)Liquid Crystals Formed by Nanoparticle Suspensions:Nematic Phase Formation in Suspensions of Carbon Nanotubes (C Zakri and Ph Poulin)Nematic Phase Formation in Suspensions of Graphene Oxide (N Fresneau and S Campidelli)Electro-Optical Switching of Liquid Crystals of Graphene Oxide (J Song)Liquid Crystalline Phases in Suspensions of Pigments in Non-Polar Solvent (S Klein, R Richardson and A Eremin)Cholesteric Liquid Crystal Formation in Suspensions of Cellulose Nanocrystals (C Honorato-Rios, J Bruckner, C Schütz, S Wagner, Z Tosheva, L Bergström and J P F Lagerwall)Subject Index Readership: This book would be beneficial as a reference work for researchers active in the field as well as for other researchers aiming to enter the field.
Dynamics And Structure Of Liquid Crystal Colloids
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Author : Roan James Lavery
language : en
Publisher:
Release Date : 2001
Dynamics And Structure Of Liquid Crystal Colloids written by Roan James Lavery and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Topological Microfluidics
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Author : Anupam Sengupta
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-13
Topological Microfluidics written by Anupam Sengupta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-13 with Science categories.
This work represents one of the first comprehensive attempts to seamlessly integrate two highly active interdisciplinary domains in soft matter science – microfluidics and liquid crystals (LCs). Motivated by the lack of fundamental experiments, Dr. Sengupta initiated systematic investigation of LC flows at micro scales, gaining new insights that are also suggestive of novel applications. By tailoring the surface anchoring of the LC molecules and the channel dimensions, different topological constraints were controllably introduced within the microfluidic devices. These topological constraints were further manipulated using a flow field, paving the way for Topological Microfluidics. Harnessing topology on a microfluidic platform, as described in this thesis, opens up capabilities beyond the conventional viscous-dominated microfluidics, promising potential applications in targeted delivery and sorting systems, self-assembled motifs, and novel metamaterial fabrications.
Introduction To Soft Matter
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Author : Ian W. Hamley
language : en
Publisher: Wiley-Blackwell
Release Date : 2000-04-14
Introduction To Soft Matter written by Ian W. Hamley and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-04-14 with Science categories.
Covering all types of soft matter, this unique book provides an easily accessible introduction to both theory and applciations.
Fluids Colloids And Soft Materials
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Author : Alberto Fernandez-Nieves
language : en
Publisher: John Wiley & Sons
Release Date : 2016-04-27
Fluids Colloids And Soft Materials written by Alberto Fernandez-Nieves and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-27 with Technology & Engineering categories.
This book presents a compilation of self-contained chapters covering a wide range of topics within the broad field of soft condensed matter. Each chapter starts with basic definitions to bring the reader up-to-date on the topic at hand, describing how to use fluid flows to generate soft materials of high value either for applications or for basic research. Coverage includes topics related to colloidal suspensions and soft materials and how they differ in behavior, along with a roadmap for researchers on how to use soft materials to study relevant physics questions related to geometrical frustration.
The Physics And Application Of Liquid Crystal Ferroelectric Particles Colloids
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Author : Fenghua Li
language : en
Publisher:
Release Date : 2008
The Physics And Application Of Liquid Crystal Ferroelectric Particles Colloids written by Fenghua Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Colloids categories.
The liquid crystalline phases have been of great fundamental interest and at the same time found enormous recent application in display and photonic devices. Much effort has been put into developing new type liquid crystals, with fast response times, higher birefringence, low driving voltage and so on, but the chemical synthesis of obtaining such LCs can often be difficult. By contrast, this thesis utilizes ferroelectric colloidal dispersions to dope liquid crystals. Colloids in liquid crystalline hosts present new physical features as the anisotropic intermolecular interactions compete against colloidal interactions. These dilute colloids are stable since the particles were coated with surfactant. Most particles remain separated at a certain stable distance. Because the particles are so small, they do not disturb the LC orientation. The colloids therefore are macroscopically homogeneous and appear similar to a pure liquid crystal with no visible evidence of the dispersed particles. At the same time, nanoparticles are large enough to maintain their ferroelectricity and integrate these intrinsic properties with the LC host. In this thesis, I focus on physics of these ferroelectric liquid crystals colloids and describe a new non-synthetic method of modifying the properties of existing liquid crystals by doping them with surfactant-processed ferroelectric nanoparticles. Special attention was paid to investigate the electro-optic properties of ferroelectric nematic colloids for display applications. At very low concentration, sub-micron ferroelectric particles show very fascinating enhancement to liquid crystal mixtures, such as, higher birefringence ([delta]n), higher dielectric anisotropy, and T[subscript ni] temperature and so on. These results indicate that low concentrated ferroelectric nanoparticles may enhance the orientational ordering of nematic liquid crystals. Traditionally, by changing the molecular structure, the molecular type, and polarizability, people can synthesize and modify the long-rang macroscopic properties of LC mixtures. Not only the time and effort are huge, but also the results of synthesis, such as clearing point and viscoelastic properties, can not be predicted. Doping ferroelectric nanoparticles is a simple and effective approach to control and modify LC properties.