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Download or read book Cristaux liquides nématiques dispersés dans les polymères, induction de l'orientation written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Pires
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (493 download)
Download or read book Vers une matérialisation des défauts topologiques d'un cristal liquide nématique written by David Pires and published by . This book was released on 2006 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les disinclinaisons sont des défauts linéaires fréquents dans les cristaux liquides nématiques, qui perturbent fortement l’orientation des molécules. Lorsque des billes de silice de taille microscopique sont dispersées au voisinage d’un tel objet, les distorsions qu’elles produisent interfèrent avec la distorsion du défaut. Il en résulte une force d’attraction sur les billes, de l’ordre du picoNewton. Cet outil de manipulation original nous a permis de former un collier en apportant une multitude de billes sur la disinclinaison et en l’utilisant comme moule à l’échelle microscopique. Nous avons ensuite tenté de solidifier l’objet fabriqué avec un film polymère synthétisé à la surface-même des billes de silice. Les propriétés de collage du film ont été étudiées au moyen d’une force appliquée sur des billes de silice fixées aux parois de la cellule. Le film se trouve aussi posséder d’intéressantes propriétés de mémorisation de l’orientation locale du directeur.
Author : Grégoire Porte
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (489 download)
Download or read book Contribution à l'étude de l'orientation des cristaux liquides nématiques par les surfaces solides written by Grégoire Porte and published by . This book was released on 1977 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Morteza Sasani Ghamsari
Publisher : BoD – Books on Demand
ISBN 13 : 1789853672
Total Pages : 200 pages
Book Rating : 4.7/5 (898 download)
Download or read book Liquid Crystals and Display Technology written by Morteza Sasani Ghamsari and published by BoD – Books on Demand. This book was released on 2020-10-07 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystals have attracted scientific attention for potential applications in advanced devices. Display technology is continuously growing and expanding and, as such, this book provides an overview of the most recent advances in liquid crystals and displays. Chapters cover such topics as nematic liquid crystals, active matrix organic light-emitting diodes, and tetradentate platinum(II) emitters, among others.
Author : Igor Muševič
Publisher : Springer
ISBN 13 : 3319549162
Total Pages : 313 pages
Book Rating : 4.3/5 (195 download)
Download or read book Liquid Crystal Colloids written by Igor Muševič and published by Springer. This book was released on 2017-05-14 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Haifeng Yu
Publisher : CRC Press
ISBN 13 : 9814411124
Total Pages : 272 pages
Book Rating : 4.8/5 (144 download)
Download or read book Dancing with Light written by Haifeng Yu and published by CRC Press. This book was released on 2015-02-25 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystal (LC) displays dominating in the present market of flat panel displays are generally based on interactions of light and LCs. Recent progress in this field indicates that integrating photochromic molecules into LC materials enables one to photomanipulate unique features such as photoinduced phase transition, photocontrolled alignment,
Author : Jerald L. Ericksen
Publisher : Springer Science & Business Media
ISBN 13 : 1461387434
Total Pages : 364 pages
Book Rating : 4.4/5 (613 download)
Download or read book Theory and Applications of Liquid Crystals written by Jerald L. Ericksen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This IMA Volume in Mathematics and its Applications AMORPHOUS POLYMERS AND NON-NEWTONIAN FLUIDS is in part the proceedings of a workshop which was an integral part of the 1984-85 IMA program on CONTINUUM PHYSICS AND PARTIAL DIFFERENTIAL EQUATIONS We are grateful to the Scientific Committee: Haim Brezis Constantine Dafermos Jerry Eri cksen David Kinderlehrer for planning and implementing an exciting and stimulating year-long program. We espe cially thank the Program Organizers, Jerry Ericksen, David Kinderlehrer, Stephen Prager and Matthew Tirrell for organizing a workshop which brought together scientists and mathematicians in a variety of areas for a fruitful exchange of ideas. George R. Sell Hans Weinberger Preface The diversity of experimental phenomena and the range of applications of liquid crystals present timely and challenging questions for experimentalists, mechanists, and mathematicians. The scope of this workshop was to bring together research workers and practitioners in these areas from laboratories, industry, and universities to explore common issues. The contents of this volume vary from descriptions of experimental phenomena, of which our understanding is insufficient, to questions of a mathematical nature and of efficient computation.
Author : Karel Dusˇek
Publisher : Springer Science & Business Media
ISBN 13 : 3642135315
Total Pages : 294 pages
Book Rating : 4.6/5 (421 download)
Download or read book Polymer Characterization written by Karel Dusˇek and published by Springer Science & Business Media. This book was released on 2010-08-07 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: -Shear-Induced Transitions and Instabilities in Surfactant Wormlike Micelles By S. Lerouge, J.-F. Berret -Laser-Interferometric Creep Rate Spectroscopy of Polymers By V. A. Bershtein, P. N. Yakushev -Polymer Nanocomposites for Electro-Optics: Perspectives on Processing Technologies, Material Characterization, and Future Application K. Matras-Postolek, D. Bogdal
Author : Dabir S. Viswanath
Publisher : Springer Science & Business Media
ISBN 13 : 1402054823
Total Pages : 669 pages
Book Rating : 4.4/5 (2 download)
Download or read book Viscosity of Liquids written by Dabir S. Viswanath and published by Springer Science & Business Media. This book was released on 2007-03-31 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is unique in that it brings together published viscosity data, experimental methods, theoretical, correlation and predictive procedures in a single volume. The readers will get a better understanding of why various methods are used for measuring viscosity of different types of liquids and why an experimental method is dependent on fluid characteristics, such as Newtonian or non-Newtonian fluids.
Author : Raoul Zana
Publisher : CRC Press
ISBN 13 : 1420007122
Total Pages : 577 pages
Book Rating : 4.4/5 (2 download)
Download or read book Giant Micelles written by Raoul Zana and published by CRC Press. This book was released on 2007-05-30 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: The co-evolution of a strong theoretical framework alongside application of a range of sophisticated experimental tools engendered rapid advancement in the study ofgiant micelles. Beginning with Anacker and Debye's 1951 experimental study of elongated micelles by light scattering and their subsequent theoretical inference that the thermodynamic
Author : Shri Singh
Publisher : World Scientific
ISBN 13 : 9789810242503
Total Pages : 556 pages
Book Rating : 4.2/5 (425 download)
Download or read book Liquid Crystals written by Shri Singh and published by World Scientific. This book was released on 2002 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystals are partially ordered systems without a rigid, long-range structure. The study of these materials covers a wide area: chemical structure, physical properties and technical applications. Due to their dual nature -- anisotropic physical properties of solids and rheological behavior of liquids -- and easy response to externally applied electric, magnetic, optical and surface fields liquid crystals are of greatest potential for scientific and technological applications. The subject has come of age and has achieved the status of being a very exciting interdisciplinary field of scientific and industrial research. This book is an outgrowth of the enormous advances made during the last three decades in both our understanding of liquid crystals and our ability to use them in applications. It presents a systematic, self-contained and up-to-date overview of the structure and properties of liquid crystals. It will be of great value to graduates and research workers in condensed matter physics, chemical physics, biology, materials science, chemical and electrical engineering, and technology from a materials science and physics viewpoint of liquid crystals.
Author : Dietrich Demus
Publisher : John Wiley & Sons
ISBN 13 : 3527620605
Total Pages : 556 pages
Book Rating : 4.5/5 (276 download)
Download or read book Handbook of Liquid Crystals, Volume 3 written by Dietrich Demus and published by John Wiley & Sons. This book was released on 2008-08-29 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Liquid Crystals is a unique compendium of knowledge on all aspects of liquid crystals. In over 2000 pages the Handbook provides detailed information on the basic principles of both low- and high-molecular weight materials, as well as the synthesis, characterization, modification, and applications (such as in computer displays or as structural materials) of all types of liquid crystals. The five editors of the Handbook are internationally renowned experts from both industry and academia and have drawn together over 70 leading figures in the field as authors. The three volumes of the Handbook are designed both to be used together or as stand-alone reference sources. Some users will require the whole set, others will be best served with one or two of the volumes. Volume 1 deals with the basic physical and chemical principles of liquid crystals, including structure-property relationships, nomenclature, phase behavior, characterization methods, and general synthesis and application strategies. As such this volume provides an excellent introduction to the field and a powerful learning and teaching tool for graduate students and above. Volume 2 concentrates on low-molecular weight materials, for example those typically used in display technology. A high quality survey of the literature is provided along with full details of molecular design strategies, phase characterization and control, and applications development. This volume is therefore by far the most detailed reference source on these industrially very important materials, ideally suited for professionals in the field. Volume 3 concentrates on high-molecular weight, or polymeric, liquid crystals, some of which are found in structural applications and others occur as natural products of living systems. A high-quality literature survey is complemented by full detail of the synthesis, processing, analysis, and applications of all important materials classes. This volume is the most comprehensive reference source on these materials, and is therefore ideally suited for professionals in the field.
Author : John Milnor
Publisher : Princeton University Press
ISBN 13 : 1400881803
Total Pages : 163 pages
Book Rating : 4.4/5 (8 download)
Download or read book Morse Theory. (AM-51), Volume 51 written by John Milnor and published by Princeton University Press. This book was released on 2016-03-02 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most cited books in mathematics, John Milnor's exposition of Morse theory has been the most important book on the subject for more than forty years. Morse theory was developed in the 1920s by mathematician Marston Morse. (Morse was on the faculty of the Institute for Advanced Study, and Princeton published his Topological Methods in the Theory of Functions of a Complex Variable in the Annals of Mathematics Studies series in 1947.) One classical application of Morse theory includes the attempt to understand, with only limited information, the large-scale structure of an object. This kind of problem occurs in mathematical physics, dynamic systems, and mechanical engineering. Morse theory has received much attention in the last two decades as a result of a famous paper in which theoretical physicist Edward Witten relates Morse theory to quantum field theory. Milnor was awarded the Fields Medal (the mathematical equivalent of a Nobel Prize) in 1962 for his work in differential topology. He has since received the National Medal of Science (1967) and the Steele Prize from the American Mathematical Society twice (1982 and 2004) in recognition of his explanations of mathematical concepts across a wide range of scienti.c disciplines. The citation reads, "The phrase sublime elegance is rarely associated with mathematical exposition, but it applies to all of Milnor's writings. Reading his books, one is struck with the ease with which the subject is unfolding and it only becomes apparent after re.ection that this ease is the mark of a master.? Milnor has published five books with Princeton University Press.
Author : Ben Chow
Publisher : CRC Press
ISBN 13 : 1439864519
Total Pages : 216 pages
Book Rating : 4.4/5 (398 download)
Download or read book Elliptic and Parabolic Methods in Geometry written by Ben Chow and published by CRC Press. This book was released on 1996-10-15 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the results of a workshop held at the Geometry Center (University of Minnesota, Minneapolis) and captures the excitement of the week.
Author : Juan M. Ruso
Publisher : CRC Press
ISBN 13 : 1498744974
Total Pages : 373 pages
Book Rating : 4.4/5 (987 download)
Download or read book Biopolymers for Medical Applications written by Juan M. Ruso and published by CRC Press. This book was released on 2017-02-17 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an experimental and computational account of the applications of biopolymers in the field of medicine. Biopolymers are macromolecules produced by living systems, such as proteins, polypeptides, nucleic acids, and polysaccharides. Their advantages over polymers produced using synthetic chemistry include: diversity, abundance, relatively low cost, and sustainability. This book explains techniques for the production of different biodevices, such as scaffolds, hydrogels, functional nanoparticles, microcapsules, and nanocapsules. Furthermore, developments in nanodrug delivery, gene therapy, and tissue engineering are described.
Author : Geoffrey R. Luckhurst
Publisher : John Wiley & Sons
ISBN 13 : 0470871954
Total Pages : 430 pages
Book Rating : 4.4/5 (78 download)
Download or read book Biaxial Nematic Liquid Crystals written by Geoffrey R. Luckhurst and published by John Wiley & Sons. This book was released on 2015-05-04 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the nematic liquid crystal phase, rod-shaped molecules move randomly but remain essentially parallel to one another. Biaxial nematics, which were first predicted in 1970 by Marvin Freiser, have their molecules differentially oriented along two axes. They have the potential to create displays with fast switching times and may have applications in thin-film displays and other liquid crystal technologies. This book is the first to be concerned solely with biaxial nematic liquid crystals, both lyotropic and thermotropic, formed by low molar mass as well as polymeric systems. It opens with a general introduction to the biaxial nematic phase and covers: • Order parameters and distribution functions • Molecular field theory • Theories for hard biaxial particles • Computer simulation of biaxial nematics • Alignment of the phase • Display applications • Characterisation and identification • Lyotropic, thermotropic and colloidal systems together with material design With a consistent, coherent and pedagogical approach, this book brings together theory, simulations and experimental studies; it includes contributions from some of the leading figures in the field. It is relevant to students and researchers as well as to industry professionals working in soft matter, liquid crystals, liquid crystal devices and their applications throughout materials science, chemistry, physics, mathematics and display engineering.
Author : Oleg D. Lavrentovich
Publisher : Springer Science & Business Media
ISBN 13 : 9401005125
Total Pages : 356 pages
Book Rating : 4.4/5 (1 download)
Download or read book Defects in Liquid Crystals: Computer Simulations, Theory and Experiments written by Oleg D. Lavrentovich and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topological defects are the subject of intensive studies in many different branches of physics ranging from cosmology to liquid crystals and from elementary particles to colloids and biological systems. Liquid crystals are fascinating materials which present a great variety of these mathematical objects and can therefore be considered as an extremely useful laboratory for topological defects. This book is the first attempt to present together complementary approaches to the investigations of topological defects in liquid crystals using theory, experiments and computer simulations.
