Flexoelectricity In Solids From Theory To Applications
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Flexoelectricity In Solids From Theory To Applications
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Author : Alexander K Tagantsev
language : en
Publisher: World Scientific
Release Date : 2016-08-11
Flexoelectricity In Solids From Theory To Applications written by Alexander K Tagantsev and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-11 with Technology & Engineering categories.
This unique compendium is devoted to flexoelectricity — the response of polarization to a strain gradient. The effect is analogous to piezoelectricity which is the response of polarization to strain itself. In contrast to piezoelectricity, which appears only in non-centrosymmetric materials, flexoelectric effect is allowed by symmetry in any materials. It becomes appreciable in nano-scale systems, where large strain gradients arise. The book discusses different nano-scale manifestations of the effect ranging from repulsion of acoustic and optic branches of materials to flexoelectricity in domain walls. It mainly caters for scientists, engineers and students.
Flexoelectricity In Solids
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Author : Alexander K. Tagantsev
language : en
Publisher: World Scientific Publishing Company
Release Date : 2016-05-04
Flexoelectricity In Solids written by Alexander K. Tagantsev and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-04 with Polarization (Electricity) categories.
This unique compendium is devoted to flexoelectricity -- the response of polarization to a strain gradient. The effect is analogous to piezoelectricity which is the response of polarization to strain itself. In contrast to piezoelectricity, which appears only in non-centrosymmetric materials, flexoelectric effect is allowed by symmetry in any materials. It becomes appreciable in nano-scale systems, where large strain gradients arise. The book discusses different nano-scale manifestations of the effect ranging from repulsion of acoustic and optic branches of materials to flexoelectricity in domain walls. It mainly caters for scientists, engineers and students.
Flexoelectricity In Ceramics And Their Application
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Author : Satyanarayan Patel
language : en
Publisher: Elsevier
Release Date : 2023-08-29
Flexoelectricity In Ceramics And Their Application written by Satyanarayan Patel and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-29 with Technology & Engineering categories.
Flexoelectricity is the ability of materials to generate a voltage when they are bent or, conversely, to bend under voltage. Flexoelectricity can be present in all materials; however, the magnitude of the flexoelectric coefficients is so small that flexoelectricity is virtually imperceptible on the human scale. The book's objective is to look at the flexoelectric effect in ceramics for various applications point of view such as sensor, actuator and energy harvesting etc. It briefly discusses the flexoelectric effect theories and models with the latest development in this field. Several methods are discussed to increase the flexoelectric effect in ferroelectric and other ceramics. It focused on the latest development in various possible applications such as flexopyroelectric, flexocaloric and nano energy generators. Apart from these, it will also discuss the inverse flexoelectric effect, flexoelectric effect in 2D materials, ambiguities and controversies in this field. This book resolved many questions related to flexoelectricity and made significant discoveries with profound implications beyond flexoelectricity, in such diverse areas as caloric or MEMS devices, etc. It covers the most recent breakthroughs in nano-generator, composite-based ceramics to maximize energy harvesting and storage. Therefore, this book will be handy for a researcher working in this direction of ceramics and can be a reference book for allied specializations. It will open a new approach to using the flexoelectric effect in various ceramics and varieties of applications. - Provides an in-depth study of the flexoelectric effect of a broad range of ceramic materials - It updates the state of art progress that has been done in the area of flexoelectric-based energy harvesting via nano-generator or nanocomposites of ceramics - Provides most recent advancement in the area of lead-free, lead-based ceramics, 2D material, flexocaloric and flexopyroelectric applications - The inverse flexoelectric effect is discussed in detail, which helps newcomers and expert researchers, scientists, and engineers working in this field - Includes an evaluation of ambiguities and controversies about the flexoelectric effect
Flexoelectricity In Liquid Crystals
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Author : Agnes Buka
language : en
Publisher: World Scientific
Release Date : 2013
Flexoelectricity In Liquid Crystals written by Agnes Buka and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Science categories.
The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
Local Gradient Theory For Dielectrics
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Author : Olha Hrytsyna
language : en
Publisher: CRC Press
Release Date : 2019-11-22
Local Gradient Theory For Dielectrics written by Olha Hrytsyna and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-22 with Science categories.
This book is devoted to the development of the local gradient theory of dielectrics. It presents a brief description of the known approaches to the construction of generalized (integral- and gradient-type) continuous theories of dielectrics. It describes a new continuum–thermodynamic approach to the construction of nonlinear high-order gradient theory of thermoelastic non-ferromagnetic polarized media. This approach is based on accounting for non-diffusive and non-convective mass fluxes associated with the changes in the material microstructure. Within the linear approximation, the theory has been applied to study transition modes of the formation of near-surface inhomogeneity of coupled fields in solids, disjoining pressure in thin films, etc. The theory describes a number of observable phenomena (including the surface, size, flexoelectric, pyroelectric, and thermopolarization effects in centrosymmetric crystals, the Meads anomaly, the high frequency dispersion of elastic waves, etc.) that cannot be explained within the framework of the classical theory of dielectrics.
Geometric Methods In The Elastic Theory Of Membranes In Liquid Crystal Phases
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Author : Zhong-Can Ou-Yang
language : en
Publisher: World Scientific
Release Date : 1999
Geometric Methods In The Elastic Theory Of Membranes In Liquid Crystal Phases written by Zhong-Can Ou-Yang and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Science categories.
This book contains a comprehensive description of the mechanical equilibrium and deformation of membranes as a surface problem in differential geometry. Following the pioneering work by W Helfrich, the fluid membrane is seen as a nematic or smectic ? A liquid crystal film and its elastic energy form is deduced exactly from the curvature elastic theory of the liquid crystals. With surface variation the minimization of the energy at fixed osmotical pressure and surface tension gives a completely new surface equation in geometry that involves potential interest in mathematics. The investigations of the rigorous solution of the equation that have been carried out in recent years by the authors and their co-workers are presented here, among which the torus and the discocyte (the normal shape of the human red blood cell) may attract attention in cell biology. Within the framework of our mathematical model by analogy with cholesteric liquid crystals, an extensive investigation is made of the formation of the helical structures in a tilted chiral lipid bilayer, which has now become a hot topic in the fields of soft matter and biomembranes.
An Introduction To The Mathematical Theory Of Vibrations Of Elastic Plates
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Author : Raymond David Mindlin
language : en
Publisher: World Scientific
Release Date : 2006
An Introduction To The Mathematical Theory Of Vibrations Of Elastic Plates written by Raymond David Mindlin and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Technology & Engineering categories.
This book by the late R D Mindlin is destined to become a classic introduction to the mathematical aspects of two-dimensional theories of elastic plates. It systematically derives the two-dimensional theories of anisotropic elastic plates from the variational formulation of the three-dimensional theory of elasticity by power series expansions. The uniqueness of two-dimensional problems is also examined from the variational viewpoint. The accuracy of the two-dimensional equations is judged by comparing the dispersion relations of the waves that the two-dimensional theories can describe with prediction from the three-dimensional theory. Discussing mainly high-frequency dynamic problems, it is also useful in traditional applications in structural engineering as well as provides the theoretical foundation for acoustic wave devices.
Ferroelectric Thin Films
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Author : Carlos Paz de Araujo
language : en
Publisher: Taylor & Francis US
Release Date : 1996
Ferroelectric Thin Films written by Carlos Paz de Araujo and has been published by Taylor & Francis US this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.
The impetus for the rapid development of thin film technology, relative to that of bulk materials, is its application to a variety of microelectronic products. Many of the characteristics of thin film ferroelectric materials are utilized in the development of these products - namely, their nonvolatile memory and piezoelectric, pyroelectric, and electro-optic properties. It is befitting, therefore, that the first of a set of three complementary books with the general title Integrated Ferroelectric Devices and Technologies focuses on the synthesis of thin film ferroelectric materials and their basic properties. Because it is a basic introduction to the chemistry, materials science, processing, and physics of the materials from which integrated ferroelectrics are made, newcomers to this field as well as veterans will find this book self-contained and invaluable in acquiring the diverse elements requisite to success in their work in this area. It is directed at electronic engineers and physicists as well as process and system engineers, ceramicists, and chemists involved in the research, design, development, manufacturing, and utilization of thin film ferroelectric materials.
The Meshless Local Petrov Galerkin Mlpg Method
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Author : Satya N. Atluri
language : en
Publisher: Crest
Release Date : 2002
The Meshless Local Petrov Galerkin Mlpg Method written by Satya N. Atluri and has been published by Crest this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Mathematics categories.
Frontiers Of Ferroelectricity
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Author : Sidney B. Lang
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-31
Frontiers Of Ferroelectricity written by Sidney B. Lang 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 2007-12-31 with Technology & Engineering categories.
The ?eld of ferroelectricity is a very active one. Many hundreds of papers in this ?eld are published each year and a large number of local and international conferences are held. We felt that it wouldbeappropriate at this time to publish a set of papers in a single journal describing some of the most active areas in the ?eld. The Journal of Materials Science agreed to publish a special issue on ferroelectricity. Accordingly, we sent requests for papers to a number of research groups around the world. It was diff?culttoselect a small number of groups from among the many excellent ones in the ?eld and we apologize to those not included. We received 24 manuscripts from groups in North America, Asia and Europe, each one of which was reviewed by two referees. The papers include reviews and current research, both experimental and theoretical. It was especially satisfying that the authors included not only established researchers but also manyyounger people who are destined to continue in the ?eld in the future. The special issue entitled “Frontiers of Ferroelectricity”appeared as Volume 41, Issue 1 of the Journal of Materials Science in January 2006. Because webelieved that many researchers and students would ?nd great value in having the complete set of papers on their bookshelf, we suggested to the editors of Springer that Frontiers of Ferroelectricity shouldbe published in book form.