Search Results for instabilities-and-self-organization-in-materials

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Instabilities and self-organisation in materials are at the core of technological applications.

Author: Nasr Mostafa Ghoniem

Publisher: Oxford University Press, USA

ISBN: STANFORD:36105129052465

Category: Materials science

Page: 1158

View: 392

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Instabilities and self-organisation in materials are at the core of technological applications. In nano-technology, manufacturing of electronic and electromagnetic devices relies on the natural tendency of materials to undergo 'self-organisaton'. Fundamentals are covered in volume I and applications in volume II.

Instabilities and self-organisation in materials are at the core of technological applications.

Author: Nasr Mostafa Ghoniem

Publisher:

ISBN: 0199298696

Category: Materials science

Page: 1158

View: 841

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Instabilities and self-organisation in materials are at the core of technological applications. In nano-technology, manufacturing of electronic and electromagnetic devices relies on the natural tendency of materials to undergo 'self-organisaton'. Fundamentals are covered in volume I and applications in volume II.

Self-organization. in. Materials. Science. In the process of synthesis of materials with desired properties, all kinds of dynamical instabilities can manifest themselves. These instabilities arise some fundamental questions in mind: ...

Author: Rohit Srivastava

Publisher: Springer

ISBN: 9789811008641

Category: Science

Page: 65

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The book introduces the oscillatory reaction and pattern formation in the Belousov-Zhabotinsky (BZ) reaction that became model for investigating a wide range of intriguing pattern formations in chemical systems. So many modifications in classic version of BZ reaction have been carried out in various experimental conditions that demonstrate rich varieties of temporal oscillations and spatio-temporal patterns in non- equilibrium conditions. Mixed-mode versions of BZ reactions, which comprise a pair of organic substrates or dual metal catalysts, have displayed very complex oscillating behaviours and novel space-time patterns during reaction processes. These characteristic spatio-temporal properties of BZ reactions have attracted increasing attention of the scientific community in recent years because of its comparable periodic structures in electrochemical systems, polymerization processes, and non-equilibrium crystallization phenomena. Instead, non-equilibrium crystallization phenomena which lead to development of novel crystal morphologies in constraint of thermodynamic equilibrium conditions have been investigated and are said to be stationary periodic structures. Efforts have continued to analyze insight mechanisms and roles of reaction-diffusion mechanism and self-organization in the growth of such periodic crystal patterns. In this book, non-equilibrium crystallization phenomena, leading to growth of some novel crystal patterns in dual organic substrate modes of oscillatory BZ reactions have been discussed. Efforts have been made to find out experimental parameters where transitions of the spherulitic crystal patterns take place. The book provides the scientific community and entrepreneurs with a thorough understanding and knowledge of the growth and form of branched crystal pattern in reaction-diffusion system and their morphological transition.
2016-04-12 By Rohit Srivastava

However , many of these new aspects of materials development involve instabilities induced by collective behaviors in ... Before discussing the importance of nonlinear and self - organization phenomena in surface modification technology ...

Author: Daniel Walgraef

Publisher: World Scientific

ISBN: 9810242654

Category: Technology & Engineering

Page: 335

View: 389

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This book deals with the methods and concepts of nonlinear dynamics, pattern formation, bifurcation theory, irreversible thermodynamics, and their application to advanced materials science problems. The focus is on the effect of dynamical instabilities on materials behavior and properties.The book is addressed to physicists, chemists, mathematicians and engineers who wish to work in this domain, or to learn about its latest advances. It is also aimed at bridging gaps between science and technology.
2000 By Daniel Walgraef

Before discussing the importance of nonlinear and self - organization phenomena in materials science , let me point out that the development of a theoretical framework to describe and interpret self - organization phenomena was made ...

Author: Orazio Descalzi

Publisher: Springer Science & Business Media

ISBN: 1402018258

Category: Science

Page: 388

View: 213

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The contents of this book correspond to Sessions VII and VIII of the International Workshop on Instabilities and Nonequilibrium Structures which took place in Viña del Mar, Chile, in December 1997 and December 1999, respectively. Part I is devoted to self-contained courses. Three courses are related to new developments in Bose-Einstein condensation: the first one by Robert Graham studies the classical dynamics of excitations of Bose condensates in anisotropic traps, the second by Marc Etienne Brachet refers to the bifurcations arising in attractive Bose-Einstein condensates and superfluid helium and the third course by André Verbeure is a pedagogical introduction to the subject with special emphasis on first principles and rigorous results. Part I is completed by two courses given by Michel Moreau: the first one on diffusion limited reactions of particles with fluctuating activity and the second on the phase boundary dynamics in a one dimensional nonequilibrium lattice gas. Part II includes a selection of invited seminars at both Workshops.
2004-03-31 By Orazio Descalzi

Self-organization is a precious ally for the design of such materials. r Many materials are used in very hard ... Curiously, the instabilities and self-organization that occurs in far-from-equilibrium systems as a result of basic ...

Author: Dilip Kondepudi

Publisher: John Wiley & Sons

ISBN: 9781118698709

Category: Science

Page: 552

View: 358

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Modern Thermodynamics: From Heat Engines to Dissipative Structures, Second Edition presents a comprehensive introduction to 20th century thermodynamics that can be applied to both equilibrium and non-equilibrium systems, unifying what was traditionally divided into ‘thermodynamics’ and ‘kinetics’ into one theory of irreversible processes. This comprehensive text, suitable for introductory as well as advanced courses on thermodynamics, has been widely used by chemists, physicists, engineers and geologists. Fully revised and expanded, this new edition includes the following updates and features: Includes a completely new chapter on Principles of Statistical Thermodynamics. Presents new material on solar and wind energy flows and energy flows of interest to engineering. Covers new material on self-organization in non-equilibrium systems and the thermodynamics of small systems. Highlights a wide range of applications relevant to students across physical sciences and engineering courses. Introduces students to computational methods using updated Mathematica codes. Includes problem sets to help the reader understand and apply the principles introduced throughout the text. Solutions to exercises and supplementary lecture material provided online at http://sites.google.com/site/modernthermodynamics/. Modern Thermodynamics: From Heat Engines to Dissipative Structures, Second Edition is an essential resource for undergraduate and graduate students taking a course in thermodynamics.
2014-11-05 By Dilip Kondepudi

Such a microscopic theory of plasticity does not exist, particularly because dislocation populations exhibit self-organization, a feature which is not clearly understood to date. In macroscopic as well as in microscopic terms, ...

Author: D. Walgraef

Publisher: Springer Science & Business Media

ISBN: 9789400905931

Category: Technology & Engineering

Page: 408

View: 400

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Understanding the origin of spatio-temporal order in open systems far from thermal equilibrium and the selection mechanisms of spatial struc tures and their symmetries is a major theme of present day research into the structures of continuous matter. The development of methods for pro ducing spatially ordered microstructures in solids by non-equilibrium methods opens the door to many technological applications. It is also be lieved that the key to laminar/turbulence transitions in fluids lies in the achievement of spatio-temporal order. Let us also emphasize the fact that the idea of self-organization in it self is at the origin of a reconceptualisation of science. Indeed, the appear ance of order which usually has been associated with equilibrium phase transitions appears to be characteristic of systems far from thermal equi librium. This phenomenon which was considered exceptional at first now the rule in driven systems. The chemical oscillations obtained appears to be in the Belousov-Zhabotinskii reaction were initially considered to be ther modynamically impossible and were rejected by a large number of chemists. Now these oscillations and related phenomena (waves, chaos, etc. ) are the subject of intensive research and new classes of chemical oscil lators have been recently discovered. Even living organisms have long been considered as the result of chance rather than necessity. Such points of view are now abandoned under the overwhelming influence of spatio-tem poral organization phenomena in various domains ranging from physics to biology via chemistry, nonlinear optics, and materials science .
2012-12-06 By D. Walgraef

While this is still true in many applications, the success of selforganization in hydrodynamics, chemistry, and discrete ... Due to strong inherent instabilities, counterpropagating beams in passive nonlinear media are current prominent ...

Author: Peter Günter

Publisher: Springer

ISBN: 9780387251929

Category: Science

Page: 426

View: 661

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This is the first volume of a set of three within the Springer Series in Optical Sciences, and is devoted to photorefractive effects, photorefractive materials, and their applications. Since the publication of our first two Springer books on Photorefractive Materials and Their Applications (Topics in Applied Physics, Vols. 61 and 62) almost 20 years ago, a lot of research has been done in this area. New and often expected effects have been discovered, theoretical models developed, known effects finally explained, and novel applications proposed. We believe that the field has now reached a high level of maturity, even if research continues in all areas mentioned above and with new discoveries arriving quite regularly. We therefore have decided to invite some of the top experts in the field to put together the state of the art in their respective fields. This after we had been encouraged to do so for more than ten years by the publisher, due to the fact that the former volumes were long out of print.
2006-04-09 By Peter Günter

Irradiation-induced Self-organization Phenomena In 'self-organization' a system develops some kind of structuring by itself, that is, without selective intervention from outside. Surface instabilities and the resulting self-organization ...

Author: Devesh Kumar Avasthi

Publisher: Springer Science & Business Media

ISBN: 9789400712294

Category: Science

Page: 280

View: 575

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Ion beams have been used for decades for characterizing and analyzing materials. Now energetic ion beams are providing ways to modify the materials in unprecedented ways. This book highlights the emergence of high-energy swift heavy ions as a tool for tailoring the properties of materials with nanoscale structures. Swift heavy ions interact with materials by exciting/ionizing electrons without directly moving the atoms. This opens a new horizon towards the 'so-called' soft engineering. The book discusses the ion beam technology emerging from the non-equilibrium conditions and emphasizes the power of controlled irradiation to tailor the properties of various types of materials for specific needs.
2011-05-24 By Devesh Kumar Avasthi