Spin Waves
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Spin Waves
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Author : Daniel D. Stancil
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-04-05
Spin Waves written by Daniel D. Stancil 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 2009-04-05 with Technology & Engineering categories.
This book begins by introducing magnetism and discusses magnetic properties of materials, magnetic moments of atoms and ions, and the elements important to magnetism. It covers magnetic susceptibilities and electromagnetic waves in anisotropic dispersive media among other topics. There are problems at the end of each chapter, many of which serve to expand or explain the material in the text. The bibliographies for each chapter give an entry to the research literature.
Spin Waves
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Author : Aleksandr Ilʹich Akhiezer
language : en
Publisher:
Release Date : 1968
Spin Waves written by Aleksandr Ilʹich Akhiezer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Science categories.
Spin Waves And Magnetic Excitations
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Author :
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Spin Waves And Magnetic Excitations written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Modern Problems in Condensed Matter Sciences, Volume 22.2: Spin Waves and Magnetic Excitations focuses on the processes, methodologies, reactions, principles, and approaches involved in spin waves and magnetic excitations, including magnetic systems, fluctuations, resonance, and spin dynamics. The selection first elaborates on spin-wave resonance in metals, excitations in low-dimensional magnetic systems, and the theory of magnetic excitations in disordered systems. Topics include spin waves in ferromagnets with weak fluctuations of the exchange interaction; dynamics of propagating excitations; models of two-dimensional magnetic systems; spin-wave resonance in bulk metals; and standing spin-wave resonance in thin films. The manuscript then ponders on spin dynamics of amorphous magnets and magnetic excitations in spin glasses, including dynamics in reentrant spin glasses, dynamics of classical spin glasses, spin dynamical theory, spin dynamics of locally isotropic materials, and effects of dilution. The book takes a look at nuclear spin and magnetoelastic excitations and magnetic impuritons in antiferromagnetic dielectric crystals. Discussions focus on coherent and incoherent impurity excitations, equations of motion and the energy of a magnetoelastic medium, magnetoelastic excitations near magnetic orientational phase transitions, and the effect of frequency pulling on the behavior of nuclear spin echo signals. The selection is a vital source of data for researchers interested in spin waves and magnetic excitations.
Spin Wave Confinement
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Author : Sergej O. Demokritov
language : en
Publisher: CRC Press
Release Date : 2017-09-07
Spin Wave Confinement written by Sergej O. Demokritov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-07 with Science categories.
Since the publication of the first edition of Spin-Wave Confinement, the magnetic community’s interest in dynamic excitations in magnetic systems of reduced dimensions has been increasing. Although the concept of spin waves and their quanta (magnons) as propagating excitation of magnetic media was introduced more than 80 years ago, this field has been repeatedly bringing us fascinating new physical phenomena. The successful development of magnonics as an emerging subfield of spintronics, which considers confined spin waves as a basis for smaller, faster, more robust, and more power-efficient electronic devices, inevitably demands reduction in the sizes and dimensions of the magnetic systems being studied. The unique features of magnons, including the possibility of carrying spin information over relatively long distances, the possibility of achieving submicrometer wavelength at microwave frequencies, and controllability by electronic signal via magnetic fields, make magnonic devices distinctively suited for implementation of novel integrated electronic schemes characterized by high speed, low power consumption, and extended functionalities. Edited by S. O. Demokritov, a prominent magnonics researcher who has successfully collected the results of cutting-edge research by almost all main players in the field, this book is for everyone involved in nanotechnology, spintronics, magnonics, and nanomagnetism.
Spin Waves
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Author : Daniel D. Stancil
language : en
Publisher: Springer Nature
Release Date : 2021-08-02
Spin Waves written by Daniel D. Stancil and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-02 with Science categories.
This book presents a collection of problems in spin wave excitations with their detailed solutions. Each chapter briefly introduces the important concepts, encouraging the reader to further explore the physics of spin wave excitations and the engineering of spin wave devices by working through the accompanying problem sets. The initial chapters cover the fundamental aspects of magnetization, with its origins in quantum mechanics, followed by chapters on spin wave excitations, such as the magnetostatic approximation, Walker's equation, the spin wave manifold in the three different excitation geometries of forward volume, backward volume and surface waves, and the dispersion of spin waves. The latter chapters focus on the practical aspects of spin waves and spin wave optical devices and use the problem sets to introduce concepts such as variational analysis and coupled mode theory. Finally, for the more advanced reader, the book covers nonlinear interactions and topics such as spin wave quantization, spin torque excitations, and the inverse Doppler effect. The topics range in difficulty from elementary to advanced. All problems are solved in detail and the reader is encouraged to develop an understanding of spin wave excitations and spin wave devices while also strengthening their mathematical, analytical, and numerical programming skills.
Linear And Nonlinear Spin Waves In Magnetic Films And Superlattices
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Author : Michael G. Cottam
language : en
Publisher: World Scientific
Release Date : 1994
Linear And Nonlinear Spin Waves In Magnetic Films And Superlattices written by Michael G. Cottam and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.
In the past few years, there has been a rapidly growing interest in the properties of spin waves (or magnons) in ordered magnetic materials. These are the low-lying excitations that characterize the dynamical behavior of the magnetization variables in ferromagnets, ferrimagnets and antiferromagnets, particularly at low temperatures. Many of the recent developments concerning spin waves have been directed towards understanding their behavior in limited magnetic samples. At the same time, there have been dramatic advances in the experimental techniques, both for preparing high-quality magnetic samples in the form of thin films and superlattices and for the study of the spin-wave excitations themselves. Magnetic thin films have long been of technological as well as scientific interest and an understanding of both the linear and nonlinear aspects of their magnetic behavior is important.
Spin Wave Confinement
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Author : Sergej O. Demokritov
language : en
Publisher: CRC Press
Release Date : 2019-05-08
Spin Wave Confinement written by Sergej O. Demokritov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-08 with Science categories.
This book presents recent scientific achievements in the investigation of magnetization dynamics in confined magnetic systems. Introduced by Bloch as plane waves of magnetization in unconfined ferromagnets, spin waves currently play an important role for description of very small systems.Spin wave confinement effect was experimentally discovered in the 1990s in permalloy microstripes. The diversity of systems where this effect is observed has been steadily growing since then, most of which will be addressed in this book. The book includes six chapters which originate from different groups of experimentalists and theoreticians dominating the field since the discovery of the effect. Different chapters of the book reflect different facets of spin wave confinement, providing a comprehensive description of the effect and its place in modern magnetism. It will be of value for scientists and engineers working on magnetic storage elements and magnetic logic, and is also suitable as an advanced textbook for graduate students.
Spin Wave Technology
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Author : George J. Bugh
language : en
Publisher: Vasant Corporation
Release Date : 2002
Spin Wave Technology written by George J. Bugh and has been published by Vasant Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
This is a book of informal research papers written by George J Bugh while investigating claims by many inventors and researchers who have built unusual electromagnetic devices said to produce anomalous energy output and even electrogravity effects.Mr. Bugh is a senior staff aerospace electronics engineer with over 20 years experience. He spent the last 7 years studying these claims to determine if any could be valid and if so then to determine the source of the anomalous energy and the electrogravity effects.According to classical electrodynamics, all electrically charged particles, like quarks and electrons, should radiate away energy from gyroscopic precessional motions and orbital motions. Bugh has come to the conclusion that they really do. However, all particles are also absorbing just as much energy from all other radiating particles.The continuously absorbed energy equals the radiated energy and applies forces that move similar type particles into harmonious precesssional motions with each other. This results in a sea of electromagnetic standing waves among all matter in the universe.It is this sea of standing waves rather than quantum probability waves that best account for the wave like nature of matter. Particles move to quantized states because of electromagnetic forces that keep particle motions synchronized with this sea of standing waves.This is an interaction among all matter that Ernst Mach alluded to as necessary to cause matter's characteristic of inertia. Einstein called this Mach's Principle. Einstein studied Mach's ideas while developing his theory of General Relativity.Using common sense and classical electrodynamics, Bugh explains how these particle spin interactions are possible even among compensating spins. Technology advancements are possible based on these particle spin interactions.
Spin Wave Confinement
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Author : Sergej O. Demokritov
language : en
Publisher:
Release Date : 2017-08-07
Spin Wave Confinement written by Sergej O. Demokritov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-07 with Science categories.
Since the publication of the first edition of Spin-Wave Confinement, the magnetic community's interest in dynamic excitations in magnetic systems of reduced dimensions has been increasing. Although the concept of spin waves and their quanta (magnons) as propagating excitation of magnetic media was introduced more than 80 years ago, this field has been repeatedly bringing us fascinating new physical phenomena. The successful development of magnonics as an emerging subfield of spintronics, which considers confined spin waves as a basis for smaller, faster, more robust, and more power-efficient electronic devices, inevitably demands reduction in the sizes and dimensions of the magnetic systems being studied. The unique features of magnons, including the possibility of carrying spin information over relatively long distances, the possibility of achieving submicrometer wavelength at microwave frequencies, and controllability by electronic signal via magnetic fields, make magnonic devices distinctively suited for implementation of novel integrated electronic schemes characterized by high speed, low power consumption, and extended functionalities. Edited by S. O. Demokritov, a prominent magnonics researcher who has successfully collected the results of cutting-edge research by almost all main players in the field, this book is for everyone involved in nanotechnology, spintronics, magnonics, and nanomagnetism.
Spin Waves
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Author : Daniel D. Stancil
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2017-08-08
Spin Waves written by Daniel D. Stancil and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-08 with categories.
Spin Waves: Theory and Applications By Daniel D. Stancil