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Magnonics

Magnonics
From Fundamentals to Applications

by Sergej O. Demokritov,Andrei N. Slavin

  • Publisher : Springer Science & Business Media
  • Release : 2012-08-15
  • Pages : 262
  • ISBN : 3642302475
  • Language : En, Es, Fr & De
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Spin waves (and their quanta magnons) can effectively carry and process information in magnetic nanostructures. By analogy to photonics, this research field is labelled magnonics. It comprises the study of excitation, detection, and manipulation of magnons. From the practical point of view, the most attractive feature of magnonic devices is the controllability of their functioning by an external magnetic field. This book has been designed for students and researchers working in magnetism. Here the readers will find review articles written by leading experts working on realization of magnonic devices.

Fundamentals of Magnonics

Fundamentals of Magnonics
A Book

by Sergio M. Rezende

  • Publisher : Springer Nature
  • Release : 2020
  • Pages : 372
  • ISBN : 3030413179
  • Language : En, Es, Fr & De
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Fundamentals of Magnonics is a textbook for beginning graduate students in the areas of magnetism and spintronics. The level of presentation assumes only basic knowledge of the origin of magnetism and electromagnetism, and quantum mechanics. The book utilizes elementary mathematical derivations, aimed mainly at explaining the physical concepts involved in the phenomena studied and enabling a deeper understanding of the experiments presented. Key topics include the basic phenomena of ferromagnetic resonance in bulk materials and thin films, semi-classical theory of spin waves, quantum theory of spin waves and magnons, magnons in antiferromagnets, parametric excitation of magnons, nonlinear and chaotic phenomena, Bose-Einstein condensation of magnons, and magnon spintronics. Featuring end-of-chapter problem sets accompanied by extensive contemporary and historical references, this book provides the essential tools for any graduate or advanced undergraduate-level course of studies on the emerging field of magnonics.

Three-Dimensional Magnonics

Three-Dimensional Magnonics
Layered Micro- and Nanostructures

by Gianluca Gubbiotti

  • Publisher : CRC Press
  • Release : 2019-07-16
  • Pages : 396
  • ISBN : 1000024547
  • Language : En, Es, Fr & De
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Magnonics, a research field that uses spin waves, collective excitations of ordered magnetic materials, or magnons (their quanta) as a tool for signal processing, communication, and computation, has rapidly grown during the past decade because of the low-energy consumption and potential compatibility with next-generation circuits beyond CMOS electronics. The interest in 3D magnonic nanostructures follows the latest trend in conventional electronics based on expansion from 2D planar to 3D vertically integrated structures. To remain on the same technological level, a similar expansion should be realized in magnonics. Following this trend, this book provides an overview of recent developments in the exploitation of the third dimension in magnonics, with special focus on the propagation of spin waves in layered magnonic crystals, spin textures, curved surfaces, 3D nano-objects, and cavity magnonics.

Controlling Anisotropy in Organic-based Magnets for Coherent Magnonics

Controlling Anisotropy in Organic-based Magnets for Coherent Magnonics
A Book

by Michael A. Chilcote

  • Publisher : Unknown Publisher
  • Release : 2020
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The study of coherent magnonic interactions relies implicitly on the ability to excite and exploit long lived spin wave excitations in a magnetic material. That requirement has led to the nearly universal reliance on yittrium iron garnet (YIG), which for half a century has reigned as the unchallenged leader in low-loss magnetic resonance despite extensive efforts to identify alternative materials. Surprisingly, the organic-based ferrimagnet vanadium tetracyanoethylene (V[TCNE]x; x ~ 2) has recently emerged as a compelling alternative to YIG. In contrast to other organic-based materials, V[TCNE]x exhibits robust magnetism, has a single-peaked, narrow magnetic resonance feature (less than 1 G at 10 GHz), and has a Curie temperature of over 600 K with sharp hysteresis switching to full saturation at room temperature. On the other hand, progress in the field of organic electronics has yielded significant advances in the development and application of organic light emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field effect transistors (OFETs). The success of these device applications suggests that further expansion of the field to include magnetic functionality offers promising opportunities. At the same time, the emergence of optimized thin-film growth of and successful encapsulation strategies for organic-based magnetic materials allows for long term stability of high-quality magnets under ambient conditions. Presented here is the synthesis of a new class of organic-based magnetic nanostructures consisting of nanowires of V[TCNE]x that assemble along the ridges of a grooved substrate. These nanowires exhibit uniaxial magnetic anisotropy with an in-plane easy axis perpendicular to the nanowires, which is in direct contrast to the isotropic in-plane response of typical thin-films. These nanostructures support the excitation of multiple modes, and when these different magnon modes are brought into resonance by varying the orientation of an in-plane magnetic field, we observe anticrossing behavior, indicating strong coherent coupling between the excitations. Furthermore, micromagnetic simulations using real nanowire profiles extracted from cross-sectional scanning electron microscopy faithfully reproduce the experimentally measured spectra without any free parameters, including spin-wave and other higher-order modes Additionally, we use this data to explore the origin of the induced anisotropy in this materials system and note that these results offer insight into a whole class of organic-based magnetic materials of the form M[Acceptor]x (M = transition metal; x ~ 2). We study films of the V[TCNE]x analog vanadium methyl tricyanoethylenecarboxylate (V[MeTCEC]x), which show a temperature-dependent switch in the easy axis from in-plane to out of plane, supporting conclusions drawn from studies of the induced anisotropy in V[TCNE]x nanostructures. These results introduce a new degree of freedom for organic-based magnetism and spintronics, and together with recent demonstration of encapsulation technologies and demonstrated functional microwave devices that exhibit high quality factors across a range of frequencies, suggest promising applications in microwave electronics and quantum magnonics.

Magnonics

Magnonics
Interface Transmission Tutorial Book Series

by Abdellatif Akjouj,LEONARD. DOBRZYNSKI,Leonard Dobrzynski,Housni Al-Wahsh

  • Publisher : Interface Transmission Tutoria
  • Release : 2018-11
  • Pages : 150
  • ISBN : 9780128133668
  • Language : En, Es, Fr & De
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Magnonics: Interface Transmission Tutorial Book Series provides up-to-date and concise summaries of the present knowledge of interface transmission science. The series' volumes foster the exchange of ideas among scientists interested in different aspects of interface transmission, with each release designed as a text, a reference, and a source. The series serves as an introduction to advanced graduate students, researchers and scientists with little acquaintance with the subject, and is also useful in keeping specialists informed about general progress in the field. A detailed description of mathematical languages is provided in an appendix, enabling readers to find composite system linear transmission properties. All scientists who contribute to these volume have worked in interface transmission in composite systems over many years, providing a thorough and comprehensive understanding of magnonics. Offers a unique approach to magnonics from an interfacial transmission point-of-view Teaches the modern physics of interface transmission, and in particular, magnonics through composite systems Authored and edited by world-leading experts on Interface Transmission

Adding nonlinearity to an electromagnetic-magnonic quantum hybrid device

Adding nonlinearity to an electromagnetic-magnonic quantum hybrid device
A Book

by Pfirrmann, Marco

  • Publisher : KIT Scientific Publishing
  • Release : 2020-10-05
  • Pages : 138
  • ISBN : 3731510030
  • Language : En, Es, Fr & De
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In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.

Microwave Magnonics at Millikelvin Temperatures

Microwave Magnonics at Millikelvin Temperatures
A Book

by Sandoko Kosen

  • Publisher : Unknown Publisher
  • Release : 2019
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The Building Blocks of Magnonics

The Building Blocks of Magnonics
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2011
  • Pages : 30
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Spin Wave Confinement

Spin Wave Confinement
Propagating Waves, Second Edition

by Sergej O. Demokritov

  • Publisher : CRC Press
  • Release : 2017-09-07
  • Pages : 436
  • ISBN : 1351617214
  • Language : En, Es, Fr & De
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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.

Research EU.

Research EU.
Results magazine

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2013-11
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Electric Field Induced Spin Wave Generation for Beyond CMOS Magnonic Logic Devices

Electric Field Induced Spin Wave Generation for Beyond CMOS Magnonic Logic Devices
A Book

by Jayshankar Nath

  • Publisher : Unknown Publisher
  • Release : 2012
  • Pages : 58
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The semiconductor industry is fast approaching the fundamental scaling limit of conventional complementary metal-oxide-semiconductor (CMOS) devices. This has spurred numerous exploratory researches in the last decade, on technologies that can sustain Moore's law and eventually replace CMOS based devices. One such magnonics based, beyond CMOS device is called the spin wave device. A spin wave device is a low power magnetic logic device that uses a propagating wave of precessional spins, called a spin wave, to perform computations. Traditionally, spin waves have been generated using energetically inefficient, inductively coupled antennas. In order to attain atto-joule energy per operation, which is substantially lower than that of the current generation of CMOS devices, we propose and demonstrate a novel method of spin wave generation using the strain mediated magneto electric effect. We have conducted extensive experimental and numerical studies to design, engineer and fabricate such nano scale spin wave devices. These devices could in effect outperform and eventually replace the CMOS based logic devices.

Achievements in Magnetism

Achievements in Magnetism
A Book

by Nikolai S. Perov,Anna Semisalova

  • Publisher : Trans Tech Publications Ltd
  • Release : 2015-07-02
  • Pages : 812
  • ISBN : 3038269484
  • Language : En, Es, Fr & De
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Collection of selected, peer reviewed papers from the 6th Moscow International Symposium on Magnetism (MISM), June 29-July 3, 2014, Moscow, Russian Federation. The 178 papers are grouped as follows: Chapter 1: Theory Research and Numerical Simulation; Chapter 2: Magnetic Semiconductors and Oxides; Chapter 3: Magnetic Alloys and Magnetocaloric Effect; Chapter 4: Magnetic Microwires; Chapter 5: Magnetic Soft Matter; Chapter 6: Multiferroics; Chapter 7: Spintronics and Magnetotransport; Chapter 8: High Frequency Properties; Chapter 9: Nanostructures and Low Dimensional Magnetism; Chapter 10: Magnetic Thin Films; Chapter 11: Magnetism and Superconductivity; Chapter 12: Magnetism in Biology and Medicine

Physics letters : [part A].

Physics letters : [part A].
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2001
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Atomistic Spin Dynamics

Atomistic Spin Dynamics
Foundations and Applications

by Olle Eriksson,Anders Bergman,Johan Hellsvik,Lars Bergqvist

  • Publisher : Oxford University Press
  • Release : 2017-02-23
  • Pages : 256
  • ISBN : 0198788665
  • Language : En, Es, Fr & De
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The purpose of this book is to provide a theoretical foundation and an understanding of atomistic spin-dynamics (ASD), and to give examples of where the atomistic Landau-Lifshitz-Gilbert equation can and should be used. As argued in the text, a description of magnetism in an atomistic way is very natural and allows for an interpretation of experimental results in a clear and deep way. This description also allows for calculations, from first principles, of all parameters needed to perform the spin-dynamics simulations, without using experimental results as input to the simulations. As shown in the book, we are now at a very exciting situation, where it is possible to perform accurate and efficient atomistic simulations on a length- and time-scale which is balancing on the edge of what is experimentally possible. In this way, ASD simulations can both validate and be validated by state-of-the art experiments, and ASD simulations also have the possibility to act as a predictive tool that is able to explain the magnetization dynamics in experimentally inaccessible situations. The purpose of this book has been to communicate technically relevant concepts. An even larger motivation is to communicate an inspiration to magnetism and magnetization dynamics, and the emerging technological fields that one may foresee, e.g. in magnonics, solitonics and skyrmionics.

Nonlinear Microwave Signal Processing: Towards a New Range of Devices

Nonlinear Microwave Signal Processing: Towards a New Range of Devices
Proceedings of the III International Workshop Nonlinear Microwave Magnetic and Magnetooptic Information Processing

by R. Marcelli,S.A. Nikitov

  • Publisher : Springer
  • Release : 1996-11-30
  • Pages : 509
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Proceedings of the NATO Advanced Research Workshop, Rome, Italy, 3-6 October, 1996

Music in the Malay Shadow Puppet Theater

Music in the Malay Shadow Puppet Theater
A Book

by Patricia Ann Matusky

  • Publisher : Unknown Publisher
  • Release : 1981
  • Pages : 1170
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Fano Resonances in Optics and Microwaves

Fano Resonances in Optics and Microwaves
Physics and Applications

by Eugene Kamenetskii,Almaz Sadreev,Andrey Miroshnichenko

  • Publisher : Springer
  • Release : 2018-12-14
  • Pages : 571
  • ISBN : 9783319997308
  • Language : En, Es, Fr & De
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This book discusses the development of Fano-based techniques and reveals the characteristic properties of various wave processes by studying interference phenomena. It explains that the interaction of discrete (localized) states with a continuum of propagation modes leads to Fano interference effects in transmission, and explores novel coherent effects such as bound states in the continuum accompanied by collapse of Fano resonance. Originating in atomic physics, Fano resonances have become one of the most appealing phenomena of wave scattering in optics, microwaves, and terahertz techniques. The generation of extremely strong and confined fields at a deep subwavelength scale, far beyond the diffraction limit, plays a central role in modern plasmonics, magnonics, and in photonic and metamaterial structures. Fano resonance effects take advantage of the coupling of these bound states with a continuum of radiative electromagnetic waves. With their unique physical properties and unusual combination of classical and quantum structures, Fano resonances have an application potential in a wide range of fields, from telecommunication to ultrasensitive biosensing, medical instrumentation and data storage. Including contributions by international experts and covering the essential aspects of Fano-resonance effects, including theory, modeling and design, proven and potential applications in practical devices, fabrication, characterization and measurement, this book enables readers to acquire the multifaceted understanding required for these multidisciplinary challenges.

Nanodevices for Photonics and Electronics

Nanodevices for Photonics and Electronics
Advances and Applications

by Paolo Bettotti

  • Publisher : Pan Stanford
  • Release : 2015-10-31
  • Pages : 400
  • ISBN : 9789814613743
  • Language : En, Es, Fr & De
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Photonics and electronics are endlessly converging into a single technology by exploiting the possibilities given by nanostructuring of materials and devices. It is expected that next-generation optoelectronics devices will show great improvements in terms of performance, flexibility, and energy consumption. The main limits of nanoelectronics are overcome by using a photonic approach and, on the other hand, nanophotonics has become a mature technology thanks to the miniaturization strategies developed in microelectronics. Mastering such a complex topic requires a multidisciplinary approach and a solid knowledge of several topics. This book describes recent advances in nanophotonic and nanoelectronic systems while keeping an eye on real applications of such technologies. Starting from pure photonic systems, the monograph describes several examples in which the interaction between photonics and electronics is exploited to achieve faster, compact, and more efficient devices.

Phononics

Phononics
Interface Transmission Tutorial Book Series

by Leonard Dobrzyński,El Houssaine El Boudouti,Abdellatif Akjouj,Yan Pennec,Housni Al-Wahsh,Gaëtan Lévêque,Bahram Djafari-Rouhani

  • Publisher : Elsevier
  • Release : 2017-09-14
  • Pages : 396
  • ISBN : 0128099313
  • Language : En, Es, Fr & De
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Phononics: Interface Transmission Tutorial Book Series provides an investigation of modern systems that includes a discrete matrix description. Classical continuous systems relying on the use of differential equations are recalled, showing that they generally have a specific limit on their corresponding modern matrix formulation. A detailed description of the mathematical languages that enables readers to find the composite system linear transmission properties is provided in the appendix. The physical model is described with exacting detail, and the bibliography is built to cite—in chronological order—all the scientists that have contributed over many years. Each volume is written with the aim of providing an up-to-date and concise summary of the present knowledge of interface transmission science, thus fostering the exchange of ideas among scientists interested in different aspects of interface transmission. The book serves as an introduction to advanced graduate students, researchers, and scientists with little study on the subject, and is also useful to help keep specialists informed on general progress in the field. Offers a unique approach on phononics from the interfacial transmission point-of-view Teaches the modern physics of interface transmission, in particular, phononics through composite systems Authored and edited by world-leading experts on interface transmission

Photonics

Photonics
A Book

by Leonard Dobrzyński,Abdellatif Akjouj,El Houssaine El Boudouti,Gaetan Leveque,Housni Al-Wahsh,Yan Pennec,Cecile Ghouila-Houri,Abdelkrim Talbi,Bahram Djafari-Rouhani,Yabin Jin

  • Publisher : Elsevier
  • Release : 2020-11-28
  • Pages : 708
  • ISBN : 0128193891
  • Language : En, Es, Fr & De
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Photonics, a volume in the Interface Transmission Tutorial Book series, describes the science of photonic transmission properties of the interfaces of composite materials systems and devices. The book's authors review the general analysis methods of interface transmission, give many examples, and apply these methods to photonic applications. Applications discussed include photonic crystals, materials, devices and circuits. Offers a unique approach on photonics from the interfacial transmission point-of-view Reviews the interface transmission properties of composite materials for photonics applications Authored by world-leading experts on interface transmission