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Sunday, July 12, 2020 | History

1 edition of Nonlinear Spin Waves in Magnetic Films found in the catalog.

Nonlinear Spin Waves in Magnetic Films

Andrei Slavin

Nonlinear Spin Waves in Magnetic Films

by Andrei Slavin

  • 264 Want to read
  • 19 Currently reading

Published by Cambridge University Press .
Written in English

    Subjects:
  • Physics,
  • Science,
  • Science / Physics

  • The Physical Object
    FormatHardcover
    ID Numbers
    Open LibraryOL7755213M
    ISBN 100521809681
    ISBN 109780521809689

      Theoretical description of spin wave (SW) envelope solitons in nonlinear dispersive media with dissipation is given in the framework of a nonlinear Schrodinger equation model with relaxation term. The conditions necessary for envelope soliton observation in magnetic films (MF) and film structures are formulated. Different types of SW dispersion laws are discussed in the context of envelope Magnetic damping is a key metric for emerging technologies based on magnetic nanoparticles, such as spin torque memory and high-resolution biomagnetic imaging. Despite its importance, understanding of magnetic dissipation in nanoscale ferromagnets remains elusive, and the damping is often treated as a phenomenological constant. Here, we report the discovery of a giant frequency-dependent

    These include shallow and deep water waves, nonlinear electrical circuits, fiber optics, and Bose Einstein condensates. The nonlinear and dispersive spin wave properties in magnetic thin films and the ready availability of extremely low loss single crystal films of yttrium iron garnet (YIG) make this an ideal model system for the study of The nonlinear intensity-dependent effect reveals itself in the spin-wave mode transformation and differential nonlinear spin-wave phase shift in each adjacent magnetic ://

      Abstract: The properties of "bright" and "dark" spin wave envelope solitons in dielectric magnetic films are analyzed. It is shown that the nonlinear mechanism responsible for spin wave envelope soliton formation in films is a four-wave interaction between linearly excited spin ://   Coupled Modulational Instabilityof Copropagating Spin Waves in Magnetic Thin Films Mingzhong Wu1 and Boris A. Kalinikos2 1Department of Physics, Colorado State University, Fort Collins, Colorado , USA 2St. Petersburg Electrotechnical University, , St. Petersburg, Russia (Received 23 April ; published 11 July ) modulational.


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Nonlinear Spin Waves in Magnetic Films by Andrei Slavin Download PDF EPUB FB2

Spin waves (SW) at microwave frequencies propagating in thin magnetic films and magnetic-film-based structures proved to be one of the most suitable excitations for the investigation of nonlinear wave phenomena in various media (see, e.g., Refs.

[1,2] papers). Dispersion properties of SW as well as the value and the sign of their nonlinearity   1. Introduction. Spin waves (SW) at microwave frequencies propagating in thin magnetic films and magnetic-film-based structures proved to be one of the most suitable excitations for the investigation of nonlinear wave phenomena in various media (see, e.g., :// ISBN: X OCLC Number: Description: viii, pages: illustrations ; 23 cm: Contents: Fundamentals of linear and nonlinear spin-wave processes in bulk and finite magnetic samples / M.G.

Cottam and A.N. Slavin --Dipole-exchange spin-wave spectrum of magnetic films / B.A. Kalinikos --Spin waves in multilayers / J. Barnaś --Spin-wave polaritons in films and Here, the authors study NiFe thin films via X-ray magnetic circular dichroism, to develop a model for nonlinear spin-wave excitation by ferromagnetic resonance under small applied magnetic :// A theory of nonlinear interactions of spin waves (SW) propagating in thin magnetic films is developed.

We use the classical Hamiltonian formalism for SW in an unbounded ferromagnetic medium in combination with the theory of dipole-exchange SW spectrum for magnetic films to derive a nonlinear Schrödinger equation for the SW envelope which gives a good qualitative description of the formation Light Scattering and Microwave Resonance Studies of Spin Waves in Metallic Films and Multilayers (J R Dutcher) Spin-Wave Instabilities, Auto-Oscillations, Chaos and Control of Chaos in YIG Spheres (S M Rezende et al.) Parametric Instabilities and Auto-Oscillation Behavior of Magnetostatic Modes in Magnetic Films (P E Wigen) Nonlinear Dynamics Linear and Nonlinear Spin Waves in Magnetic Films and Superlattices (Inglese) Copertina rigida – 28 luglio di Michael G.

Cottam (a cura di) Visualizza tutti i formati e le edizioni Nascondi altri formati ed edizioni. Prezzo Amazon Nuovo a partire da Usato da Copertina rigida 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 ts:Fundamentals of Linear and Nonlinear Spin-Wave Processes in Bulk and Finite Magnetic Samples (M G Cottam & A N Slavin)Dipole-Exchange Spin-Wave Spectrum   If the address matches an existing account you will receive an email with instructions to reset your password   Pure spin currents produced by SHE enable generation of incoherent magnons 6,7 and coherent magnetic auto-oscillations 4,5,8,9,10,11, as well as excitation of propagating spin waves Linear And Nonlinear Spin Waves In Magnetic Films And Superlattices | Cottam, Michael G.

| ISBN: | Kostenloser Versand für alle Bücher mit Versand und Verkauf duch ://   Abstract: Spin waves in magnetic thin films provide a powerful and versatile test bed for the study of dynamics of nonlinear waves. This presentation will report three of our recent studies on nonlinear spin waves in Y 3 Fe 5 O 12 (YIG) thin films.

I will first report the use of surface spin waves in YIG films to demonstrate for the first time Self-generation of spin wave bullets in magnetic films.

A.A. Serga, S.O. Demokritov, and B. Hillebrands. Recently new two-dimensional non-linear wave objects – spin wave bullets – have been discov-ered in our group [1]. Here we report self-generation of spin wave bullets in an active ring based on an yttrium-iron garnet (YIG) ?doi=&rep=rep1&type=pdf.

PMA controlling the magnetodynamic nonlinearity. The rich nonlinear magnetodynamics in patterned magnetic thin films can be analytically described by a single nonlinearity coefficient, N, the magnitude and sign of which determine the strength and nature of magnon-magnon interactions, with positive and negative values signifying magnon repulsion and attraction, respectively (24, 27).

We show that the nonlinearity of the spin system of metallic magnetic films together with microscopic-scale confinement effects lead to an anomalous nonlinear magnetic dynamics, such as a nonlinear spatial self-modulation of spin waves characterized by the repulsive :// The book can be divided into three major parts.

The first is comprised of Chapters and is concerned with the physics of magnetism and electromagnetic waves in magnetic media. The second part, Chaptersfocuses on magnetostatic modes and dipolar spin waves, their properties, how to excite them, and how they interact with :// Linear and Nonlinear Spinwaves in Magnetic Films and Superlattices Convolution with magnetostatic waves in YIG films, IEEE Trans.

Sonics Ultrason () Y. Rapoport, A. Slavin: Observation of spatiotemporal self-focusing of spin-waves in magnetic films   2 I. Introduction High-frequency spin waves propagating in thin ferromagnetic films have been utilized for the implementation of advanced microwave devices for many decades Unique features of these waves include electronic tunability by the magnetic field, very short (millimeter to   5 Nonlinear ferromagnetic resonance, foldover, and switching phenomena.

6 Magnetization dynamics under deviations from rotational symmetry. Spin-waves and parametric instabilities. 1 Linearized LLG equation. 2 Spin-wave perturbations. 3 Stability analysis. 4 Spin-wave instabilities and instability diagrams.

5 Spin-wave perturbations for ISBN: X: OCLC Number: Description: 1 online resource (ix, pages): illustrations: Contents: Nonlinear phenomena and chaos in magnetic materials / P.E. Wigen --Some nonlinear effects in magnetically ordered materials / H.

Suhl --Spin-wave instability processes in ferrites / M. Chen & C.E. Patton --Spin-wave dynamics in a ferrimagnetic sphere: experiments. We study the nonlinear evolution of bulk spin waves in a charge-free, isotropic ferromagnetic nanowire with negligible surface anisotropy, restricted to the modes with no azimuthal ://The book can be divided into three major parts.

The first is comprised of Chapters and is concerned with the physics of magnetism and electromagnetic waves in magnetic media. The second part, Chaptersfocuses on magnetostatic modes and dipolar spin waves, their properties, how to excite them, and how they interact with  › Engineering › Electronics & Electrical Engineering.

Spin waves in magnetic thin films provide a powerful and versatile test bed for the study of dynamics of nonlinear waves. In this presentation I will report on four of our recent studies on nonlinear spin waves in Y3Fe5O12 (YIG) thin ://%C3%A5%C2%AD%C2%A6%C3%A6%C5.