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Magnon spintronics is an emerging field that explores the use of magnons, the quanta of spin waves in magnetic materials for information processing and communication. Achieving unidirectional information transport with fast switching…

介观与纳米尺度物理 · 物理学 2024-10-03 Yueqi Wang , Mengying Guo , Kristýna Davídková , Roman Verba , Xueyu Guo , Carsten Dubs , Andrii V. Chumak , Philipp Pirro , Qi Wang

We theoretically investigate the interlayer dipolar and exchange couplings for an array of metallic magnetic nanowires grown on top of an extended ultrathin yttrium iron garnet film. The calculated interlayer dipolar coupling agrees with…

介观与纳米尺度物理 · 物理学 2019-04-24 Tao Yu , Chuanpu Liu , Haiming Yu , Yaroslav M. Blanter , Gerrit E. W. Bauer

Low-energy magnonic logic circuits are an actively developing field of modern magnetism. The potential benefits of magnonics for data processing are vitally dependent on units based on non-reciprocal propagation of spin waves in analogy to…

材料科学 · 物理学 2023-03-01 P. I. Gerevenkov , Ia. A. Filatov , A. M. Kalashnikova , N. E. Khokhlov

Nonreciprocal magnon propagation has recently become a highly potential approach of developing chip-embedded microwave isolators for advanced information processing. However, it is challenging to achieve large nonreciprocity in miniaturized…

介观与纳米尺度物理 · 物理学 2023-07-26 Yi Li , Tzu-Hsiang Lo , Jinho Lim , John E. Pearson , Ralu Divan , Wei Zhang , Ulrich Welp , Wai-Kwong Kwok , Axel Hoffmann , Valentine Novosad

The field of magnonics, which utilizes propagating spin waves for nano-scale transmission and processing of information, has been significantly advanced by the advent of the spin-orbit torque. The latter phenomenon can allow one to overcome…

介观与纳米尺度物理 · 物理学 2020-05-05 V. E. Demidov , S. Urazhdin , A. Anane , V. Cros , S. O. Demokritov

Spin waves, the collective excitations of the magnetic order parameter, and magnons, the associated quasiparticles, are envisioned as possible data carriers in future wave-based computing architectures. On the road towards spin-wave…

We experimentally demonstrate generation of coherent propagating magnons in ultra-thin magnetic-insulator films by spin-orbit torque induced by dc electric current. We show that this challenging task can be accomplished by utilizing…

Controlling magnon densities in magnetic materials enables driving spin transport in magnonic devices. We demonstrate the creation of large, out-of-equilibrium magnon densities in a thin-film magnetic insulator via microwave excitation of…

We report a theory for the coherent and incoherent chiral pumping of spin waves into thin magnetic films through the dipolar coupling with a local magnetic transducer, such as a nanowire. The ferromagnetic resonance of the nanowire is…

介观与纳米尺度物理 · 物理学 2019-12-18 Tao Yu , Yaroslav M. Blanter , Gerrit E. W. Bauer

In the emerging field of magnonics, spin waves are foreseen as signal carriers for future spintronic information processing and communication devices, owing to both the very low power losses and a high device miniaturisation potential…

The emerging field of nano-magnonics utilizes high-frequency waves of magnetization - the spin waves - for the transmission and processing of information on the nanoscale. The advent of spin-transfer torque has spurred significant advances…

介观与纳米尺度物理 · 物理学 2018-07-06 Boris Divinskiy , Vladislav E. Demidov , Sergei Urazhdin , Ryan Freeman , Anatoly B. Rinkevich , Sergej O. Demokritov

We review and extend the theory of chiral pumping of spin waves by magnetodipolar stray fields that generate unidirectional spin currents and asymmetric magnon densities. We illustrate the physical principles by two kinds of chiral…

介观与纳米尺度物理 · 物理学 2020-12-02 Tao Yu , Gerrit E. W. Bauer

The manipulation of magnetization lies at the heart of spintronic and magnonic technologies, with the ultimate performance of such systems limited by the velocity at which magnetic excitations can propagate. Here, we demonstrate ultrafast…

We use micromagnetic simulations to demonstrate neuron functionality of two-dimensional (2D) chiral magnonic resonators. Our design exploits nonlinear resonant scattering of spin waves propagating in a YIG medium from an edge mode of a…

应用物理 · 物理学 2025-12-02 K. G. Fripp , A. V. Shytov , V. V. Kruglyak

Spin waves offer intriguing novel perspectives for computing and signal processing, since their damping can be lower than the Ohmic losses in conventional CMOS circuits. For controlling the spatial extent and propagation of spin waves on…

A diode, a device allowing unidirectional signal transmission, is a fundamental element of logic structures and lies in the heart of modern information systems. Spin wave or magnon, representing a collective quasi-particle excitation of the…

材料科学 · 物理学 2016-01-06 Jin Lan , Weichao Yu , Ruqian Wu , Jiang Xiao

Low dissipation data processing with spins is one of the promising directions for future information and communication technologies. Despite a signifcant progress, the available magnonic devices are not broadband yet and have restricted…

介观与纳米尺度物理 · 物理学 2017-07-18 Antonio Lara , Javier Robledo Moreno , Konstantin Y. Guslienko , Farkhad G. Aliev

In magnonics, an emerging branch of wave physics characterized by low-energy consumption, it is highly desirable to realize circuit elements within the scope of spin-wave computing. Here, based on numerical simulations, we demonstrate the…

介观与纳米尺度物理 · 物理学 2020-09-30 Krzysztof Szulc , Piotr Graczyk , Michał Mruczkiewicz , Gianluca Gubbiotti , Maciej Krawczyk

One-dimensional magnonic crystals have been implemented as gratings of shallow grooves chemically etched into the surface of yttrium-iron garnet films. Scattering of backward volume magnetostatic spin waves from such structures is…

其他凝聚态物理 · 物理学 2009-10-14 A. V. Chumak , A. A. Serga , S. Wolff , B. Hillebrands , M. P. Kostylev

Surface spin waves of the Damon-Eshbach type exhibit intrinsically nonreciprocal transport properties with a chiral dynamical field structure that localizes counterpropagating waves at opposite film surfaces. Such chirality has been…

其他凝聚态物理 · 物理学 2026-05-11 Vitaliy I. Vasyuchka , Florin Ciubotaru , Andrii V. Chumak , Burkard Hillebrands , Alexander A. Serga
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