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Related papers: A spin-wave logic gate based on a width-modulated …

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Excitation of magnetization dynamics by pure spin currents has been recently recognized as an enabling mechanism for spintronics and magnonics, which allows implementation of spin-torque devices based on low-damping insulating magnetic…

Spin waves are investigated in Yttrium Iron Garnet (YIG) waveguides with a thickness of 39 nm and widths ranging down to 50 nm, i.e., with aspect ratios thickness over width approaching unity, using Brillouin Light Scattering spectroscopy.…

Mesoscale and Nanoscale Physics · Physics 2019-06-26 Q. Wang , B. Heinz , R. Verba , M. Kewenig , P. Pirro , M. Schneider , T. Meyer , B. Lägel , C. Dubs , T. Brächer , A. V. Chumak

Integrated circuits are a cornerstone of modern information technology, and analog wave-based architectures could enable fast and efficient processing beyond conventional charge electronics. In magnonics, spin waves provide a highly…

A design of a magnonic phase shifter operating without an external bias magnetic field is proposed. The phase shifter uses a localized collective spin wave mode propagating along a domain wall "waveguide" in a dipolarly-coupled magnetic dot…

Mesoscale and Nanoscale Physics · Physics 2016-06-14 Steven Louis , Ivan Lisenkov , Sergey Nikitov , Vasyl Tyberkevych , Andrei Slavin

Manipulate and control of spin wave and spin flip are crucial for future developments of magnonic and spintronic devices. We present that the spin wave in hexagonal LuMnO3 single crystal can be selectively excited with laser polarization…

Materials Science · Physics 2017-04-05 Xiang-Bai Chen , Peng-Cheng Guo , In-Sang Yang , Xueyun Wang , Sang-Wook Cheong

Spin torque nano-oscillator has been extensively studied both theoretically and experimentally in recent decades due to its potential applications in future microwave communication technology and neuromorphic computing. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2023-01-12 Xue Liang , Laichuan Shen , Xiangjun Xing , Yan Zhou

Controlling the phase and amplitude of spin waves in magnetic insulators with an electric field opens the way to fast logic circuits with ultra-low power consumption. One way to achieve such control is to manipulate the magnetization of the…

Mesoscale and Nanoscale Physics · Physics 2024-02-26 Rostyslav O. Serha , Vitaliy I. Vasyuchka , Alexander A. Serga , Burkard Hillebrands

Theoretical studies, based on three independent techniques, of the band structure of a one-dimensional width-modulated magnonic crystal under a transverse magnetic field are reported. The band diagram is found to display distinct behaviors…

Materials Science · Physics 2014-09-26 K. Di , H. S. Lim , V. L. Zhang , S. C. Ng , M. H. Kuok , H. T. Nguyen , M. G. Cottam

One of the most intriguing properties of magnonic systems is their reconfigurability, where an external magnetic field alters the static magnetic configuration to influence magnetization dynamics. In this paper, we present an alternative…

Mesoscale and Nanoscale Physics · Physics 2024-11-04 Julia Kharlan , Krzysztof Szulc , Jarosław W. Kłos , Grzegorz Centała

The possibility of realizing an electrostatically induced phononic crystal is investigated numerically in an acoustic waveguide based on a graphene sheet that is suspended over periodically arrayed electrodes. The application of dc voltage…

Mesoscale and Nanoscale Physics · Physics 2019-02-28 Daiki Hatanaka , Adrian Bachtold , Hiroshi Yamaguchi

An effect of metallization of the magnonic crystal surface on the band gaps formation in the spectra of the surface spin wave (SSW) is studied both theoretically and experimentally. The structures under consideration are one-dimensional…

Materials Science · Physics 2014-11-19 M. Mruczkiewicz , E. S. Pavlov , S. L. Vysotsky , M. Krawczyk , Yu. A. Filimonov , S. A. Nikitov

The field of magnonics, which aims at using spin waves as carriers in data processing devices, has attracted increasing interest in recent years. We present and study micromagnetically a nonlinear nanoscale magnonic ring resonator device…

The efficient excitation of spin waves is a key challenge in the realization of magnonic devices. We demonstrate the current-driven generation of spin waves in antiferromagnetically coupled magnetic vortices. We employ time-resolved…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 Sabri Koraltan , Katrin Schultheiss , Florian Bruckner , Markus Weigand , Claas Abert , Dieter Suess , Sebastian Wintz

Magnonics is now an attractive field which focuses on the dynamic characteristics of magnons, a kind of quasiparticles in magnetic media, and attempt to apply magnons for functional devices. In order to construct magnon based devices, it is…

Strongly Correlated Electrons · Physics 2021-09-14 Zhendong Chen , Fusheng Ma

We report a simple theoretical derivation of the spectrum and damping of spin waves in a cylindrical periodically structured magnetic nanowire (cylindrical magnonic crystal) in the "effective medium" approximation. The dependence of the…

Materials Science · Physics 2007-05-23 V. V. Kruglyak , R. J. Hicken , A. N. Kuchko , V. Yu. Gorobets

A new spin based logic device is proposed. It is comprised of a common free ferromagnetic layer separated by a tunnel junction from three inputs and one output with separate fixed layers. It has the functionality of a majority gate and is…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Dmitri E. Nikonov , George I. Bourianoff , Tahir Ghani

Information transport and processing by pure magnonic spin currents in insulators is a promising alternative to conventional charge-current driven spintronic devices. The absence of Joule heating as well as the reduced spin wave damping in…

We experimentally demonstrate tight focusing of a spin wave beam excited in extended nanometer-thick films of Yttrium Iron Garnet by a simple microscopic antenna functioning as a single-slit near-field lens. We show that the focal distance…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 B. Divinskiy , N. Thiery , L. Vila , O. Klein , N. Beaulieu , J. Ben Youssef , S. O. Demokritov , V. E. Demidov

Magnon transport through a magnetic insulator can be controlled by current-biased heavy-metal gates that modulate the magnon conductivity via the magnon density. Here, we report nonlinear modulation effects in 10$\,$nm thick yttrium iron…

Mesoscale and Nanoscale Physics · Physics 2021-06-23 J. Liu , X-Y. Wei , G. E. W. Bauer , J. Ben Youssef , B. J. van Wees

Over the past few years, the study of magnetization dynamics in artificial spin ices has become a vibrant field of study. Artificial spin ices are ensembles of geometrically arranged, interacting magnetic nanoislands, which display…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Sebastian Gliga , Ezio Iacocca , Olle G. Heinonen
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