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We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

Superconductivity · Physics 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

The magnetization reversal in stripe-like exchange bias patterned $\rm Ni_{81}Fe_{19}/IrMn$ thin films was investigated by complementary inductive and high resolution magneto optical magnetometry, magneto optical Kerr microscopy, and…

Materials Science · Physics 2015-05-14 C. Hamann , B. P. Toperverg , K. Theis-Bröhl , M. Wolff , R. Kaltofen , I. Mönch , J. McCord , L. Schultz

We present new mechanism for manipulation of the spin-wave amplitude through the use of the dynamic charge-mediated magnetoelectric effect in ultrathin multilayers composed of dielectric thin-film capacitors separated by a ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Piotr Graczyk , Maciej Krawczyk

With the development of condensed-matter physics and nanotechnology, attention has turned to the fields near and on surfaces that result from interactions between electric dipole radiation and mesoscale structures. It is hoped that studying…

Optics · Physics 2022-01-07 Qiang Sun , Evert Klaseboer

The influence of long-range dipole interactions on two dimensional magnetism has been studied extensively in the spin-reorientation transition of ferromagnetic ultrathin films. Although there is a great deal of experimental information on…

Materials Science · Physics 2018-11-26 G. He , R. Belanger , P. H. Hguyen , D. Venus

This chapter describes spin-wave excitations in nanosized dots and rings in the presence of the vortex state. The special attention is paid to the manifestation of the competition between exchange and dipolar interactions in the spin-wave…

Mesoscale and Nanoscale Physics · Physics 2017-03-21 Sławomir Mamica

Van der Waals magnetic materials are currently of great interest as materials for applications in future ultrathin nanoelectronics and nanospintronics. Due to weak coupling between individual monolayers, these materials can be easily…

Mesoscale and Nanoscale Physics · Physics 2023-11-21 Wojciech Rudziński , Józef Barnaś , Anna Dyrdał

A method and some results of numeric simulations of magnetostatic spin waves in ferromagnetic films are exponded, in comparison with the theory earlier presented in arXiv preprint 1204.0200. In particular, roles of films finiteness (edges)…

Other Condensed Matter · Physics 2012-04-12 Yu. E. Kuzovlev , Yu. V. Medvedev , N. I. Mezin

We theoretically demonstrate linear spin-wave nonreciprocity in a Ni80Fe20 nanostripe waveguide, based on interband magnonic transitions induced by a time-reversal and spatialinversion symmetry breaking magnetic field. An analytical…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Kai Di , Hock Siah Lim , Vanessa Li Zhang , Ser Choon Ng , Meng Hau Kuok

We develop an analytical approach for studying the FMR frequency shift due to dipolar interactions and surface effects in two-dimensional arrays of nanomagnets with (effective) uniaxial anisotropy along the magnetic field. For this we build…

Mesoscale and Nanoscale Physics · Physics 2018-06-11 J. -L. Déjardin , A. F. Franco , F. Vernay , H. Kachkachi

We study the effect of long range dipolar forces on the dynamics and morphology of domain walls in magnetic thin films by numerical simulations of the spin-1 random field Ising model. By studying the size distribution of avalanches of…

Materials Science · Physics 2015-05-14 Adil Mughal , Lasse Laurson , Gianfranco Durin , Stefano Zapperi

In this paper, the effect of weak nonlinearities in 1D locally resonant metamaterials is investigated via the method of multiple scales. Commonly employed to the investigate the effect of weakly nonlinear interactions on the free wave…

Applied Physics · Physics 2018-12-17 P. B. Silva , M. J. Leamy , M. G. D. Geers , V. G. Kouznetsova

The Doppler shift of the quasiparticle dispersion by charge currents is responsible for the critical supercurrents in superconductors and instabilities of the magnetic ground state of metallic ferromagnets. Here we predict an analogous…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Tao Yu , Chen Wang , Michael A. Sentef , Gerrit E. W. Bauer

Spin wave propagation along a ferrimagnetic strip with out-of-plane magnetization is studied by means of micromagnetic simulations. The ferrimagnetic material is considered as formed by two antiferromagnetically coupled sublattices. Two…

We investigate the spin-transfer torque in a magnetic multilayer structure by means of a spin-diffusion model. The torque in the considered system, consisting of two magnetic layers separated by a conducting layer, is caused by a…

We study the magnetic damping in the simplest of synthetic antiferromagnets, i.e. antiferromagnetically exchange-coupled spin valves in which applied magnetic fields tune the magnetic configuration to become noncollinear. We formulate the…

Mesoscale and Nanoscale Physics · Physics 2015-08-07 Takahiro Chiba , Gerrit E. W. Bauer , Saburo Takahashi

Some experimental evidences for methane are produced that the simple transition from frequency scanning of nonlinear-optical resonances to magnetic one may be accompanied with transition from sub-Doppler collisionally broadened structure to…

Chemical Physics · Physics 2009-11-10 K. I. Gus'kov , V. I. Kovalevsky , A. G. Rudavets , E. G. Saprykin

Spin wave resonances with enormously large wave numbers corresponding to wave vectors 10^5-10^6 cm^{-1} are observed in thin plates of FeBO3. The study of spin wave resonances allows one to obtain information about the spin wave spectrum.…

Strongly Correlated Electrons · Physics 2011-03-03 H. -A. Krug von Nidda , L. E. Svistov , L. A. Prozorova

We report broadband spectroscopy and numerical analysis by which we explore propagating spin waves in a magnetic bilayer consisting of a 23 nm thick permalloy film deposited on 130 nm thick $Y_{3}Fe_{5}O_{12}$. In the bilayer, we observe a…

Applied Physics · Physics 2019-04-03 Kyongmo An , Vinayak Bhat , Michal Mruczkiewicz , Carsten Dubs , Dirk Grundler

The Dzyaloshinskii-Moriya interaction (DMI) has an impact on excited spin waves in the chiral magnet Cu$_2$OSeO$_3$ by means of introducing asymmetry on their dispersion relations. The confined eigenmodes of a chiral magnet are hence no…