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Magnetic inertial dynamics has recently been predicted and experimentally demonstrated in two-sublattice ferromagnets such as CoFeB and NiFe permalloy. In this work, we investigate the spin-wave spectrum of such systems by incorporating the…

Mesoscale and Nanoscale Physics · Physics 2025-12-23 Subhadip Ghosh , Darpa Narayan Basu , Ritwik Mondal

In 2D XY ferromagnet the dipole force induces a strong interaction between spin-waves in the long-wavelength limit. The major effect of this interaction is the transformation of a propagating spin-wave into a diffusion mode. We study the…

Condensed Matter · Physics 2009-10-28 Ar. Abanov , A. Kashuba , V. L. Pokrovsky

We found by micromagnetic simulations that the motion of a transverse wall (TW) type domain wall in magnetic thin-film nanostripes can be manipulated via interaction with spin waves (SWs) propagating through the TW. The velocity of the TW…

Artificial spin ice is a special class of engineered lattice of highly shape anisotropic single domain magnetic nanostructures which is used as one of the model systems to study the spin ice behavior observed in pyrochlore oxides. The…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Nimisha Arora , Pintu Das

We present an experimental investigation of radial spin-wave modes in magnetic nano-disks with a vortex ground state. The spin-wave amplitude was measured using a frequency-resolved magneto optical network analyzer, allowing for…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 M. Helsen , A. Gangwar , J. De Clercq , A. Vansteenkiste , B. Van Waeyenberge

We theoretically and numerically elucidate the electrical control over spin waves in antiferromagnetic materials (AFM) with biaxial anisotropies and Dzyaloshinskii-Moriya interactions. The spin wave dispersion in an AFM manifests as a…

Applied Physics · Physics 2024-11-21 T. H. Kim , Jung-Il Kim , Geun-Ju Kim , Kwang-Ho Jang , G. -M. Choi

Broadband ferromagnetic resonance is measured in single crystalline Fe films of varying thickness sandwiched between MgO layers. An exhaustive magnetic characterization of the films (exchange constant, cubic, uniaxial and surface…

Materials Science · Physics 2023-01-10 José Solano , Olga Gladii , Pierre Kuntz , Yves Henry , David Halley , Matthieu Bailleul

Spin waves (SWs), the collective precessional motion of spins in a magnetic system, have been proposed as a promising alternative system with low-power consumption for encoding information. Spin Hall nano-oscillator (SHNO), a new-type…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Liyuan Li , Lina Chen , Ronghua Liu , Youwei Du

Spin waves in magnetic nanowires can be bound by a local bending of the wire. The eigenfrequency of a truly local magnon mode is determined by the curvature: a general analytical expression is established for any infinitesimally weak…

The interface between a ferro-/ferrimagnetic insulator and a normal metal can support spin currents polarized collinear with and perpendicular to the magnetization direction. The flow of angular momentum perpendicular to the magnetization…

Mesoscale and Nanoscale Physics · Physics 2023-01-23 David A. Reiss , Piet W. Brouwer

Spin waves in magnetic materials are promising information carriers for future computing technologies due to their ultra-low energy dissipation and long coherence length. Antiferromagnets are strong candidate materials due, in part, to…

Magnetostatic surface spin waves (MSSW) excited from a coplanar waveguide antenna travel in different directions with different amplitudes. This effect, called nonreciprocity of MSSW, has been investigated by micromagnetic simulations. The…

Materials Science · Physics 2015-06-17 Praveen Deorani , Jae Hyun Kwon , Hyunsoo Yang

Spin wave dispersion in the metallic antiferromagnet Mn$_3$Pt was investigated just above the order-order transition temperature by using the inelastic neutron scattering technique. The spin wave dispersion at $T = 400$ K along [100], [110]…

Materials Science · Physics 2017-07-06 Soshi Ibuka , Tetsuya Yokoo , Shinichi Itoh , Kazuya Kamazawa , Mitsutaka Nakamura , Motoharu Imai

Active control of spin-wave dynamics is demonstrated using broadband ferromagnetic resonance in two-dimensional Ni80Fe20 antidot lattices arranged in hexagonal lattice with fixed lattice constant but varying antidot diameter. A strong…

Mesoscale and Nanoscale Physics · Physics 2018-12-24 Samiran Choudhury , Sudip Majumder , Saswati Barman , YoshiChika Otani , Anjan Barman

We propose a mathematical model for describing radially propagating spin waves emitted from the core region in a magnetic patch with n vertices in a magnetic vortex state. The azimuthal anisotropic propagation of surface spin waves (SSW)…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 D. Osuna Ruiz , A. P. Hibbins , F. Y. Ogrin

We experimentally investigate magnon-polaritons, arising in ferrimagnetic resonance experiments in a microwave cavity with a tuneable quality factor. To his end, we simultaneously measure the electrically detected spin pumping signal and…

Materials Science · Physics 2016-09-07 Hannes Maier-Flaig , Michael Harder , Rudolf Gross , Hans Huebl , Sebastian T. B. Goennenwein

We show theoretically that a weakly interacting gas of spin-polarized exciton-polaritons in a semiconductor microcavity supports propagation of spin waves. The spin waves are characterised by a parabolic dispersion at small wavevectors…

Mesoscale and Nanoscale Physics · Physics 2015-04-30 M. M. Glazov , A. V. Kavokin

With the advent of the post-Moore era, researches on beyond-Complementary Metal Oxide Semiconductor (CMOS) approaches have been attracted more and more attention. Magnonics, or spin wave is one of the most promising technology beyond CMOS,…

Applied Physics · Physics 2022-03-14 Lei Zheng , Lichuan Jin , Tianlong Wen , Yulong Liao , Xiaoli Tang , Huaiwu Zhang , Zhiyong Zhong

Cubic chiral magnets, such as Cu$_{2}$OSeO$_{3}$, exhibit a variety of non-collinear spin textures, including a trigonal lattice of spin whirls, so-called skyrmions. Using magnetic resonant elastic x-ray scattering (REXS) on a crystalline…

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…