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Analytic and numerical studies on curved magnetic nano-objects predict numerous exciting effects that can be referred to as magneto-chiral effects, which do not originate from intrinsic Dzyaloshinskii-Moriya interaction or interface-induced…

Propagating, solitary magnetic wave solutions of the Landau-Lifshitz equation with uniaxial, easy-axis anisotropy in thin (two-dimensional) magnetic films are investigated. These localized, nontopological wave structures, parametrized by…

Pattern Formation and Solitons · Physics 2012-03-20 M. A. Hoefer , M. Sommacal

We investigate the magnetization dynamics in circular Permalloy dots with spatially separated magnetic vortices interconnected by domain walls (double vortex state). We identify a novel type of quasi one-dimensional (1D) localised spin wave…

Mesoscale and Nanoscale Physics · Physics 2012-01-04 F. G. Aliev , A. A. Awad , D. Dielman , A. Lara , V. Metlushko , K. Y. Guslienko

We investigate theoretically skyrmion magnonic crystal, i.e., the dynamics of the magnetization in a chain of the ferromagnetic nanodots being in skyrmion magnetic configuration. We show that collective excitations are possible to be…

Mesoscale and Nanoscale Physics · Physics 2016-06-08 M. Mruczkiewicz , P. Gruszecki , M. Zelent , M. Krawczyk

We describe the features of magnonic crystals based upon antiferromagnetic elements. Our main results are that with a periodic modulation of either magnetic fields or system characteristics, such as the anisotropy, it is possible to tailor…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Roberto E. Troncoso , Camilo Ulloa , Felipe Pesce , A. S. Nunez

We use a neutron spin-echo method with $\mu$eV resolution to determine the lifetimes of spin waves in the prototypical antiferromagnet MnF$_2$ over the entire Brillouin zone. A theory based on the interaction of magnons with longitudinal…

Strongly Correlated Electrons · Physics 2009-11-11 S. P. Bayrakci , T. Keller , K. Habicht , B. Keimer

The existence of the magnetostatic surface spin waves in ferromagnets, known as Damon-Eshbach mode, was recently demonstrated to originate from the topology of the dipole-dipole interaction. In this work, we study the topological…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Jie Liu , Lin Wang , Ka Shen

We provide a theoretical demonstration of controllable non-relativistic spin splitting in both electronic and magnonic bands via targeted structural distortions tied to specific phonon modes. Using MnF$_2$ as a model system, we identify a…

Materials Science · Physics 2025-09-11 Subhadeep Bandyopadhyay , Anoop Raj , Philippe Ghosez , Sumiran Pujari , Sayantika Bhowal

The unsteady, nonlinear magnetization dynamics induced by spin injection in an easy-plane ferromagnetic channel subject to an external magnetic field are studied analytically. Leveraging a dispersive hydrodynamic description, the…

Mesoscale and Nanoscale Physics · Physics 2023-01-27 Mingyu Hu , Ezio Iacocca , Mark Hoefer

The magnonic band gaps of the two types of planar one-dimensional magnonic crystals comprised of the periodic array of the metallic stripes on yttrium iron garnet (YIG) film and YIG film with an array of grooves was analyzed experimentally…

Mesoscale and Nanoscale Physics · Physics 2015-04-01 V. D. Bessonov , M. Mruczkiewicz , R. Gieniusz , U. Guzowska , A. Maziewski , A. I. Stognij , M. Krawczyk

Magnonic crystals are magnetic metamaterials, that provide a promising way to manipulate magnetodynamic properties by controlling the geometry of the patterned structures. Here, we study the magnetodynamic properties of 1D magnonic crystals…

Mesoscale and Nanoscale Physics · Physics 2021-08-05 Suraj Singh , Xiansi Wang , Ankit Kumar , Alireza Qaiumzadeh , Peter Svedlindh , Thomas Tybell , Erik Wahlström

Extending the current understanding and use of magnonics beyond conventional planar systems, we demonstrate surface localization of spin-wave ferromagnetic resonance (FMR) modes by designing complex three-dimensional nanostructures. Using…

Mesoscale and Nanoscale Physics · Physics 2024-11-07 Mateusz Gołębiewski , Krzysztof Szulc , Maciej Krawczyk

We study photonic band structure of two- and three-dimensional magnetophotonic crystals and the polarization properties of their eigenmodes using a plane wave expansion method. The alteration of the photonic band structure and eigenmodes by…

Optics · Physics 2009-07-07 A. B. Khanikaev , K. Yayoi , M. J. Steel , A. V. Baryshev , M. Inoue

The motion of a spin excitation across topologically non-trivial magnetic order exhibits a deflection that is analogous to the effect of the Lorentz force on an electrically charged particle in an orbital magnetic field. We used polarized…

Based on a linearized Landau-Lifshitz equation, we show that two-dimensional periodic allay of ferromagnetic particles coupled with magnetic dipole-dipole interactions supports chiral spin-wave edge modes, when subjected under the magnetic…

Mesoscale and Nanoscale Physics · Physics 2013-05-28 Ryuichi Shindou , Jun-ichiro Ohe , Ryo Matsumoto , Shuichi Murakami , Eiji Saitoh

The presence of interfacial Dzyaloshinskii-Moriya interaction (DMI) may lead to the appearance of N\'eel skyrmions in ferromagnetic films. These topologically protected structures, whose diameter is as small as a few nanometers, can be…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Mattia Bassotti , Raffaele Silvani , Giovanni Carlotti

Reversed structures of artificial spin-ice systems, where elongated holes with elliptical shape (antidots) are arranged into a square array with two orthogonal sublattices, are referred to as anti-squared spin-ice. Using Brillouin light…

Mesoscale and Nanoscale Physics · Physics 2019-05-07 S. Mamica , X. Zhou , A. Adeyeye , M. Krawczyk , G. Gubbiotti

An experimental scheme for studying spin wave propagation across thin film samples is proposed. An experiment upon a periodically layered nanowire is numerically simulated, while the sample might equally well be a continuous film or an…

Other Condensed Matter · Physics 2007-10-25 V. V. Kruglyak , R. J. Hicken

We present a comprehensive study of the dynamical properties of the quantum Heisenberg antiferromagnet on a triangular lattice within the framework of spin-wave theory. The distinct features of spin-wave excitations in the…

Strongly Correlated Electrons · Physics 2022-08-30 A. L. Chernyshev , M. E. Zhitomirsky

We study the propagation of surface spin waves in two wave guides coupled through the dipole-dipole interaction. Essential for the observations made here is the magneto-electric coupling between the spin waves and the effective…

Strongly Correlated Electrons · Physics 2019-09-04 Xi-guang Wang , L. Chotorlishvili , Guang-hua Guo , J. Berakdar
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