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We study the excitation of spin waves in scaled magnetic waveguides using the magnetoelastic effect. In uniformly magnetized systems, normal strains parallel or perpendicular to the magnetization direction do not lead to spin wave…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 Rutger Duflou , Florin Ciubotaru , Adrien Vaysset , Marc Heyns , Bart Soree , Iuliana P. Radu , Christoph Adelmann

Spin waves modes in magnetic waveguides with width down to 320 nm have been studied by electrical propagating spin-wave spectroscopy and micromagnetic simulations for both longitudinal and transverse magnetic bias fields. For longitudinal…

Through detailed experimental studies of the angular dependence of spin wave excitations in nanocontact-based spin-torque oscillators, we demonstrate that two distinct spin wave modes can be excited, with different frequency, threshold…

We present a micromagnetic study of linear and nonlinear spin-wave modes excited in an extended permalloy thin film by a microwave driven nanocontact. We show that the linear mode having the frequency equal to the excitation frequency (f)…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Florin Ciubotaru , Alexander A. Serga , Luis Lopez Diaz , Britta Leven , Burkard Hillebrands

We study the generation of propagating spin waves in Ta/CoFeB waveguides by spin-orbit torque antennas and compare them to conventional inductive antennas. The spin-orbit torque was generated by a transverse microwave current across the…

Mesoscale and Nanoscale Physics · Physics 2018-10-31 Giacomo Talmelli , Florin Ciubotaru , Kevin Garello , Xiao Sun , Marc Heyns , Iuliana P. Radu , Christoph Adelmann , Thibaut Devolder

General phenomenological theory of magnetic spin waves in ferromagnetic media is originally reformulated and applied to analysis of magnetostatic waves in films and plates with arbitrary nisotropy under arbitrary external field. Exact…

Other Condensed Matter · Physics 2012-04-03 Yu. E. Kuzovlev , Yu. V. Medvedev , N. I. Mezin

Current induced spin wave excitations in spin transfer torque nano-contacts are known as a promising way to generate exchange-dominated spin waves at the nano-scale. It has been shown that when these systems are magnetized in the film…

Mesoscale and Nanoscale Physics · Physics 2017-12-27 S. Morteza Mohseni , H. F. Yazdi , M. Hamdi , T. Bracher , S. Majid Mohseni

The excitation of high-frequency short-wavelength spin waves is a challenge limiting the application of these propagating magnetization disturbances in information processing systems. We propose a method of local excitation of the…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 Pawel Gruszecki , Igor L. Lyubchanskii , Konstantin Y. Guslienko , Maciej Krawczyk

We show that an electric field can induce nonreciprocal spin wave dispersion in magnetic insulators with negligible spin-orbit coupling. The electric field controls the direction and magnitude of nonreciprocity through a nonlinear…

Strongly Correlated Electrons · Physics 2025-07-15 Xiao-Hui Li , Yuan-Ming Lu , Yuan Wan

A nonlinear model of spin-wave excitation involving a point contact in a thin ferromagnetic film that includes the Oersted magnetic field contribution is presented. We consider the case of an external dc field applied perpendicular to the…

Other Condensed Matter · Physics 2007-05-23 M. A. Hoefer , T. J. Silva

Recent studies on spin-wave propagation in ferromagnetic waveguides has highlighted the role of nonreciprocity resulting from the chiral nature of dipolar interactions in curved elements. However, the impact of spin-wave mode type on…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Uladzislau Makartsou , Mateusz Gołębiewski , Attila Kákay , Olena Tartakivska , Maciej Krawczyk

A robust approach to excitation and control of large amplitude standing magnetization waves in an easy axis ferromagnetic by starting from a ground state and passage through resonances with chirped frequency microwave or spin torque drives…

Mesoscale and Nanoscale Physics · Physics 2019-01-16 L. Friedland , A. G. Shagalov

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

Inelastic neutron scattering with high wave-vector resolution has characterized the propagation of transverse spin wave modes near the antiferromagnetic zone center in the metastable domain state of a random field Ising magnet. A…

Disordered Systems and Neural Networks · Physics 2009-11-07 R. L. Leheny , Y. S. Lee , G. Shirane , R. J. Birgeneau

The theory of localized spin-wave excitations in random-anisotropy magnets has been developed. Starting with a pure Heisenberg ferromagnet, we study the evolution of standing spin waves in a finite-size sample towards localized modes on…

Disordered Systems and Neural Networks · Physics 2023-04-11 D. A. Garanin , E. M. Chudnovsky

Using spin-wave tomography (SWaT), we have investigated the excitation and the propagation dynamics of optically-excited magnetoelastic waves, i.e. hybridized modes of spin waves and elastic waves, in a garnet film. By using time-resolved…

Materials Science · Physics 2018-05-02 Yusuke Hashimoto , Davide Bossini , Tom H. Johansen , Eiji Saitoh , Andrei Kirilyuk , Theo Rasing

We investigate nonlinear magnetoelastic wave dynamics and electrically tunable soliton excitations in hexagonal multiferroic media. By varying the magnetoelastic coupling strength and using a coupled magnetoelastic-ferroelectric continuum…

Mesoscale and Nanoscale Physics · Physics 2026-03-09 Saumen Acharjee , Kallol Kavas Hazarika , Rajneesh Kakoti

Spin waves are promising chargeless information carriers for the future, energetically efficient beyond-CMOS systems. Among many advantages there are the ease of achieving nonlinearity, the variety of possible interactions, and excitation…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Pawel Gruszecki , Konstantin Y. Guslienko , Igor L. Lyubchanskii , Maciej Krawczyk

We report on a spectroscopic study of the spin-wave eigen-modes inside an individual normally magnetized two layers circular nano-pillar (Permalloy$|$Copper$|$Permalloy) by means of a Magnetic Resonance Force Microscope (MRFM). We…

We experimentally investigate frequency-selective spin wave (SW) transmission in a micrometre-scale, ring-shaped magnonic resonator integrated with a linear Yttrium Iron Garnet (YIG) stripe. Using super-Nyquist-sampling magneto-optical Kerr…

Mesoscale and Nanoscale Physics · Physics 2025-10-22 Franz Vilsmeier , Takuya Taniguchi , Michael Lindner , Christian Riedel , Christian Back
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