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Hybridized nuclear and electron spin excitation in a MnCO$_3$ crystal, a weakly-anisotropic antiferromagnet, has been investigated. In this material, the hyperfine interaction is strong enough to form a nuclear spin wave. We measure the…

We observe strongly nonlinear spin dynamics in ferro-/antiferro-magnetic multilayers, controlled by the number of bilayers in the system, layer thicknesses, as well as temperature, peaking in magnitude near the N\'eel point of the…

Mesoscale and Nanoscale Physics · Physics 2025-06-23 O. Busel , D. Polishchuk , A. Kravets , V. Korenivski

This Letter presents a theoretical analysis of propagation of spin waves in a superconducting ferromagnet. The surface impedance was calculated for the case when the magnetization is normal to the sample surface. We found the frequencies at…

Condensed Matter · Physics 2009-11-10 V. Braude , E. B. Sonin

Ferromagnetic resonance modes in a single rectangular Ni$_{80}$Fe$_{20}$ microstrip were directly imaged using time-resolved scanning transmission x-ray microscopy combined with a phase-locked ferromagnetic resonance excitation scheme and…

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

Spin waves are ideal candidates for wave-based computing, but the construction of magnetic circuits is blocked by a lack of an efficient mechanism to excite long-running exchange spin waves with normalised amplitudes. Here, we solve the…

An antiferromagnet is a promising material for spin-orbit torque generation. Earlier studies of the spin-orbit torque in an antiferromagnet are limited to collinear spin configurations. We calculate the spin-orbit torque in an…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Suik Cheon , Hyun-Woo Lee

We derive the effective long-wavelength Euclidean action for the antiferromagnetic spin-waves of ordered quantum antiferromagnets subject to a uniform magnetic field. We point out that the magnetic field dependence of the spin-wave…

Strongly Correlated Electrons · Physics 2007-05-23 Nils Hasselmann , Florian Schuetz , Ivan Spremo , Peter Kopietz

We have studied the propagation characteristics of spin wave modes in a permalloy stripe by time-resolved magneto-optical Kerr effect techniques. We observe a beating interference pattern in the time domain under the influence of an…

Materials Science · Physics 2015-06-23 Siddharth Rao , Jungbum Yoon , Jan Rhensius , Charanjit S. Bhatia , Hyunsoo Yang

We present experimental observations of the interference of spin-wave modes propagating in opposite directions in micron-sized NiFe-waveguides. To monitor the local spin-wave intensity distribution and phase of the formed interference…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Philipp Pirro , Thomas Brächer , Katrin Vogt , Björn Obry , Helmut Schultheiss , Britta Leven , Burkard Hillebrands

Understanding the dynamics of interacting quantum spins has been one of the active areas of condensed matter physics research. Recently, extensive inelastic neutron scattering measurements have been carried out in an interesting class of…

Strongly Correlated Electrons · Physics 2018-08-27 Kingshuk Majumdar , S. D. Mahanti

Spin-transfer-torque, a transfer of angular momentum between the electron spin and the local magnetic moments, is a promising and key mechanism to control ferromagnetic materials in modern spintronic devices . However, much less attention…

Materials Science · Physics 2015-02-20 T. Moriyama , M. Nagata , K. Tanaka , K-J. Kim , H. Almasi , W. Wang , T. Ono

We demonstrate that ferromagnetic and antiferromagnetic excitations can be triggered by the dynamical spin accumulations induced by the bulk and surface contributions of the spin Hall effect. Due to the spin-orbit interaction, a…

Mesoscale and Nanoscale Physics · Physics 2016-12-28 F. S. M. Guimarães , S. Lounis , A. T. Costa , R. B. Muniz

Antiferromagnetic (AFM) materials offer a promising platform for exploring novel couplings between altermagnetic (AM) spin-splitting and magneto-optical Kerr effect (MOKE), with potential applications in next-generation quantum…

Boundary conditions for order parameters at an interface between ferromagnetic (FM) and two-sublattice antiferromagnetic (AFM) materials were obtained in the continuous medium approximation similarly to the approach which allows one to take…

Applied Physics · Physics 2020-03-10 Oksana Busel , Oksana Gorobets , Yuri Gorobets

The spin wave dispersions of the low temperature antiferromagnetic phase (AF1) MnWO$_4$ have been numerically calculated based on the recently reported non-collinear spin configuration with two different canting angles. A Heisenberg model…

Materials Science · Physics 2018-08-01 B. -Q. Liu , S. -H. Park , P. Cermak , A. Schneidewind , Y. Xiao

We find unexpected low energy excitations of fully spin-polarized composite-fermion ferromagnets in the fractional quantum Hall liquid, resulting from a complex interplay between a topological order manifesting through new energy levels and…

Strongly Correlated Electrons · Physics 2011-11-10 U. Wurstbauer , S. S. Mandal , D. Majumder , I. Dujovne , T. D. Rhone , B. S. Dennis , A. F. Rigosi , J. K. Jain , A. Pinczuk , K. W. West , L. N. Pfeiffer

We report the observation of strong coupling between the exchange-coupled spins in gallium-doped yttrium iron garnet and a superconducting coplanar microwave resonator made from Nb. The measured coupling rate of 450 MHz is proportional to…

A non-standing character of directly imaged spin-waves in confined micron-sized ultrathin permalloy (Ni\textsubscript{80}Fe\textsubscript{20}) structures is reported along with evidence of the possibility to alter the observed state by…

The exchange bias (EB) effect, arising from interfacial coupling between ferromagnetic (FM) and antiferromagnetic (AF) layers, induces a unidirectional magnetic anisotropy and underpins a wide range of spintronic functionalities. Extending…

Materials Science · Physics 2026-01-16 Balram Singh , Aman Singh , Stefan Mikulik , Jakub Jurczyk , Volker Neu , Amalio Fernández-Pacheco