4 papers
Synthetic Altermagnetism Beyond the Crystal Limit
Rodolfo A. Gallardo, Andrea M. León, Jürgen Lindner +1
Altermagnetic magnons in crystalline materials exhibit momentum-dependent splitting whose nodal structure and chiral character are governed by the point-group symmetry of the magne…
Strain-induced frequency pulling in CoFeB/Cu/Py double-vortex oscillators
Vadym Iurchuk, Jürgen Lindner, Jürgen Fassbender +1
We demonstrate piezostrain-induced frequency pulling in stacked double-vortex structures, magnetostatically coupled through the nonmagnetic spacer. We study the effect of the Cu sp…
Anatomy of localized edge modes in laterally coupled waveguides
Vadym Iurchuk, Sven Stienen, Jürgen Lindner +1
We present a systematic micromagnetic study of standing spin-wave modes in infinitely long Permalloy strips with rectangular cross-section. Using a finite-element dynamic-matrix me…
Excitation of the Gyrotropic Mode in a Magnetic Vortex by Time-Varying Strain
Vadym Iurchuk, Jürgen Lindner, Jürgen Fassbender +1
We demonstrate excitation of the gyrotropic mode in a magnetostrictive vortex by time-varying strain. The vortex dynamics is driven by a time-varying voltage applied to the piezoel…