Chiral magnetoacoustics

M Küß, M Albrecht, M Weiler - Frontiers in Physics, 2022 - frontiersin.org
Nonreciprocal microwave devices are key components of communication platforms.
Nonreciprocity can arise in chiral systems, where chirality refers to a fixed handedness that …

Nonreciprocal magnetoacoustic waves in dipolar-coupled ferromagnetic bilayers

M Küß, M Heigl, L Flacke, A Hörner, M Weiler… - Physical Review …, 2021 - APS
We study the interaction of surface acoustic waves (SAWs) with spin waves (SWs) in a Co 40
Fe 40 B 20/Au/Ni 81 Fe 19 system composed of two ferromagnetic layers separated by a …

Electrical Detection of Acoustic Antiferromagnetic Resonance in Compensated Synthetic Antiferromagnets

C Chen, P Liu, S Liang, Y Zhang, W Zhu, L Han… - Physical Review Letters, 2024 - APS
Compensated synthetic antiferromagnets (SAFs) stand out as promising candidates to
explore various spintronic applications, benefitting from high precession frequency and …

Valley-selective phonon-magnon scattering in magnetoelastic superlattices

L Liao, J Puebla, K Yamamoto, J Kim, S Maekawa… - Physical Review Letters, 2023 - APS
Phonons and magnons are engineered by periodic potential landscapes in phononic and
magnonic crystals, and their combined studies may enable valley phonon transport tunable …

Nonreciprocal magnetoacoustic waves in synthetic antiferromagnets with Dzyaloshinskii-Moriya interaction

M Küß, M Hassan, Y Kunz, A Hörner, M Weiler… - Physical Review B, 2023 - APS
The interaction between surface acoustic waves (SAWs) and spin waves (SWs) in a
piezoelectric/magnetic thin film heterostructure yields potential for the realization of novel …

Nonreciprocal transmission of magnetoacoustic waves in compensated synthetic antiferromagnets

M Küß, M Hassan, Y Kunz, A Hörner, M Weiler… - Physical Review B, 2023 - APS
We investigate the interaction between surface acoustic waves (SAWs) and spin waves
(SWs) in a Pt/Co (2 nm)/Ru (0.85 nm)/Co (2 nm)/Pt compensated synthetic antiferromagnet …

Gyro-spintronic material science using vorticity gradient in solids

Y Nozaki, H Sukegawa, S Watanabe… - … and Technology of …, 2024 - Taylor & Francis
We present a novel method for generating spin currents using the gyromagnetic effect, a
phenomenon discovered over a century ago. This effect, crucial for understanding the …

Symmetry of the Magnetoelastic Interaction of Rayleigh and Shear Horizontal Magnetoacoustic Waves in Nickel Thin Films on

M Küß, M Heigl, L Flacke, A Hefele, A Hörner… - Physical Review …, 2021 - APS
We study the interaction of Rayleigh and shear horizontal surface acoustic waves (SAWs)
with spin waves in thin Ni films on a piezoelectric Li Ta O 3 substrate, which supports both …

Oxide magnonics: Spin waves in functional magnetic oxides

Y Zhang, J Chen, J Zhang, H Yu - Applied Physics Reviews, 2022 - pubs.aip.org
Spin waves or their quanta magnons are collective excitations in magnetically ordered
materials. Magnonics have recently attracted tremendous interest for building next …

Electrical evaluation of the alternating spin current generated via spin-vorticity coupling

S Tateno, G Okano, M Matsuo, Y Nozaki - Physical Review B, 2020 - APS
In many interacting-electron systems, the microscopic spin angular momentum of electrons
is conserved along with the macroscopic angular momentum in electrical current flows, ie …