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 with out-of-plane phononic angular momenta

L Liao, F Chen, J Puebla, J Kishine, K Kondou… - Science …, 2024 - science.org
Surface acoustic wave (SAW) can carry phononic angular momentum, showing great
potential as an energy-efficient way to control magnetism. Still, out-of-plane phononic …

Detection of spin current generated by the acoustic spin–rotation coupling mechanism via acoustic voltage

S Mi, C Zhao, M Liu, J Wang, Q Liu - Applied Physics Letters, 2024 - pubs.aip.org
The method of combining surface acoustic waves (SAWs) with electrical detection has
promoted the study of phonon–spin coupling and spintronics. Aiming at problems of difficult …

Strongly coupled spin waves and surface acoustic waves at room temperature

Y Hwang, J Puebla, K Kondou… - Physical Review Letters, 2024 - APS
Here, we report the observation of strong coupling between magnons and surface acoustic
wave (SAW) phonons in a thin CoFeB film constructed in an on-chip SAW resonator by …