Magnetic domain walls can modulate spin-wave transport in perpendicularly magnetized channels, while magnon spin current can drive domain wall motion in the bi-doped yttrium iron garnet channel device.
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Pirro, P. Coherent spin waves driving domain wall motion in insulators. Nat. Nanotechnol. 18, 970–971 (2023). https://doi.org/10.1038/s41565-023-01430-2