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Exchange spin-wave propagation in Ga:YIG nanowaveguides
Andrey A. Voronov, Khrystyna O. Levchenko, Roman Verba, Krist\'yna Dav\'idkov\'a, Carsten Dubs, Michal Urb\'anek, Qi Wang, Dieter Suess, Claas Abert, Andrii V. Chumak
https://arxiv.org/abs/2509.05050

Exchange spin-wave propagation in Ga:YIG nanowaveguides
Spin-wave-based computing has emerged as a promising approach to overcome the fundamental limitations of CMOS technologies. However, the increasing demand for device miniaturization down to a 100 nm scale presents significant challenges for long-distance spin-wave transport. Gallium-substituted yttrium iron garnet (Ga:YIG) offers a potential solution to these challenges due to its unique magnetic properties. The reduced saturation magnetization in Ga:YIG enables efficient excitation of exchange…