Spin Wave Dynamics in YMn6Sn6

Kagome lattice materials host competing spin interactions that lead to complex magnetic behaviors. Recent studies have shown that the Kagome material YMn6Sn6 displays giant topological Hall effect and a large intrinsic anomalous Hall effect. Additionally, studies have found that the AHE impacts magnetization dynamics in materials such as SrRuO3 which exhibits an anomalous temperature dependence of both the AHE and spin-wave gap and stiffness. We propose to study the temperature dependence of the magnetic spin excitations in YMn6Sn6. This experiment followed by field-dependent studies will shed new light on how the THE and AHE impact magnetization of this system.