Absence of Magnetic Fluctuations in the Ferromagnetic/Topological Heterostructure EuS/Bi${}_2$Se${}_3$

Gavin B. Osterhoudt, Ryan Carelli, Ferhat Katmis +3

Heterostructures of topological insulators and ferromagnets offer new opportunities in spintronics and a route to novel anomalous Hall states. In one such structure, EuS/Bi${}_2$Se…