Two dimensional ordering and collective magnetic excitations in the dilute ferromagnetic topological insulator (Bi${}_{0.95}$Mn${}_{0.05}$)${}_2$Te${}_3$

David Vaknin, Daniel M. Pajerowski, Deborah L. Schlagel +2

Employing elastic and inelastic neutron scattering (INS) techniques, we report on detailed microscopic properties of the ferromagnetism in he magnetic topological insulator (Bi$_{0…