Spin Waves and Spatially Anisotropic Exchange Interactions in the $\mathrm{S}=2$ Stripe Antiferromagnet Rb${}_{0.8}$Fe${}_{1.5}$S${}_2$

Meng Wang, P. Valdivia, Ming Yi +12

An inelastic neutron scattering study of the spin waves corresponding to the stripe antiferromagnetic order in insulating Rb${}_{0.8}$Fe${}_{1.5}$S${}_2$ throughout the Brillouin zone is…