Neutron Scattering Investigation of Rhenium Orbital Ordering in $3d-5d$ Double Perovskite Ca${}_2$FeReO${}_6$

Bo Yuan, J. P. Clancy, J. A. Sears +9

We have carried out inelastic neutron scattering experiments to study magnetic excitations in ordered double perovskite Ca${}_2$FeReO${}_6$. We found a well-defined magnon mode with a…