Henrik Moodysson Rønnow, Frédéric Mila, Marco Grioni, Thorsten Schmitt, Simon Karl Moser, Bastien Dalla Piazza, Sara Fatale, Noore Elahi Shaik
We investigate by resonant inelastic x-ray scattering the magnetic excitations in thin films of tetragonal CuO. We identify a spin wave excitation, dispersing on two cupratelike antiferromagnetic sublattices. Its energy at the boundary of the Brillouin zon ...
2015