Structure, phonons, and orbital degrees of freedom in Fe${}_2$Mo${}_3$O${}_8$

S. Reschke, A. A. Tsirlin, N. Khan +4

We report on the structural and spectroscopic characterization of the multiferroic Fe${}_2$Mo${}_3$O${}_8$. Synchrotron x-ray and neutron diffraction, as well as thermal expansion measur…