Field driven magnetostructural transitions in GeCo${}_2$O${}_4$

X. Fabrèges, E. Ressouche, F. Duc +9

In the spinel compound GeCo${}_2$O${}_4$, the Co${}^{2+}$ pyrochlore sublattice presents remarkable magnetic field-induced behaviors that we unveil through neutron and X-ray single-cryst…