Coupled sawtooth chain exchange network in olivine Mn${}_2$GeO${}_4$

Vincent C. Morano, Zeno Maesen, Stanislav Nikitin +6

Sawtooth chain magnets have been a subject of historical interest in the field of frustrated magnetism, with classical olivine family $M_{2}T{X}_4$, ($M$ - 3d, $T$ - 4p, $X$ - chalcoge…