Cluster Spin Glass State in Ba${}_3$Sb${}_{1+x}$Co${}_{2-x}$O${}_{9-\hat{I}´}$: Cation Disorder and Mixed-Valence Co Dimers

Anzar Ali, Guratinder Kaur, Lukas Keller +1

We investigate the structural, magnetic, and thermodynamic properties of \BSCO\ ($x$ = 0.04, $\hat{I}´$ = 0.54), a hexagonal perovskite featuring face-sharing CoO${}_6$ octahedra that form…