Magnetic dimers and trimers in the disordered $S=3/2$ spin system BaTi${}_{1/2}$Mn${}_{1/2}$O${}_3$

F. A. Garcia, U. F. Kaneko, E. Granado +7

We report a structural/magnetic investigation by X-ray absorption spectroscopy (XAS), neutron diffraction, dc-susceptibility ($χ_{\mbox{dc}}$) and electron spin resonance (ESR) of…