Influence of disorder on the structural phase transition and magnetic interactions in Ba${}_{3-x}$Sr${}_x$Cr${}_2$O${}_8$

Henrik Grundmann, Marisa Medarde, Denis Sheptyakov +1

The spin dimer system ${\mathrm{Ba}}_{3-x}{\mathrm{Sr}}_x\mathrm{C}{\mathrm{r}}_2{\mathrm{O}}_8$ is a solid solution of the triplon Bose-Einstein condensation candidates $\mathrm{B}{\mathrm{a}}_3\mathrm{C}{\mathrm{r}}_2{\mathrm{O}}_8$ and $\mathrm{…