Impurity-induced singlet breaking in SrCu2(BO3)2

A. A. Aczel, G. J. MacDougall, J. A. Rodriguez +8

We have performed $\mu$SR studies on single crystals of SrCu${}_2$(BO${}_3$)${}_2$, a quasi-two-dimensional spin system with a spin singlet ground state. We observe two different muon site…