Observation of a charge-neutral muon-polaron complex in antiferromagnetic Cr${}_2$O${}_3$

M. H. Dehn, J. K. Shenton, S. Holenstein +13

We report a comprehensive muon spin rotation ($\mu$SR) study of the prototypical magnetoelectric antiferromagnet Cr${}_2$O${}_3$. We find the positively charged muon (${\mu }^{+}$) occupies sev…