Re-entrant superspin glass phase in La${}_{0.82}$Ca${}_{0.18}$MnO${}_3$ ferromagnetic insulator

P. Anil Kumar, R. Mathieu, P. Nordblad +4

We report results of magnetization and ac susceptibility measurements down to very low fields on a single crystal of the perovskite manganite, La${}_{0.82}$Ca${}_{0.18}$MnO${}_3$. This c…