Fast recovery of the pristine magnetic and structural phases in superconducting LaFeAsO${}_{0.89}$F${}_{0.11}$ by Mn/Fe substitution

S. Sanna, P. Carretta, M. Moroni +5

We report on an experimental study of the effect of Mn impurities in the optimally doped LaFeAsO${}_{0.89}$F${}_{0.11}$ compound. The results show that a very tiny amount of Mn, of the…