Effect of Zn doping on magnetic order and superconductivity in LaFeAsO

Yuke Li, Xiao Lin, Qian Tao +7

We report Zn-doping effect in the parent and F-doped LaFeAsO oxy-arsenides. Slight Zn doping in LaFe${}_{1-x}$Zn${}_x$AsO drastically suppresses the resistivity anomaly around 150 K…