23Na and 75As NMR Studies on NaFeAs0.8P0.2 Single Crystals

L. Ma, J. Zhang, D. M. Wang +4

We report our ${}^{23}$Na and ${}^{75}$As NMR studies on isovalent phosphorus-doped NaFeAs${}_{0.8}$P${}_{0.2}$ ($T_c=$ 33 K) single crystals. Our data suggest a dramatic enhancement of th…