Emergent Phases of Nodeless and Nodal Superconductivity Separated by Antiferromagnetic Order in Iron-based Superconductor (Ca4Al2O6)Fe2(As1-xPx)2: 75As- and 31P-NMR Studies

H. Kinouchi, H. Mukuda, Y. Kitaoka +5

We report ${}^{31}$P- and ${}^{75}$As-NMR studies on (Ca${}_4$Al${}_2$O${}_6$)Fe${}_2$(As${}_{1-x}$P${}_x$)${}_2$ with an isovalent substitution of P for As. We present the novel evolution of emer…