Magnetism and superconductivity in Sr${}_2$VFeAsO${}_3$ revealed by ${}^{75}$As- and ${}^{51}$V-NMR under elevated pressures

Keiji Ueshima, Fei Han, Xiyu Zhu +3

We report ${}^{75}$As- and ${}^{51}$V-nuclear magnetic resonance (NMR) measurements on the iron-based superconductor Sr${}_2$VFeAsO${}_3$ with alternating stacks structure. We find that th…