Unconventional superconducting gap in NaFe${}_{0.95}$Co${}_{0.05}$As observed by angle-resolved photoemission spectroscopy

Z. -H. Liu, P. Richard, K. Nakayama +16

We have performed high resolution angle-resolved photoemission measurements on superconducting electron-doped NaFe${}_{0.95}$Co${}_{0.05}$As ($T_c\sim$18 K). We observed a hole-like…