Surface electronic structure and evidence of plain s-wave superconductivity in (Li0.8Fe0.2)OHFeSe

Y. J. Yan, W. H. Zhang, M. Q. Ren +11

(Li0.8Fe0.2)OHFeSe is a newly-discovered intercalated iron-selenide superconductor with a Tc above 40 K, which is much higher than the Tc of bulk FeSe (8 K). Here we report a syste…