Band Structure and Pairing Nature of La${}_3$Ni${}_2$O${}_7$ Thin Film at Ambient Pressure

Zhi-Yan Shao, Yu-Bo Liu, Min Liu +1

Recently, evidences of superconductivity (SC) with onset $T_c$ above the McMillan limit have been detected in the La${}_3$Ni${}_2$O${}_7$ ultrathin film grown on the LaSrAlO${}_4$ substrat…