Possible liquid-nitrogen-temperature superconductivity driven by perpendicular electric field in the single-bilayer film of La3Ni2O7 at ambient pressure

orbitals in this layer, the interlayer s-wave pairing is suppressed, but the intralayer d-wave pairing in this layer is strongly enhanced. We numerically verify this idea and yield that an imposed voltage of about 0.1 ~ 0.2 volt between layers is enough to realize liquid-nitrogen-temperature HTSC in this single bilayer at AP. Our results appeal for experimental verification.