Temperature dependent photovoltage response in La0.9Li0.1MnO3/SrTiO3 Nb heteroj

The photovoltage response under low intensity pulse laser (473 nm) in the perovskite manganite p-n junction.La0.9Li0.1MnO3/SrTiO3:Nb is investigated within a wide temperature range. The maximum photovoltage occurs.at around the metal-insulator transition temperature (TMI, ~250 K) of La0.9Li0.1MnO3 r