Draw the schematic diagram showing the energy level alignment of metal- semiconductor and semiconductor-semiconductor junctions after contact under thermal equilibrium for the following cases. Note P = work function % = electron affinity EG = band gap Ec = conduction band Ey = valence band EF = fermi level 2. Metal semiconductor EVAC Xs Ec ErM Eps Ey Before contact Electron energy

Draw the schematic diagram showing the energy level alignment of metal- semiconductor and semiconductor-semiconductor junctions after contact under thermal equilibrium for the following cases. Note P = work function % = electron affinity EG = band gap Ec = conduction band Ey = valence band EF = fermi level 2. Metal semiconductor EVAC Xs Ec ErM Eps Ey Before contact Electron energy