Question: please quickly thanks ! You have three n-type semiconductors (defined as sc1, sc2 and sc3) and three metals (defined as m1, m2 and m3). These

please quickly thanks !

You have three n-type semiconductors (defined as sc1, sc2 and sc3) and three metals (defined as m1, m2 and m3). These have the work functions (O) as defined below: Osc1 = 5.5ev, Osc2 = 4.5eV, Osc3 = 3.5ev and Om1 = 6eV, Om2 = 5ev and Om3 = 4eV. The maximum barrier height you can get in a rectifying junction with any combination of these semiconductor-metal materials is: O 2.5 ev O 3.5 ev 4.5 ev O 1.5 ev

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