Physics of Semiconductor Devices

Sze problem 7.6

In a metal-Si Schottky barrier contact, the barrier height is 0.75 eV and A^* = 90 A/cm²K². Calculate the ratio of the injected hole current to the electron current at 300 K, assuming D_p = 12 cm²s^-1, L_p = 10^-3 cm, and N_D = 10¹⁶ cm^-3.