In: Electrical Engineering
A Si pn junction has a circular cross section with a diameter of
10 μm. This junction
has Na = 1018 cm-3 on one side and Nd = 5 x 1015 cm-3 on the other.
Calculate Xn, Xp,
Q+ (total charge on n side), and E for this junction at equilibrium
(300 K). Sketch E(x)
and charge density to scale.