Sketch the energy band diagram of the mos structure at

Question

Answer the following questions based on the C-V curve for an MOS capacitor shown in Fig. 5--39. The area of the capacitor is 10⁴µm².

(a) Is the substrate doping N type or P type?

(b) What is the thickness of the oxide in the MOS capacitor?

(c) What is the doping concentration of the substrate. Nrub?

(d) What is the value of the capacitance at position Con the C- V curve shown above?

(e) Sketch the energy band diagram of the MOS structure at positions A, B, C. D, and E on the C-V curve. (f) At location B on the C- V curve. what is the band bending. φ_s?