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Question 45

In a semiconductor p-n  diode, the doping concentrations on p-side has $$10^{15}$$ atoms/cm³ and the n-side has $$10^{18}$$ atoms/cm³respectively.  Which one of the following statements is true?

$$\text{Width } (x) \propto \frac{1}{\text{Doping concentration}}$$

$$N_D \gg N_A \quad (10^{18} > 10^{15})$$

Hence, the depletion region must extend much deeper into the lightly doped p-side than into the heavily doped n-side.

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