Chapter 21, Problem 21.84SP

(a)

Interpretation Introduction

To classify:

$\text{Si}$ doped with $\text{In}$ is n-type or p-type semiconductor

(b)

Interpretation Introduction

To classify:

$\text{Ge}$ doped with $\text{Sb}$ is n-type or p-type semiconductor

(c)

Interpretation Introduction

To classify:

Gray $\text{Sn}$ doped with $\text{As}$ is n-type or p-type semiconductor