PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.
PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.
2nd Edition
ISBN: 9781285074788
Author: Ball
Publisher: CENGAGE L
Question
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Chapter 21, Problem 21.61E
Interpretation Introduction

(a)

Interpretation:

The dopants required to make GaAs a p-type semiconductor is to be stated.

Concept introduction:

A semiconductor is type of conductor that has conductance in-between good conductors and insulators. There are two types of semiconductors, that is, p-type semiconductor and an n-type semiconductor. The p-type semiconductor has holes to conduct electricity and n-type semiconductor has electrons to conduct electricity.

Interpretation Introduction

(b)

Interpretation:

The dopants required to make GaAs an n-type semiconductor is to be stated.

Concept introduction:

A semiconductor is type of conductor that has conductance in-between good conductors and insulators. There are two types of semiconductors, that is, p-type semiconductor and an n-type semiconductor. The p-type semiconductor has holes to conduct electricity and n-type semiconductor has electrons to conduct electricity.

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The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is the energy gap (in electron volts) between the valence and conduction bands for this photocell? (b) Explain why pure silicon is opaque.
4) Use the combination of the following elements: Si:Al and Si:N to explain the concept of N-type and P-type doping of semiconductor.
Is gallium-doped germanium a p-type or n-type semiconductor?

Chapter 21 Solutions

PHYSICAL CHEMISTRY-STUDENT SOLN.MAN.

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