The band gaps among conductors, insulators, and semiconductors are to be explained. Concept introduction: Semiconductors are the solids that have a conductivity between those of conductors and insulators. In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band. Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited. Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited. A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance. Doping: Addition of dopant is doping. n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor. p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

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Answer 1

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Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

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Answer 2

Question

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

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Answer 3

Question

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

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Answer 4

Question

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

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Answer 5

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

Answer 6

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

Answer 7

Chapter 12, Problem 28QP

Interpretation Introduction

Interpretation:

The band gaps among conductors, insulators, and semiconductors are to be explained.

Concept introduction:

Semiconductors are the solids that have a conductivity between those of conductors and insulators.

In a semiconductor, the gap between the conduction band and the valence band is small, so the electrons may jump from valence band to conduction band.

Conduction band: The conduction band is the band of electron orbitals that electrons can jump up into from the valence band when excited.

Valence band: The valence band is the band of electron orbitals that electrons can jump out of, moving into the conduction band when excited.

A Dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

Doping: Addition of dopant is doping.

n-Type semiconductor: A semiconductor that has been doped with electron donor atoms is called an n-type semiconductor.

p-Type semiconductor: A semiconductor that has been doped with electron acceptor atoms is called a p-type semiconductor.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 12.1 - Practice ProblemATTEMPT Saran Wrap, the original...Ch. 12.1 - Prob. 1PPB Ch. 12.1 - Practice ProblemCONCEPTUALIZE Which diagram best...Ch. 12.1 - Prob. 1CP Ch. 12.1 - Prob. 2CP Ch. 12.2 - Prob. 1PPA Ch. 12.2 - Practice ProblemBUILD Kodel is a polymer used to...Ch. 12.2 - Prob. 1PPC Ch. 12.3 - Prob. 1PPA Ch. 12.3 - Prob. 1PPB

Solution Summary: The author explains the band gaps between conductors, insulators, and semiconductors. If the valence band overlaps with the higher energy or unoccupied conduction band, the metal conducts electricity.

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Chapter 12 Solutions