The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained. Concept introduction: Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors. n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band. p-type: This type of doped semiconductor is the one in which holes are present in conduction band. Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

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Answer 1

Question

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

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Account for the relative band gap energies of semiconductors interms of periodic trends?

Define a semiconductor? Describe the two main types of semiconductorswhen it is doped with(a) group 13 element, (b) group 15 element.

b) The periodic Table has specific units: Metallic, Semiconductor and Insulator.In your own understanding explain these terminology (i) metal, (ii) semiconductor, (iii) Insulator with respect to band-gap voltage principle. Design practical diagrams to support your answer for each terminology.

Answer 2

Question

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Expert Solution & Answer

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Answer 3

Question

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Expert Solution & Answer

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Answer 4

Question

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Expert Solution & Answer

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Answer 5

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Answer 6

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Answer 7

Chapter 21, Problem 21.69SP

(a)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a semiconductor has to be drawn. Also higher electrical conductivity of semiconductor than metallic conductor has to be explained.

Concept introduction:

Semiconductor: A material which can conduct electricity in range between a metal and an insulator is known as semiconductor. Addition of small amount of impurities increases conductivity of semiconductor and the process is known as doping. n-type and p-type are two types of doped semiconductors.

n-type: This type of doped semiconductor is the one in which many free electrons are present in conduction band.

p-type: This type of doped semiconductor is the one in which holes are present in conduction band.

Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 21.1 - In view of the 3charge on the PO43 ion, explain...Ch. 21.2 - Prob. 21.2P Ch. 21.3 - Prob. 21.3P Ch. 21.4 - Prob. 21.4P Ch. 21.4 - Prob. 21.5CP Ch. 21.5 - Prob. 21.6P Ch. 21.5 - Prob. 21.7CP Ch. 21.6 - Prob. 21.8P Ch. 21.7 - Show that one unit cell of YBa2Cu3O7 (Figure...Ch. 21.8 - Prob. 21.10P

Solution Summary: The author explains the energy band for molecular orbital and electron population of a semiconductor. Addition of impurities increases conductivity of semiconductor and the process is known as doping.

Concept explainers

Interpretation:

The energy band for molecular orbital and electron population of a metallic conductor has to be drawn.

Concept introduction:

Conductor:

Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

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Chapter 21 Solutions

Solution Summary: The author explains the energy band for molecular orbital and electron population of a semiconductor. Addition of impurities increases conductivity of semiconductor and the process is known as doping.

Concept explainers

Interpretation: The energy band for molecular orbital and electron population of a metallic conductor has to be drawn. Concept introduction: Conductor: Any materials which can conducts electricity are known as conductor. There is no band gap in metallic conductor and electrons can easily travel.

Want to see the full answer?

Chapter 21 Solutions