The given set of combinations should be identified that whether they form good semiconductor. Concept Introduction: Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator. Addition of impurity to a semiconductor is termed as doping . Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor. n - type semiconductor: (conduction is due to movement of extra electrons) The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity. Example: Silicon (natural semiconductor) and Phosphorus p -type semiconductor: (conduction is due to movement of holes) The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p -type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons. Example: Silicon (natural semiconductor) and Gallium Whether the given combination of elements will form semiconductor or not.

Question

Want to see the full answer?

Answer 1

Question

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Draw all resonance structures for the following ion: CH₂ Draw all resonance structures on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active by default. 2D ד CONT HD EXP CON ? 1 [1] Α 12 Marvin JS by Chemaxon A DOO H C N Br I UZ OSPF

What is the average mass of the 10 pennies? Report your value with correct significant figures. What is the error (uncertainty) associated with each mass measurement due to the equipment? What is the uncertainty associated with the average value? Note that the uncertainty of the balance will propagate throughout the calculation. What is the standard deviation of the 10 mass measurements? Explain the difference between the propagated uncertainty and the standard deviation. Which number would you use to describe the uncertainty in the measurement? Calculate the total mass of the pennies with associated uncertainty. Calculate the average density of a penny based on these data. Propagate the uncertainty values for both mass and volume in your calculations.

Can you help me and explain the answers please.

Answer 2

Question

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Answer 6

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

Answer 7

Chapter 24.6, Problem 4PPB

(a)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

Whether the given combination of elements will form semiconductor or not.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The given set of combinations should be identified that whether they form good semiconductor.

Concept Introduction:

Semiconductors are substances that conduct electricity either by addition of an impurity or by the effects of temperature on it. Semiconductors have small energy gap between valence and conduction band hence its electrical conductivity lies between conductor and insulator.

Addition of impurity to a semiconductor is termed as doping. Doping alters the conductivity of a semiconductor. The addition of an element having either more or less number of valence electrons than the natural semiconductor decides the combination as the following two types of semiconductor.

n- type semiconductor: (conduction is due to movement of extra electrons)

The element added will have more valence electron than the natural semiconductor. Therefore, the extra electron from the added element resides in conduction band and increase the conductivity.

Example: Silicon (natural semiconductor) and Phosphorus

p-type semiconductor: (conduction is due to movement of holes)

The element added will have less valence electron than the natural semiconductor. Here, instead of extra electron, there will be “holes” at the places, where a semiconductor is replaced by added element. A p-type semiconductor increases conductivity because the holes (effective positive charge; lies at valence band) move through the natural semiconductor rather than electrons.

Example: Silicon (natural semiconductor) and Gallium

To Determine: Whether the given combination of elements will form semiconductor or not.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 15

Ch. 24.1 - Prob. 24.1WE Ch. 24.1 - Prob. 1PPA Ch. 24.1 - Prob. 1PPB Ch. 24.1 - Prob. 1PPC Ch. 24.1 - Prob. 24.2WE Ch. 24.1 - Prob. 2PPA Ch. 24.1 - Prob. 2PPB Ch. 24.1 - Prob. 2PPC Ch. 24.1 - Prob. 24.1.1SR Ch. 24.1 - Prob. 24.1.2SR

Solution Summary: The author explains that the given combination of elements Inand P forms semiconductor.

Want to see the full answer?

Chapter 24 Solutions