A text book of engineering physics

Format:

Book

Author/Creator:

Naidu, S. Mani, Author.

Language:

English

Physical Description:

1 online resource (1 v.) : ill.

Edition:

1st edition

Other Title:

Engineering physics

Place of Publication:

[Place of publication not identified] Pearson 2009

Language Note:

English

System Details:

text file

Summary:

Written in a lucid style, this book assimilates the best practices of conceptual pedagogy, dealing at length with various topics such as crystallography, principles of quantum mechanics, free electron theory of metals, dielectric and magnetic properties, semiconductors, superconductivity, lasers, holography, nanotechnology and optics.

Contents:

Cover

Contents

Foreword

Preface

Acknowledgements

Road Map to the Syllabus

Chapter 1: Bonding in Solids

1.1 Different types of bonding in solids

1.2 Cohesive energy and estimation of cohesive Energy of ionic solids

1.3. Estimation of cohesive energy of NaCl molecule in a solid

1.4 Madelung constant

Formulae

Solved Problems

Multiple Choice Questions

Answers

Review Questions

Chapter 2: Crystal Structures

2.1 Introduction

Distinction between crystalline and amorphous solids

2.2 Space lattice (or) crystal lattice

2.3 The basis and crystal structure

2.4 Unit cell and lattice parameters

2.5 Crystal systems and Bravais lattices

2.6 Structure and packing fractions of simple cubic [SC] structure

2.7 Structure and packing fractions of body-centred cubic structure [BCC]

2.8 Structure and packing fractions of face-centred cubic [FCC] structure

2.9 Diamond cubic structure

2.10 NaCl crystal structure

2.11 Caesium chloride [CsCl] structure

2.12 Zinc sulphide [ZnS] structure

2.13 Stacking sequence in metallic crystals

2.14 Calculation of lattice constant

Chapter 3: Crystal Planes, X-ray Diffraction and Defects in Solids

3.1 Crystal planes, directions and Miller indices

3.2 Distance of separation between successive hkl planes

3.3 Imperfections in crystals

3.4 Energy for the formation of a vacancy and number of vacancies - at equilibrium concentration

3.5 Diffraction of X-rays by crystal planes and Bragg's law

3.6 Powder method

3.7 Laue method

Chapter 4: Principles of Quantum Mechanics

4.1 Waves and particles - de Broglie hypothesis - Matter waves.

Matter waves

Properties of matter waves

4.2 Relativistic correction

4.3 Planck's quantum theory of black body radiation

4.4 Experimental study of matter waves

4.5 Schrödinger's time-independent wave equation

4.6 Heisenberg uncertainty principle

4.7 Physical significance of the wave function

4.8 Particle in a potential box

(a) Particle in a one-dimensional box [or one dimensional potential well]

(b) Particle in a rectangular three-dimensional box

Chapter 5: Electron Theory of Metals

5.1 Introduction

5.2 Classical free electron theory of metals

To study electrical conductivity

5.3 Relaxation time, mean free path, mean collision time and drift velocity

5.4 Fermi-Dirac distribution

5.5 Quantum free electron theory of electrical conduction

5.6 Sources of electrical resistance

5.7 Band theory of solids

(a) Introduction

(b) Kronig-Penney model - origin of energy bands

5.8 Bloch theorem

5.9 Origin of energy bands formation in solids

5.10 Velocity and effective mass of an electron

Effective mass of an electron

5.11 Distinction between metals, semiconductors and insulators

Chapter 6: Dielectric Properties

6.1 Introduction

6.2 Dielectric constant

6.3 Internal or local field

6.4 Clausius-Mosotti relation

6.5 Orientational, ionic and electronic polarizations

(a) Dipolar or orientational polarization

(b) Ionic polarization

(c) Electronic polarization

6.6 Frequency dependence of polarizability: (Dielectrics in alternating fields)

6.7 Piezoelectricity

6.8 Ferroelectricity

6.9 Frequency dependence of dielectric constant

Orientational polarization

Ionic polarization.

Electronic polarization

6.10 Important requirements of insulators

(a) Electrical requirements

(b) Thermal requirements

(c) Mechanical requirements

(d) Chemical requirements

Chapter 7: Magnetic Properties

7.1 Magnetic permeability

7.2 Magnetization (M )

7.3 Origin of magnetic moment-Bohr magneton-electron spin

(i) Magnetic moment due to orbital motion of electrons and orbital angular momentum

(ii) Magnetic moment due to spin of the electrons

(iii) Magnetic moment due to nuclear spin

7.4 Classification of magnetic materials

(i) Diamagnetic material

(ii) Paramagnetic materials

(iii) Ferromagnetic materials

(iv) Anti-ferromagnetic materials

(v) Ferrimagnetic materials [Ferrites]

7.5 Classical theory of diamagnetism [Langevin theory]

7.6 Theory of paramagnetism

7.7 Domain theory of ferromagnetism

Effect of temperature

Experimental evidences for domain structure

Origin of [Ferromagnetic] domains

Explanation for origin of domains

7.8 Hysteresis curve

7.9 Anti-ferromagnetic substances

7.10 Ferrimagnetic substances [Ferrites]

7.11 Soft and hard magnetic materials

(a) Soft magnetic materials

(b) Hard magnetic materials

Comparison between soft and hard magnetic materials

7.12 Applications of ferrites

Chapter 8: Semiconductors

8.1 Introduction

8.2 Intrinsic semiconductors-carrier concentration

Electron concentration

For hole concentration

To evaluate Fermi energy

To find intrinsic concentration (ni )

8.3 Electrical conductivity of a semiconductor

To find energy gap of a semiconductor

Increase of temperature to double the conductivity.

8.4 Extrinsic semiconductors

8.5 Carrier concentration in extrinsic semiconductors

8.6 Minority carrier life time

8.7 Drift and diffusion currents

(a) Drift current

(b) Diffusion current

8.8 Einstein's relations

8.9 Continuity equation

8.10 Hall effect

8.11 Direct and indirect band gap semiconductors

8.12 Formation of p-n junction

8.13 Energy band diagram of p-n diode

8.14 Diode equation

8.15 p-n junction biasing

8.16 V-I characteristics of p-n diode

8.17 p-n diode rectifier

8.18 Light emitting diode [LED]

8.19 Liquid crystal display (LCD)

8.20 Photodiodes

Chapter 9: Superconductivity

9.1 Introduction

9.2 General features of superconductors

9.3 Type-I and Type-II superconductors

9.4 Penetration depth

9.5 Flux quantization

9.6 Quantum tunnelling

9.7 Josephson's effect

9.8 BCS theory

Description

Coherent length

BCS ground state

9.9 Applications of superconductivity

9.9.1 Magnetic applications

9.9.2 Electrical applications

9.9.3 Computer applications

9.9.4 Josephson junction devices

9.9.5 Maglev vehicles

9.9.6 Medical applications

Chapter 10: Lasers

10.1 Introduction

10.2 Characteristics of laser radiation

10.3 Spontaneous and stimulated emission

10.4 Einstein's coefficients

10.5 Population inversion

10.6 Helium-Neon gas [He-Ne] laser

10.7 Ruby laser

10.8 Semiconductor lasers

10.9 Carbon dioxide laser

10.10 Applications of lasers

Formula

Chapter 11: Fibre Optics

11.1 Introduction.

11.2 Principle of optical fibre, acceptance angle and acceptance cone

11.3 Numerical aperture (NA)

11.4 Step index fibres and graded index fibres-transmission of signals in them

11.5 Differences between step index fibres and graded index fibres

11.6 Differences between single mode fibres and multimode fibres

11.7 Attenuation in optical fibres

11.8 Optical fibres in communication

11.9 Advantages of optical fibres in communication

11.10 Fibre optic sensing applications

(a) Displacement sensors

(b) Liquid level sensor

(c) Temperature and pressure sensor

(d) Chemical sensors

11.11 Applications of optical fibres in medical field

Chapter 12: Holography

12.1 Introduction

12.2 Basic principle of holography

12.3 Recording of image on a holographic plate

12.4 Reconstruction of image from a hologram

12.5 Applications of holography

Chapter 13: Nanotechnology

13.1 Basic principle of nano science and nanotechnology

13.2 Physical properties

(i) Geometric structure

(ii) Optical properties

(iii) Thermal properties

(iv) Magnetic properties

(v) Electronic properties

(vi) Mechanical properties

13.3 Chemical properties

13.4 Fabrication

13.5 Production of nanoparticle

(i) Plasma arcing

(ii) Sol-gel method

(iii) Chemical vapour deposition

(iv) Ball milling

(v) Electrode position

13.6 Carbon nanotubes

(b) Formation of nano tubes

(c) Properties of nanotubes

(d) Applications of nanotubes

13.7 Applications of nanotechnology

Chapter 14: Optics

14.1 Superposition of waves

14.2 Young's double slit experiment.

Explanation of interference.

Notes:

Bibliographic Level Mode of Issuance: Monograph

Description based on publisher supplied metadata and other sources.

ISBN:

9789332500945

9332500940

OCLC:

1024278772