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Features

Covers key and current theories, practices, and applications in magnetism and magnetic materials
Presents new material on magneto-transport, small particles, nanomagnetism, magnetic semiconductors, spintronics, and high-frequency magnetism
Provides the latest information on soft and hard magnetic materials
Discusses new applications in magnetic data storage
Includes updated and new exercise problems at the end of every chapter, accompanied by answers at the back of the book
Summary

A long overdue update, this edition of Introduction to Magnetism and Magnetic Materials is a complete revision of its predecessor. While it provides relatively minor updates to the first two sections, the third section contains vast updates to reflect the enormous progress made in applications in the past 15 years, particularly in magnetic recording. The book includes significant updates to soft magnetic materials, hard magnetic materials, magnetic data storage, and magnetic evaluation of materials. It also adds new information on magneto-transport, small particles, nanomagnetism, magnetic semiconductors, spintronics, and high-frequency magnetism.

See What's New in the Third Edition

New coverage of applications of magnetism and magnetic materials, especially in magnetic recording
Additional exercises with complete worked-out solutions at the end of the book
Updated references at the end of each chapter
The book adopts an unusual but effectively focused question-answer framework. Each major head is introduced by a question followed by an attempt to answer. This approach maintains attention to the subject matter at hand and clarifies the objective of each section without needless digression. Each chapter also features updated and new exercise problems, accompanied by a solutions manual at the back of the book. This edition gives you an excellent introduction to the key and current theories, practices, and applications of magnetics and magnetic materials.



Table of Contents

ELECTROMAGNETISM: MAGNETIC PHENOMENA ON THE MACROSCOPIC SCALE

Magnetic Fields
Magnetic Field
Magnetic Induction
Magnetic Field Calculations
References
Further Reading
Exercises

Magnetization and Magnetic Moment
Magnetic Moment
Magnetic Poles and Ampèrian Bound Currents
Magnetization
Magnetic Circuits and the Demagnetizing Field
Penetration of Alternating Magnetic Fields into Materials
References
Further Reading
Exercises

Magnetic Measurements
Induction Methods
Force Methods
Methods Depending on Changes in Material Properties
Superconducting Quantum Interference Devices
References
Further Reading
Exercises

Magnetic Materials
Classification of Magnetic Materials
Magnetic Properties of Ferromagnets
Different Types of Ferromagnetic Materials for Applications
Paramagnetism and Diamagnetism
References
Further Reading
Exercises

MAGNETISM IN MATERIALS: MAGNETIC PHENOMENA ON THE MICROSCOPIC SCALE

Magnetic Properties
Hysteresis and Related Properties
Barkhausen Effect and Related Phenomena
Magnetostriction
Magnetoresistance
References
Further Reading
Exercises

Magnetic Domains
Development of Domain Theory
Energy Considerations and Domain Patterns
References
Further Reading
Exercises

Domain Walls
Properties of Domain Boundaries
Domain-Wall Motion
References
Further Reading
Exercises

Domain Processes
Reversible and Irreversible Domain Processes
Determination of Magnetization Curves from Pinning Models
Theory of Ferromagnetic Hysteresis
Dynamics of Domain Magnetization Processes
References
Further Reading
Exercises

Magnetic Order and Critical Phenomena
Theories of Paramagnetism and Diamagnetism
Theories of Ordered Magnetism
Magnetic Structure
References
Further Reading
Exercises

Electronic Magnetic Moments
Classical Model of Magnetic Moments of Electrons
Quantum Mechanical Model of Magnetic Moments of Electrons
Magnetic Properties of Free Atoms
References
Further Reading
Exercises

Quantum Theory of Magnetism
Electron-Electron Interactions
Localized Electron Theory
Itinerant Electron Theory
References
Further Reading
Exercises

MAGNETICS: TECHNOLOGICAL APPLICATIONS

Soft Magnetic Materials
Properties and Applications of Soft Magnets
Materials for AC Applications
Materials for DC Applications
Materials for Magnetic Shielding
References
Further Reading
Materials
Conferences

Hard Magnetic Materials
Properties and Applications of Hard Magnets
Permanent Magnet Materials
References
Further Reading
Materials
Conferences

Magnetic Recording
History of Magnetic Recording
Magnetic Recording Media
Recording Heads and the Recording Process
Modeling the Magnetic Recording Process
References
Further Reading

Magnetic Evaluation of Materials
Methods for Evaluation of Materials Properties
Methods for Detection of Flaws and Other Inhomogeneities
Magnetic Imaging Methods
Sensitivity to Microstructure and Material Treatment
References
Further Reading

Solutions to Exercises.