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Magnetism and Metallurgy of Soft Magnetic Materials

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Magnetism and Metallurgy of Soft Magnetic Materials Cover

 

Synopses & Reviews

Publisher Comments:

Soft magnetic materials are economically and technologically the most important of all magnetic materials. In particular, the development of new materials and novel applications for the computer and telecommunications industries during the past few decades has immensely broadened the scope and altered the nature of soft magnetic materials. In addition to metallic substances, nonmetallic compounds and amorphous thin films are coming increasingly important. This thorough, well-organized volume — on of the most comprehensive treatments available — offers a coherent, logical presentation of the physical principles underlying both the intrinsic and applied properties of soft magnetism. Two basic components are stressed: (1) traditional magnetism, which imparts magnetization and spin-dependent properties, and (2) metallurgy, which governs the preparation of the products and the attainment of their structure-sensitive properties. The book comprises seven major chapters: Introduction; Ferromagnetism and Ferrimagnetism; Magnetization and Domain Structure; Magnetic Properties; Metallurgy of Soft Magnetic Materials; Applications of Soft Magnetic Materials; and Special Topics (radiation effects and magnetic bubbles and devices).

In addition to an extensive introduction to the basic principles of magnetism relevant to all magnetic materials (Chapters I-IV), Professor Chen (Lawrence Livermore National Laboratory) devotes the core of the book to a rigorous, detailed discussion of the effects of metallurgical factors such as purity, alloying, grain structure, defects, and atomic order on the properties and performance of magnetic metals, alloys, and compounds. An extensive and important chapter on the special topics of magnetic bubbles and radiation effects rounds out this timely and wide-ranging survey of a crucial topic in solid state physics.

Written for materials scientists, experimental physicists, and metallurgists, the book also lends itself to use as a textbook for graduate courses in magnetic materials.

Synopsis:

Detailed theoretical study and a practical survey for solid-state physicists, engineers, graduate students. Ferromagnetism and ferrimagnetism, magnetization and domain structure, much more. 227 figures.

Synopsis:

Directed to solid-state physicists, engineers, and graduate-level students: a comprehensive treatment of the theory and application of soft magnets — vital in computer and telecommunications technology. Topics include ferromagnetism and ferrimagnetism, magnetization and domain structure, metallurgy and applications of soft magnetic materials. 227 figures.

Table of Contents

PREFACE

ACKNOWLEDGEMENTS

LIST OF MOST IMPORTANT SYMBOLS

CONTENTS

CHAPTER 1. INTRODUCTION

1. Historical

2. Units

3. Fundamental quantities of magnetism

  3.1. Magnetic poles

  3.2. Magnetic dipole and magnetic moment µ

  3.3. Magnetic field H

  3.4. Magnetization M and magnetic induction B

  3.5. Susceptibility x and permeability µ

4. Various kinds of magnetism

CHAPTER 2. FERROMAGNETISM AND FERRIMAGNETISM

1. Magnetic moments of electrons and atoms

2. The Weiss molecular field and theories of ferromagnetism

3. Ferrimagnetism

CHAPTER 3. MAGNETIZATION AND DOMAIN STRUCTURE

1. The magnetization curve

2. Ferromagnetic domains and magnetization processes

3. Magnetocrystalline anisotropy

4. Magnetostriction

5. The Bloch wall and domain structure

CHAPTER 4. MAGNETIC PROPERTIES

1. Intrinsic properties

  1.1. Saturation magnetization

  1.2. The Curie temperature

2. Structure-sensitive properties

  2.1 Static properties

    2.1.1. Induction and approach to saturation

    2.1.2. Permeabilities

    2.1.3. Hysteresis loop and energy loss

    2.1.4. Coercive force and coercivity

    2.1.5. Remanence and retentivity

  2.2 Dynamic properties

    2.2.1. Eddy currents and anomalous energy losses

    2.2.2. Motion and resonance of domain walls

    2.2.3. Resonance of spins

CHAPTER 5. METALLURGY OF SOFT MAGNETIC MATERIALS

1. Technical materials

  1.1. Pure metals

  1.2. Alloys

  1.3. Ferrites and other magnetic compounds

    1.3.1 Ferrites

    1.3.2. Europium chalcogenides

2. The effect of metallurgical factors on properties of soft magnetic materials

  2.1. Purity

  2.2. Alloying

  2.3. Crystal defects

  2.4. Recovery and recrystallization; texture

  2.5. Atomic order

  2.6 "Magnetic anneal, plastic deformation and allotropic transformation related to induced magnetic anisotropy"

    2.6.1. Magnetic anneal

    2.6.2. Plastic deformation

    2.6.3. Phase transition

CHAPTER 6. APPLICATIONS OF SOFT MAGNETIC MATERIALS

1. Metallic soft magnetic materials

  1.1. Pure iron and steels

  1.2. Iron-silicon alloys

  1.3. Nickel-iron alloys

  1.4. Iron-cobalt alloys

  1.5. Miscellaneous soft magnetic alloys

2. Ferrites and compounds

  2.1. Ferrites used at frequencies up to 300 MHz

  2.2. Ferrites used at microwave frequencies

  2.3. Square-loop ferrites (SLF's)

3. Thin films

CHAPTER 7. SPECIAL TOPICS

1. Radiation effects

  1.1. The nature of radiation damage

    1.1.1. Atomic displacement

    1.1.2. Electronic excitation and ionization

    1.1.3. Transmutation

    1.1.4. Local heating in both crystalline and amorphous substances

    1.1.5. Annealing of radiation-induced defects

  1.2. Radiation damage to soft magnetic materials

    1.2.1. Radiation effects on the intrinsic magnetic properties

    1.2.2. Deterioration of the structure-sensitive magnetic properties

2. Magnetic bubbles and devices

  2.1. Properties of bubble domains

    2.1.1. Strip domains in an applied field

    2.1.2. Magnetic energy of bubble domains

    2.1.3. The stability of magnetic bubbles

    2.1.4. Bubble dynamics

  2.2. Bubble materials

    2.2.1. Material requirements for bubble devices

    2.2.2. Crystalline bubble materials

    2.2.3. Amorphous bubble materials

  2.3. Application of magnetic bubbles

    2.3.1. Operational principles of bubble devices

    2.3.2. Bubble devices

    2.3.3. The future

APPENDIX 1

  Conversion table of magnetic and select physical quantities

APPENDIX 2

  Values of select physical constants

APPENDIX 3

  Demagnetizing factor and magnetostatic energy

REFERENCES

AUTHOR INDEX

SUBJECT INDEX

MATERIALS INDEX

Product Details

ISBN:
9780486649979
Author:
Chen, Chih Wen
Publisher:
Dover Publications
Author:
Chen, Chih-Wen
Author:
Physics
Subject:
Physics
Subject:
Material Science
Subject:
Magnetism
Subject:
Physical metallurgy
Subject:
Magnetic materials
Subject:
Ferromagnetism
Subject:
Magnetization and Domain Structure
Subject:
Physics-General
Edition Description:
Trade Paper
Series:
Dover Books on Physics
Publication Date:
20111231
Binding:
TRADE PAPER
Language:
English
Pages:
592
Dimensions:
8.5 x 5.38 in 1.39 lb

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Product details 592 pages Dover Publications - English 9780486649979 Reviews:
"Synopsis" by ,
Detailed theoretical study and a practical survey for solid-state physicists, engineers, graduate students. Ferromagnetism and ferrimagnetism, magnetization and domain structure, much more. 227 figures.
"Synopsis" by ,
Directed to solid-state physicists, engineers, and graduate-level students: a comprehensive treatment of the theory and application of soft magnets — vital in computer and telecommunications technology. Topics include ferromagnetism and ferrimagnetism, magnetization and domain structure, metallurgy and applications of soft magnetic materials. 227 figures.
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