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Magnetism V1 - 1st Edition - ISBN: 9780125753012, 9780323143189

Magnetism V1

1st Edition

Editor: George Rado
eBook ISBN: 9780323143189
Imprint: Academic Press
Published Date: 1st January 1963
Page Count: 704
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Magnetism, Volume I: Magnetic Ions in Insulators: Their Interactions, Resonances, and Optical Properties summarizes the understanding of magnetically ordered materials. This book contains 12 chapters that specifically tackle the concepts of ferromagnetism, ferrimagnetism, and antiferromagnetism. After briefly dealing with the spin Hamiltonians of typical ions and the interactions between the ions, this book goes on discussing the diverse aspects of ferromagnetism, ferrimagnetism, and antiferromagnetism in insulators as well as in metals. These topics are followed by presentation of abstract quantum mechanical and statistical models and the theory of spin interactions in solids. The other chapters describe the actual magnetic structures and the phenomenology of ferromagnets. This text further considers the fundamentals of neutron diffraction and optical phenomena in magnetically ordered materials. The concluding chapters look into the cooperative phenomena characterized by ordered arrangements of magnetic moments subject to strong mutual interactions. Physicists and magnetism researchers will find this book of great value.

Table of Contents

Contributors to Volume I


Contents of Volume II

Contents of Volume III

1. Spin Hamiltonians

I. Introduction

II. The Magnet Lattice

III. The Spin Hamiltonians

IV. Crystal Field Theory

V. Nuclear Hyperfine Structure

VI. Pairs of Ions

VII. The Rare Earths

VIII. Final Remarks


2. Exchange in Insulators: Superexchange, Direct Exchange, and Double Exchange

I. Introduction

II. Origin of Superexchange

III. Direct Exchange and Other Exchange Effects

IV. The Isolated Magnetic Ion: Ligand Fields and Information from Nuclear Resonance

V. Semiempirical Approaches and Theoretical Calculations

VI. Double Exchange



3. Weak Ferromagnetism

I. Introduction

II. Anisotropic Spin Couplings as Origins of Weak Ferromagnetism

III. Magnetic Susceptibility above the Transition Point

IV. Classical Theory of the Spin Arrangement

V. Behavior near the Transition Point

VI. Spin Waves

VII. Magnetic Resonance

VIII. Domains and Domain Walls

IX. Piezomagnetism and Magnetoelectric Effect

X. Concluding Remarks

Note Added in Proof


4. Anisotropy and Magnetostriction of Ferromagnetic and Antiferromagnetic Materials

I. Introduction

II. Phenomenological Aspects of Magnetic Anisotropy and Experimental Methods

III. Microscopic Origins of Anisotropy Energy

IV. Discussions of Representative Substances

V. Magnetostriction


5. Magnetic Annealing

I. Introduction

II. General Theory

III. Monatomic Directional Ordering

IV. Diatomic Directional Ordering

V. Magnetoelastic Effects


6. Optical Spectra in Magnetically Ordered Materials

I. Introduction

II. Optical Spectrum of an Atom Pair

III. Splitting of Paramagnetic Lines

IV. Appearance of Satellite Lines

V. Future Problems


7. Optical and Infrared Properties of Magnetic Materials

I. Introduction

II. General Considerations

III. Exchange Effects: Single-Ion Levels

IV. Dispersive Effects

V. Exchange Resonance

VI. Summary


8. Spin Waves and Other Magnetic Modes


I. Linear Microscopic Theory

II. Phenomenological Theory

III. Extensions of the Linear Theory


9. Antiferromagnetic and Ferrimagnetic Resonance

I. Introduction

II. Static Susceptibility of Uniaxial Antiferromagnet

III. Antiferromagnetic Resonance Theory

IV. Antiferromagnetic Resonance Experiments

V. Ferrimagnetic Resonance Theory

VI. Ferrimagnetic Resonance Experiments

VII. Special Topics

VIII. High Magnetic Fields


10. Ferromagnetic Relaxation, and Resonance Line Widths

I. Ferromagnetic Relaxation

II. The Nondissipative Response: Resonance Frequency

III. Other Experimental Methods

IV. Dynamical Equations

V. General Classification of Relaxation Processes

VI. The Two-Magnon Decay of the Homogeneous Mode

VII. The Three-Magnon Decay of the Homogeneous Mode

VIII. The Four-Magnon Decay of the Homogeneous Mode

IX. Two-Magnon Interaction (k, k' ≠ 0)

X. Three-Magnon Equilibration Processes

XI. Four-Magnon Equilibration Processes

XII. Magnon-Phonon Scattering

XIII. Magnon-Conduction Electron Relaxation Mechanisms


11. Ferromagnetic Resonance at High Power

I. Introduction

II. Classical Nonlinear Behavior

III. Spin Wave Excitation

IV. Instability of Half-Frequency Spin Waves (Subsidiary Absorption)

V. Instability of Degenerate Spin Waves (Main Resonance Saturation)

VI. Related High Power Phenomena

VII. Measurement and Control of Relaxation Effects

VIII. Conclusions


12. Microwave Devices

I. Introduction

II. Basic Device Design

III. The New Ferrimagnetic Materials and Device Applications

IV. Nonlinear Devices



Author Index

Subject Index


No. of pages:
© Academic Press 1963
1st January 1963
Academic Press
eBook ISBN:

About the Editor

George Rado

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