Magnetism V1

Magnetism V1

1st Edition - January 1, 1963

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  • Editor: George Rado
  • eBook ISBN: 9780323143189

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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

Product details

  • No. of pages: 704
  • Language: English
  • Copyright: © Academic Press 1963
  • Published: January 1, 1963
  • Imprint: Academic Press
  • eBook ISBN: 9780323143189

About the Editor

George Rado

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