Spin Arrangements and Crystal Structure, Domains, and Micromagnetics

Contributors to Volume III

Preface

Contents of Volume I

Contents of Volume II


1. Magnetism and Crystal Structure in Nonmetals

I. Some Important Nonmetallic Structures

II. Description of Outer Electrons

III. Applications to Magnetism

References


2. Evaluation of Exchange Interactions from Experimental Data

I. Introduction

II. Isolated Clusters

III. Antiferromagnetic Compounds

IV. Ferrimagnetic Compounds

V. Miscellaneous Comments and Conclusions

VI. Recent Developments

Appendix A. Molecular Field Relations

References


3· Theory of Neutron Scattering by Magnetic Crystals

I. Introduction

II. Basic Formulas for "Spin-Only" Magnetic Moments

III. Diffuse Scattering in the Quasistatic Approximation

IV. Inelastic Collisions

V. Effects of Orbital Magnetism

References


4. Spin Configuration of Ionic Structures: Theory and Practice

Introduction

I. Theoretical; the Macroscopic Theory

II. Theoretical; the Microscopic Method (Matrix Method)

III. Practice

Appendix A. Decomposition of WRR'

Appendix B. Some Remarks on Dipolar Energy

Appendix C. Some Remarks on the Lyons-Kaplan and Other Methods

References


5. Spin Arrangements in Metals

I. Introduction

II. Neutron Diffraction Techniques

III. Spin Structures

IV. Magnetic Form Factors and Spin Densities

V. Conclusion

References


6. Fine Particles, Thin Films and Exchange Anisotropy (Effects of Finite Dimensions and Interfaces on the Basic Properties of Ferromagnets)

I. Introduction

II. Fine Particles; Superparamagnetism

III. Thin Films

IV. Surface Anisotropy

V. Exchange Anisotropy

References


7. Permanent Magnet Materials

I. Introduction

II. Theory of Permanent Magnets as Fine Particle Materials

III. Permanent Magnet Powder Materials

IV. Permanent Magnet Alloys

References


8. Micromagnetics

I. Introduction

II. Brown's Equations

III. Solutions of Brown's Equations

IV. Discussion

References


9. Domains and Domain Walls

I. Introduction

II. Observation of Domain Structure

III. Domain Structures

IV. Domain Walls

V. Antiferromagnetic Domains

VI. Films and Teaching Aids

References


10. The Structure and Switching of Permalloy Films

I. Introduction

II. Preparation and Structure

III. Quasistatic Switching

IV. Pulse Switching

Appendix A. Dispersion Measurements

Appendix B. Notation for Applied Fields

References


11. Magnetization Reversal in Nonmetallic Ferromagnets

I. Introduction

II. Experimental Procedures and Results

III. Equation of Motion of the Magnetization

IV. Modes of Magnetization Reversal

V. Conclusion

References


12· Preparation and Crystal Synthesis of Magnetic Oxides

I. Polycrystalline Materials

II. Preparation of Single Crystals

References

Author Index

Subject Index