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Abstract
An IEEE Press Classic Reissue The Physical Principles of Magnetism "The Physical Principles of Magnetism...is such a classic-a comprehensive introduction to all aspects of magnetism...The corrected reissue is a welcome addition to this much-needed archival series. Dr. Morrish presents an excellent introduction to the physics and mathematics of magnetism without oversimplification... This respected and timeless classic book clearly elucidates these principles." Edward Della Torre The George Washington University President of the IEEE Magnetics Society The IEEE Press is pleased to reissue this essential book for understanding the basis of modern magnetic materials. Diamagnetism, paramagnetism, ferromagnetism, ferromagnetism, and antiferromagnetism are covered in an integrated manner-unifying subject matter from physics, chemistry, metallurgy, and engineering. Magnetic phenomena are discussed both from an experimental and theoretical point of view. The underlying physical principles are presented first, followed by macroscopic or microscopic theories. Although quantum mechanical theories are given, a phenomenological approach is emphasized. More than half the book is devoted to a discussion of strongly coupled dipole systems, where the molecular field theory is emphasized. The Physical Principles of Magnetism is a classic "must read" for anyone working in the magnetics, electromagnetics, computing, and communications fields.

Table of Contents
The Magnetic Field.

Diamagnetic and Paramagnetic Susceptibilities.

Diamagnetism.

Paramagnetism.

Thermal, Relaxation, and Resonance Phenomena in Paramagnetic Materials.

Thernal Phenomena.

Paramagnetic Relaxation.

Paramagnetic Resonance.

Nuclear Magnetic Resonance.

The Magnetic Properties of an Electron Gas.

Ferromagnetism.

The Magnetization of Ferromagnetic Materials.

Antiferromagnetism.

Ferrimagnetism.

Resonance in Strongly Coupled Dipole Systems.

Appendix I: Systems of Units.

Appendix II: Demagnetization Factors for Ellipsoids of Revolution.

Appendix III: Periodic Table of the Elements.

Appendix IV: Numerical Values for Some Important Physical Constants.

Author Index.

Subject Index.