Hysteresis in Magnetism: For Physicists, Materials Scientists, and Engineers / Edition 1

by Giorgio Bertotti

Overview

This book provides a comprehensive treatment of the physics of hysteresis in magnetism and of the mathematical tools used to describe it. Hysteresis in Magnetism discusses from a unified viewpoint the relationsof hysteresis to Maxwells equations, equilibrium and non-equilibrium thermodynamics, non-linear system dynamics, micromagnetics, and domain theory. These aspects are then applied to the interpretation of magnetization reversal mechanisms: coherent rotation and switching in magnetic particles, stochastic domain wall motion and the Barkhausen effect, coercivity mechanisms and magnetic viscosity, rate-dependent hysteresis and eddy-current losses. The book emphasizes the connection between basic physical ideas and phenomenological models of interest to applications, and, in particular, to the conceptual path going from Maxwells equations and thermodynamics to micromagnetics and to Preisach hysteresis modeling.

Product Details

ISBN-13:	9780120932702
Publisher:	Elsevier Science
Publication date:	05/06/1998
Series:	Electromagnetism
Pages:	576
Product dimensions:	6.00(w) x 9.00(h) x (d)

About the Author

Giorgio Bertotti is a senior scientist at INRIM, Istituto Nazionale di Ricerca Metrologica (previously known as IEN Galileo Ferraris), in Torino, Italy, where he has been a researcher since 1979. His research interests are in the field of magnetism and magnetic materials, hysteresis modeling, thermodynamics, noise phenomena. He is author of more than 200 scientific articles and of the book "Hysteresis in Magnetism".

Table of Contents

Introduction: Magnetic Hysteresis. Types of Hysteresis. Maxwells Equations and Thermodynamics: Maxwells Equations in Magnetic Media. Magnetic Work and Thermodynamics. Magnetic Free Energy: Exchange and Anisotropy. Micromagnetics. Magnetic Domains and Domain Walls. The Magnetization Process: Coherent Rotation. Domain Wall Motion. Magnetization Curves. Coercivity Mechanisms. Eddy Currents. Preisach Systems: Collections of Bistable Units. Hysteresis in Preisach Systems. Appendixes: Systems of Units. Vector Relations. Reciprocity Theorems. Micromagnetic Parameters. Stochastic Processes. Bibliography. Index.

Editorial Reviews

Leader in the field Bertotti (Instituto Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy) weds theoretical insights and technological advances in a classical area of physics and engineering that continues to mesmerize diverse scientists. The description of hysteresis, the central feature of ferromagnetic materials below the Curie temperature, also attracts mathematicians. The author illuminates diverse aspects of the phenomenon and their complex relations under the main topic headings of: Maxwell's equations and thermodynamics, magnetic free energy, the magnetization process, and Preisach systems. Includes appended material on systems of units, vector relations, reciprocity theorems, micromagnetic parameters, and stochastic processes. Annotation c. by Book News, Inc., Portland, Or.

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