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

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

by Giorgio Bertotti
     
 

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ISBN-10: 0120932709

ISBN-13: 9780120932702

Pub. Date: 05/01/1998

Publisher: Elsevier Science

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.

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.

Key Features
• The reader will get insight into the importance and role of hysteresis in magnetism; In particular, he will learn:
• which are the fingerprints of hysteresis in magnetism
• which are the situations in which hysteresis may appear
• how to describe mathematically these situations
• how to apply these descriptions to magnetic materials
• how to interpret and predict magnetic hysteresis phenomena observed experimentally

Product Details

ISBN-13:
9780120932702
Publisher:
Elsevier Science
Publication date:
05/01/1998
Series:
Electromagnetism Series
Pages:
580
Product dimensions:
1.44(w) x 6.00(h) x 9.00(d)

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.

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