Magnetic Domain Walls in Bubble Materials: Advances in Materials and Device Research

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Academic Press, Sep 1, 2016 - Science - 334 pages
Magnetic Domain Walls in Bubble Materials covers the physics of domain walls in bubble domain materials. The book describes the microscopic origins and characteristics of the material parameters; the principles of domain statics and the Landau-Lifshitz equation, which is the basic equation of magnetization dynamics; and its physical significance. The text then discusses the experimental techniques, both static and dynamic, used in studying domain walls; the static internal structure of bubble-domain walls; the Bloch-wall dynamics based on one-dimensional solutions of the Landau-Lifshitz equation; and the wall-motion theory.
The theory to low velocity phenomena in domain walls containing vertical Bloch; high-velocity radial and quasi-planar wall motions; and nonlinear bubble translation including the implications of the theory for bubble motion in devices, are also considered. The book further surveys special phenomena involving vibrations and wave motions of walls, and the effects of microwave-frequency fields on walls. Engineers and materials researchers involved in the development of practical bubble devices will find the book invaluable.
 

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Contents

Chapter 1 Introduction
1
Chapter 2 Resume of Classical Magnetism and Bubble Domain Statics
7
Chapter 3 Experimental Techniques
41
Chapter 4 DomainWall Statics
77
Chapter 5 Wall Dynamics in One Dimension
123
Chapter 6 Wall Dynamics in Three Dimensions
145
Chapter 7 LowVelocity Dynamics with Vertical Bloch Lines
165
Chapter 8 Nonlinear Wall Motion in Two Dimensions
189
Chapter 9 Nonlinear Bubble Translation
217
Chapter 10 Wall Waves and Microwave Effects
269
REFERENCES
293
LIST OF COMMONLY USED SYMBOLS
307
AUTHOR INDEX
309
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