Magnetic Materials: Fundamentals and Device Applications / Edition 1

Magnetic Materials: Fundamentals and Device Applications / Edition 1

by Nicola A. Spaldin
     
 

Based on a lecture course given by the author in the Materials Department at UC Santa Barbara, the book is targeted at advanced undergraduate and graduate students as well as researchers new to the field. See more details below

Overview

Based on a lecture course given by the author in the Materials Department at UC Santa Barbara, the book is targeted at advanced undergraduate and graduate students as well as researchers new to the field.

Product Details

ISBN-13:
9780521016582
Publisher:
Cambridge University Press
Publication date:
04/21/2003
Edition description:
Older Edition
Pages:
224
Product dimensions:
6.85(w) x 9.72(h) x 0.47(d)

Related Subjects

Table of Contents

Acknowledgements
1Review of basic magnetostatics1
1.1Magnetic field2
1.2Magnetic moment7
1.3Definitions9
2Magnetization and magnetic materials11
2.1Magnetic induction and magnetization11
2.2Flux density12
2.3Susceptibility and permeability12
2.4Hysteresis loops15
2.5Definitions16
2.6Units and conversions16
3Atomic origins of magnetism18
3.1Solution of the Schrodinger equation for a free atom18
3.2Extension to many-electron atoms23
3.3The normal Zeeman effect24
3.4Electron spin25
3.5Spin-orbit coupling27
4Diamagnetism34
4.1Observing the diamagnetic effect34
4.2Diamagnetic susceptibility35
4.3Diamagnetic substances37
4.4Uses of diamagnetic materials38
4.5Superconductivity38
5Paramagnetism42
5.1Langevin theory of paramagnetism43
5.2The Curie-Weiss law46
5.3Quenching of orbital angular momentum48
5.4Pauli paramagnetism49
5.5Paramagnetic oxygen56
5.6Uses of paramagnets57
6Interactions in ferromagnetic materials59
6.1Weiss molecular field theory60
6.2Origin of the Weiss molecular field63
6.3Collective-electron theory of ferromagnetism66
6.4Summary69
7Ferromagnetic domains73
7.1Observing domains73
7.2Why domains occur75
7.3Domain walls79
7.4Magnetization and hysteresis81
8Antiferromagnetism89
8.1Neutron diffraction90
8.2Weiss theory of antiferromagnetism94
8.3What causes the negative molecular field?100
8.4Uses of antiferromagnets102
9Ferrimagnetism107
9.1Weiss theory of ferrimagnetism108
9.2Ferrites113
9.3The garnets119
9.4Half-metallic antiferromagnets119
10Anisotropy123
10.1Magnetocrystalline anisotropy123
10.2Shape anisotropy126
10.3Induced magnetic anisotropy129
11Magnetic data storage132
11.1Introduction132
11.2Magnetic media135
11.3Write heads144
11.4Read heads145
11.5Future of magnetic data storage156
12Magneto-optics and magneto-optic recording159
12.1Magneto-optics basics159
12.2Magneto-optic recording162
13Magnetic semiconductors167
13.1II-VI diluted magnetic semiconductors - (Zn,Mn)Se168
13.2III-V diluted magnetic semiconductors - (Ga,Mn)As171
13.3Rare earth-group V compounds - ErAs173
13.4Summary175
Epilogue177
Solutions to exercises178
References206
Index210

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