索书号 O4/Z698/v.42

List of tables of numerical data ix
Preface xi
Acknowledgements xiii
1 Introduction 1
1.1 A brief history of magnetism 1
1.2 Magnetism and hysteresis 7
1.3 Magnet applications 13
1.4 Magnetism, the felicitous science 19
2 Magnetostatics 24
2.1 The magnetic dipole moment 24
2.2 Magnetic fields 28
2.3 Maxwell's equations 41
2.4 Magnetic field calculations 43
2.5 Magnetostatic energy and forces 50
3 Magnetism of electrons 62
3.1 Orbital and spin moments 63
3.2 Magnetic field effects 74
3.3 Theory of electronic magnetism 87
3.4 Magnetism of electrons in solids 92
4 Magnetism of localized electrons on the atom 97
4.1 The hydrogenic atom and angular momentum 97
4.2 The many-electron atom 100
4.3 Paramagnetism 106
4.4 Ions in solids; crystal-field interactions 114
5 Ferromagnetism and exchange 128
5.1 Mean field theory 129
5.2 Exchange interactions 135
5.3 Band magnetism 144
5.4 Collective excitations 161
5.5 Anisotropy 168
5.6 Ferromagnetic phenomena 174
6 Antiferromagnetism and other magnetic order 195
6.1 Molecular field theory of antiferromagnetism 196
6.2 Ferrimagnets 200
6.3 Frustration 203
6.4 Amorphous magnets 209
6.5 Spin glasses 218
6.6 Magnetic models 221
7 Micromagnetism, domains and hysteresis 231
7.1 Micromagnetic energy 234
7.2 Domain theory 239
7.3 Reversal, pinning and nucleation 244
8 Nanoscale magnetism 264
8.1 Characteristic length scales 265
8.2 Thin films 267
8.3 Thin-film heterostructures 274
8.4 Wires and needles 293
8.5 Small particles 295
8.6 Bulk nanostructures 299
9 Magnetic resonance 305
9.1 Electron paramagnetic resonance 307
9.2 Ferromagnetic resonance 313
9.3 Nuclear magnetic resonance 318
9.4 Other methods 329
10 Experimental methods 333
10.1 Materials growth 333
10.2 Magnetic fields 340
10.3 Atomic-scale magnetism 343
10.4 Domain-scale measurements 353
10.5 Bulk magnetization measurements 360
10.6 Excitations 368
10.7 Numerical methods 370
11 Magnetic materials 374
11.1 Introduction 374
11.2 Iron group metals and alloys 384
11.3 Rare-earth metals and intermetallic compounds 398
11.4 Interstitial compounds 407
11.5 Oxides with ferromagnetic interactions 410
11.6 Oxides with antiferromagnetic interactions 417
11.7 Miscellaneous materials 432
12 Applications of soft magnets 439
12.1 Losses 441
12.2 Soft magnetic materials 448
12.3 Static applications 453
12.4 Low-frequency applications 454
12.5 High-frequency applications 457
13 Applications of hard magnets 464
13.1 Magnetic circuits 466
13.2 Permanent magnet materials 469
13.3 Static applications 473
13.4 Dynamic applications with mechanical recoil 481
13.5 Dynamic applications with active recoil 485
13.6 Magnetic microsystems 491
14 Spin electronics and magnetic recording 494
14.1 Spin-polarized currents 497
14.2 Materials for spin electronics 515
14.3 Magnetic sensors 516
14.4 Magnetic memory 522
14.5 Other topics 525
14.6 Magnetic recording 530
15 Special topics 542
15.1 Magnetic liquids 543
15.2 Magnetoelectrochemistry 547
15.3 Magnetic levitation 549
15.4 Magnetism in biology and medicine 555
15.5 Planetary and cosmic magnetism 565
Appendices 580
Appendix A Notation 580
Appendix B Units and dimensions 590
Appendix C Vector and trigonometric relations 595
Appendix D Demagnetizing factors for ellipsoids of revolution 596
Appendix E Field, magnetization and susceptibility 597
Appendix F Quantum mechanical operators 598
Appendix G Reduced magnetization of ferromagnets 598
Appendix H Crystal field and anisotropy 599
Appendix I Magnetic point groups 600
Formula index 601
Index 604