نام كتاب : Physics of Ferromagnetism

نويسنده : (SOSHIN CHIKAZUMI (Professor Emeritus University of Tokyo

انتشارات : دانشگاه آكسفورد- 1997

تعداد صفحات : 655 صفحه

حجم فايل : 25.3 مگابايت

فصول كتاب:

Part I Classical Magnetism
1 MAGNETOSTATIC PHENOMENA 3
1.1 Magnetic moment 3
1.2 Magnetic materials and magnetization 7
1.3 Magnetization of ferromagnetic materials and demagnetizing fields 11
1.4 Magnetic circuit 17
1.5 Magnetostatic energy 22
1.6 Magnetic hysteresis 27
Problems 31
References 32

2 MAGNETIC MEASUREMENTS 33
2.1 Production of magnetic fields 33
2.2 Measurement of magnetic fields 39
2.3 Measurement of magnetization 42
Problems 49
References 49

Part II Magnetism of Atoms
3 ATOMIC MAGNETIC MOMENTS 53
3.1 Structure of atoms 53
3.2 Vector model 59
3.3 Gyromagnetic effect and ferromagnetic resonance 68
3.4 Crystalline field and quenching of orbital angular momentum 74
Problems 81
References 83

4 MICROSCOPIC EXPERIMENTAL TECHNIQUES 84
4.1 Nuclear magnetic moments and related experimental techniques 84
4.2 Neutron diffraction 93
4.3 Muon spin rotation (/tSR) 100
Problems 104
References 104

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Part III Magnetic Ordering
5 MAGNETIC DISORDER 107
5.1 Diamagnetism 107
5.2 Paramagnetism 110
Problems 116
References 117

6 FERROMAGNETISM 118
6.1 Weiss theory of ferromagnetism 118
6.2 Various statistical theories 124
6.3 Exchange interaction 129
Problems 133
References 133

7 ANTIFERROMAGNETISM AND FERRIMAGNETISM 134
7.1 Antiferromagnetism 134
7.2 Ferrimagnetism 142
7.3 Helimagnetism 148
7.4 Parasitic ferromagnetism 151
7.5 Mictomagnetism and spin glasses 153
Problems 158
References 159

Part IV Magnetic Behavior and Structure of Materials
8 MAGNETISM OF METALS AND ALLOYS 163
8.1 Band structure of metals and their magnetic behavior 163
8.2 Magnetism of 3d transition metals and alloys 173
8.3 Magnetism of rare earth metals 181
8.4 Magnetism of intermetallic compounds 188
Problems 193
References 193

9 MAGNETISM OF FERRIMAGNETIC OXIDES 197
9.1 Crystal and magnetic structure of oxides 197
9.2 Magnetism of spinel-type oxides 199
9.3 Magnetism of rare earth iron garnets 207
9.4 Magnetism of hexagonal magnetoplumbite-type oxides 210
9.5 Magnetism of other magnetic oxides 215
Problems 220
References 220

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10 MAGNETISM OF COMPOUNDS 222
10.1 3d Transition versus Illb Group magnetic compounds 223
10.2 3d-lVb Group magnetic compounds 226
10.3 3d-Vb Group magnetic compounds 228
10.4 3d-Vlb Group magnetic compounds 232
10.5 3d-Vllb (halogen) Group magnetic compounds 234
10.6 Rare earth compounds 235
Problems 236
References 236

11 MAGNETISM OF AMORPHOUS MATERIALS 239
11.1 Magnetism of 3d transition metal-base amorphous materials 240
11.2 Magnetism of 3d transition plus rare earth amorphous alloys 243
Problem 244
References 245

Part V Magnetic Anisotropy and Magnetostriction
12 MAGNETOCRYSTALLINE ANISOTROPY 249
12.1 Phenomenology of magnetocrystalline anisotropy 249
12.2 Methods for measuring magnetic anisotropy 256
12.3 Mechanism of magnetic anisotropy 266
12.4 Experimental data 274
Problems 296
References 296

13 INDUCED MAGNETIC ANISOTROPY 299
13.1 Magnetic annealing effect 299
13.2 Roll magnetic anisotropy 309
13.3 Induced magnetic anisotropy associated with crystallographic
transformations 318
13.4 Other induced magnetic anisotropies 329
Problems 339
References 339

14 MAGNETOSTRICTION 343
14.1 Phenomenology of magnetostriction 343
14.2 Mechanism of magnetostriction 349
14.3 Measuring technique 357
14.4 Experimental data 359
14.5 Volume magnetostriction and anomalous thermal expansion 363
14.6 Magnetic anisotropy caused by magnetostriction 376

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14.7 Elastic anomaly and magnetostriction 379
Problems 381
References 381

Part VI Domain Structures
15 OBSERVATION OF DOMAIN STRUCTURES 387
15.1 History of domain observations and powder-pattern method 387
15.2 Magneto-optical method 393
15.3 Lorentz electron microscopy 394
15.4 Scanning electron microscopy 396
15.5 X-ray topography 401
15.6 Electron holography 402
References 405

16 SPIN DISTRIBUTION AND DOMAIN WALLS 407
16.1 Micromagnetics 407
16.2 Domain walls 411
16.3 180° walls 417
16.4 90° walls 422
16.5 Special-type domain walls 428
Problems 432
References 432

17 MAGNETIC DOMAIN STRUCTURES 433
17.1 Magnetostatic energy of domain structures 433
17.2 Size of magnetic domains 439
17.3 Bubble domains 445
17.4 Stripe domains 450
17.5 Domain structure of fine particles 453
17.6 Domain structures in non-ideal ferromagnets 457
Problems 463
References 464

Part VII Magnetization Processes
18 TECHNICAL MAGNETIZATION 467
18.1 Magnetization curve and domain distribution 467
18.2 Domain wall displacement 480
18.3 Magnetization rotation 491
18.4 Rayleigh loop 498
18.5 Law of approach to saturation 503

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18.6 Shape of hysteresis loop 509
Problems 516
References 516

19 SPIN PHASE TRANSITION 518
19.1 Metamagnetic magnetization processes 518
19.2 Spin flop in ferrimagnetism 521
19.3 High-field magnetization process 529
19.4 Spin reorientation 533
Problems 535
References 536

20 DYNAMIC MAGNETIZATION PROCESSES 537
20.1 Magnetic after-effect 537
20.2 Eddy current loss 551
20.3 High-frequency characteristics of magnetization 556
20.4 Spin dynamics 562
20.5 Ferro-, ferri-, and antiferro-magnetic resonance 567
20.6 Equation of motion for domain walls 574
Problems 580
References 581

Part VIII Associated Phenomena
and Engineering Applications
21 VARIOUS PHENOMENA ASSOCIATED WITH
MAGNETIZATION 585
21.1 Magnetothermal effects 585
21.2 Magnetoelectric effects 590
21.3 Magneto-optical phenomena 596
References 598

22 ENGINEERING APPLICATIONS OF MAGNETIC
MATERIALS 600
22.1 Soft magnetic materials 600
22.2 Hard magnetic materials 605
22.3 Magnetic memory and memory materials 608
References 613

Solutions to problems 615

Appendix 1. Symbols used in the text 628
Appendix 2. Conversion of various units of energy 631
Appendix 3. Important physical constants 632
Appendix 4. Periodic table of elements and magnetic elements 633
Appendix 5. Conversion of magnetic quantities - MKSA and CGS systems 638
Appendix 6. Conversion of various units for magnetic field 639
Material index 641
Subject index