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Fundamentals and applications of magnetic materials /
This book provides a comprehensive discussion of magnetism, magnetic materials and related applications. It covers the physics of magnetism, magnetic phenomena in materials, size and dimensionality effects and applications including information storage, spin electronics, and biomedicine.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford, United Kingdom :
Oxford University Press,
2016.
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| Edición: | First edition. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Preface ; 1 Introduction to Magnetism and Magnetic Materials; 1.1 Basic Electromagnetism; 1.1.1 Magnetic Field: Biot-Savart and Ampere Laws; 1.1.2 Magnetic Induction or Flux Density; 1.1.3 The Magnetic Flux; 1.2 Elementary Magnetostatics; 1.2.1 Magnetic Charges: ``Monopoles'' and Dipoles; 1.2.2 Magnetic Dipole Moment; 1.2.3 Field Due to a Magnetic Dipole; 1.3 The Magnetic Moment: Equivalence of Dipoles and Current Loops; 1.4 Sources of Magnetic Fields; 1.4.1 Field Generated by a Circular Current Loop; 1.4.2 Field Generated by a Solenoid; 1.4.3 Helmholtz Coils.
- 1.4.4 A Planar Coil: Archimedean Spiral1.5 Intensity of Magnetization; 1.6 Relationship between Magnetization, Field, and Induction; 1.7 Susceptibility and Permeability; 1.8 An Overview of the Types of Magnetic Behavior in Materials; 1.8.1 Diamagnetism; 1.8.2 Paramagnetism; 1.8.3 Ferromagnetism; 1.8.4 Antiferromagnetism; 1.8.5 Ferrimagnetism; 1.9 Hysteresis; 1.10 Work Done by the External Field in Hysteresis; 1.11 Demagnetization; 1.11.2 Gauss Law; 1.11.3 Demagnetization Energy; 1.11.4 Practical Consequences of the Demagnetization Field; 1.11.1 Calculation of Demagnetizing Factors.
- 1.12 Maxwell EquationsSummary; Further Reading; References; Exercises; 2 Atomic Origins of Magnetism; 2.1 Quantization of Energy; 2.2 Quantization of Angular Momentum; 2.3 Spatial Quantization of the Angular Momentum; 2.4 One-Electron Wave Functions Subject to a Central Force; 2.5 Relationship Between the Orbital Angular Momentum and the Magnetic Moment of an Electron; 2.5.1 The Zeeman Effect: Evidence for Spatial Quantization; 2.6 Electron Spin; 2.7 The Stern-Gerlach Experiment; 2.7.1 Nuclear Spin; 2.8 The Spin-Orbit Interaction; 2.9 The Electronic Structure of the Atom.
- 2.10 Total Angular Momentum and the Magnetic Moment of the Atom2.11 Quenching of Orbital Angular Momentum; 2.12 Electron Paramagnetic Resonance (EPR) and Determination of the Landé g-Factor; Summary; Further Reading; Reference; Exercises; 3 Magnetic Materials: From Isolated Moments to Ordered Arrangements; 3.1 Langevin Theory of Diamagnetism; 3.2 Introduction to Superconductors; 3.3 Langevin Theory of Paramagnetism; 3.4 Quantum Theory of Paramagnetism; 3.5 Weiss Theory of Ferromagnetism; 3.6 Law of Corresponding States; 3.7 Mean-Field Approximation, Critical Phenomena, and Exponents.
- 3.8 Exchange Interactions3.9 Nature of the Exchange Integral and the Bethe-Slater Curve; 3.10 Helical Structures; 3.11 The Physical Meaning of Long-Range and Short-Range Forces; Summary; Further Reading; References; Exercises; 4 Other Ordered Magnetic Materials: Antiferromagnetism and Ferrimagnetism; 4.1 Introduction to Antiferromagnetism; 4.2 Molecular Field Theory of Antiferromagnetism; 4.2.1 Temperature T> TN; 4.2.2 Temperature T <TN; 4.2.3 Field Applied Perpendicular to the Spin Lattice Direction; 4.2.4 Field Applied Parallel to the Spin Direction (T <TN).