John Crangle

Solid · State Magnetism (eBook, PDF)

• Format: PDF

Produktbeschreibung

Solid state magnetism is important and attempts to understand magnetic properties have led to an increasingly deep insight into the fundamental make up of solids. Both experimental and theoretical research into magnetism continue to be very active, yet there is still much ground to cover before there can be a full understanding. There is a strong interplay between the developments of materials science and of magnetism. Hundreds of new materials have been dis covered, often with previously unobserved and puzzling magnetic prop erties. A large and growing technology exists that is based on the magnetic properties of materials. Very many devices used in everyday life involve magnetism and new applications are being invented all the time. Under standing the fundamental background to the applications is vital to using and developing them. The aim of this book is to provide a simple, up-to-date introduction to the study of solid state magnetism, both intrinsic and technical. It is designed to meet the needs and interests of advanced undergraduate students reading physics; of postgraduates in physical and materials sciences and in engineering; and also those of the practising scientist specializing in another area who requires an introduction to magnetism.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 206
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461539209
• Artikelnr.: 43988382

Inhaltsangabe

1 Introduction.- 1.1 Basic magnetic properties.- 1.2 Units in magnetism.- 2 Localized magnetism associated with the ion cores.- 2.1 The origins of the magnetic properties of materials.- 2.2 The magnetic moment of a single free ion.- 2.3 The magnetic moment of an assembly of atoms, without interactions.- 2.4 Paramagnetic susceptibility of an array of atoms.- 2.5 Comparison with experiment.- 2.6 Ferromagnetism in the local moment model, with interactions.- 3 Magnetism associated with band electrons.- 3.1 Collective electron theory: general solution.- 3.2 Paramagnetism without interactions.- 3.3 Paramagnetism with interactions.- 3.4 Ferromagnetism in the band model.- 3.5 Magnetic moments of pure metals and alloys.- 4 Techniques of making magnetic measurements.- 4.1 Measurement of magnetization.- 4.2 Measurement of paramagnetic susceptibility.- 4.3 Dipole moment methods - SQUIDS.- 4.4 Derivation of spontaneous magnetization from experimental data.- 4.5 The generation of magnetic fields.- 4.6 The measurement of magnetic field.- 5 Magnetic scattering of neutrons and magnetic excitations.- 5.1 Properties of the neutron.- 5.2 Sources of neutrons.- 5.3 Powder diffraction.- 5.4 Inelastic neutron scattering.- 5.5 The polarization of neutron beams.- 5.6 Engineering applications of neutron scattering.- 5.7 Magnetic excitations and spin waves.- 5.8 Brillouin zones in metals.- 5.9 Spin wave resonance.- 6 Antiferromagnetism, ferrimagnetism and non-collinear magnetic order.- 6.1 Antiferromagnetism.- 6.2 Ferrimagnetism.- 6.3 Helimagnetism.- 6.4 The rare earth metals.- 6.5 Spin glasses.- 6.6 Magnetic amorphous alloys.- 6.7 High-TC superconducting ceramics.- 7 Exchange interactions in magnetism and hyperfine fields.- 7.1 Exchange interactions in magnetism.- 7.2 Hyperfine interactions inmagnetic materials.- 8 Domain magnetism.- 8.1 Basic principles.- 8.2 Arrangements of domains.- 8.3 Single domain particles.- 8.4 Soft magnetic materials.- 8.5 Hard magnetic materials.- 8.6 Thin magnetic films and whiskers.- 8.7 Magnetic bubbles.- 9 Applications of magnetism.- 9.1 Permanent magnets.- 9.2 Applications of soft magnetic materials.- 9.3 Magnetic tape recording.- 9.4 Applications of magnetic bubbles.- 9.5 Imaging by nuclear magnetic resonance.- 9.6 Magnetic phase analysis of alloys.