| Description |
1 online resource (198 pages) |
| Contents |
Cover; Title Page; Copyright Page; PREFACE; Dedication; Table of Contents; Chapter 1: Introduction; 1.1 General Information and Definitions; Ferromagnets; Ferrimagnets; Canted (Noncollinear Ferrimagnets); 1.2 Spin Hamiltonians and Exchange Interactions; Exchange Interactions; Chapter 2: The Structure; 2.1 Statistical Description of the Structure; Mixtures; 2.2 The Structure of Amorphous Magnets; 2.3 Structural Model; Chapter 3: Effective Field Theories; 3.1 The Weiss Molecular Field; Random Configuration Average; 3.2 Effective Field Theories of Amorphous Magnets; Amorphous Ferromagnets |
|
A Unified Effective Field TheoryHandrich-Kaneyoshi Approximation; Gauss Approximation; 3.3 Quasiclassical Method and Critical Concentration; Critical Concentration; 3.4 Spin-Glass Phase; Replica Method; 3.5 Effective Field Theory of Amorphous Antiferromagnets; 3.6 Inelastic Scattering of Neutrons in the Spin-Glass Phase; 3.7 Analyses of Experimental Results; Saturation Magnetization; Curie Temperature; Mixtures; Reduced Magnetization Curves; Critical Concentration; Spin-Glass Phase; Paramagnetic Curie Temperature; Amorphous Ferrimagnets; Chapter 4: Elementary Excitations |
|
4.1 Green Function Method4.2 Spin Waves at Low Temperatures; Diluted Ferromagnets; 4.3 Spin Waves at Finite Temperatures; 4.4 Computer Experiments; Krey's Method; Alben's Method; 4.5 Inelastic Scattering of Neutrons; Chapter 5: Nonuniform Distribution of Local Fields; 5.1 Mössbauer Experiments; 5.2 Theoretical Attempts; 5.3 Discussion on the Existence of Amorphous Antiferromagnets; 5.4 Critical Phenomena; Landau Theory; Analyses of Critical Exponents; Inverse Paramagnetic Susceptibility and Arrott Plots; 5.5 Ferromagnetism and Resistivity Minimum; Kondo-Type Effect; Structural Effect |
|
Chapter 6: Random Magnetic Anisotropy6.1 Origin of Random Magnetic Anisotropy; Crystal Field in the R.C.P. of Atomic Spheres; 6.2 Coercivity and the Ground State; 6.3 Molecular Field Theories; The Classical Calculation; Coercivity; Quantum Mechanical Calculations; Analysis of a Sperimagnet; 6.4 Spin Waves; References; Index |
| Summary |
"This book presents some of the methods used in the theory of amorphous magnetism, from a single standpoint that amorphous magnets have a topologically disordered structure of the type given by the dense random packing of hard spheres. The primary aim is to show systematically the present theoretical apparatus in a form which would allow the reader to use it in investigations of still unsolved problems. Even within these limits, the theory of amorphous magnetism is now a very large subject. This book is not designed to review all the developments in this rapidly developing area. It is primarily intended for the novice in this field, rather than the specialist."--Provided by publisher |
| Subject |
Amorphous substances -- Magnetic properties.
|
|
Amorphous substances -- Magnetic properties
|
| Form |
Electronic book
|
| ISBN |
9781351069618 |
|
1351069616 |
|
9781351078061 |
|
1351078062 |
|
