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Giant magnetoresistance : new research /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Science Publishers,
©2009.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- GIANT MAGNETORESISTANCE:NEW RESEARCH; GIANT MAGNETORESISTANCE:NEW RESEARCH; CONTENTS; PREFACE; MICROWAVE GMR IN MAGNETIC METALLICMULTILAYERS; Abstract; 1. Magnetic Metallic Nanostructures; 2. High-Frequency Giant Magnetoresistive Effect; 2.1. Penetration of Electromagnetic Waves through Metallic Films and Nanostructures; 2.2. Transmission and Reflection Coefficients; 2.3. Electromagnetic Waves Penetration through Fe/Cr Superlattices; 2.4. Microwave GMR in Co/PtAg, Co/Cu and FeNi/V Nanostructures; 3. High-Frequency Magnetoresistive Effect in Current-Perpendicular-to-Plane Geometry
- 3.1. Peculiarities of CPP GMR Measured on DC3.2. Scheme of High-Frequency CPP Measurement in Coaxial Resonator; 3.3. Comparison between Current-in-Plane and Current-Perpendicular-to-Plane Magnetoresistance; 4. Microwave GMR Measured with Travelling Waves; 4.1. Waves in Rectangular Waveguide with Metallic Nanostructure; 4.2. Magnetic Field effect on the Wave Number and Transmission and Reflection Coefficients; 4.3. Sign-Alternating Microwave Magnetoresistive Effect; 5. Magnetoresistance of Metallic Nanostructures in InfraredWaveband; 6. Magnetic Resonance in Metallic Multilayered Nanostructures
- 6.1. Types of Magnetic Moment Oscillations. Resonance Spectra6.2. Magnetic Resonance in Microwave Penetration through MetallicNanostructure; 7. Effective Interaction of Electromagnetic Waves of MillimeterWaveband with Metallic Nanostructures; 8. Summary and Concluding Remarks; References; Introduction; Overview of Experiments and Models; Current-Induced Magnetization Switching; General Properties; STT versus TMR; Current-Induced Magnetization Excitations; Origin of Spin Transfer Torque; Phenomenological Description; Spin Transfer in an Arbitrary Ferromagnet
- Theories of Spin Transfer in Magnetic Tunnel JunctionsQuantum Origin of Spin Torque in Magnetic Tunnel Junctions; Free Electron Model; Spin Transport in a MTJ; Incidence Selection in an Amorphous Barrier; -Selection due to Tunnelling; Spin Selection due to Ferromagnets; Spin Filtering in Crystalline Structures; Torques and Coupling; Observable Properties; Angular Dependence; Decay Length of Spin Density; Ballistic Interferences; Spin Scattering Mechanisms; Real Fermi Surfaces; Bias Dependence; Free Electron Model; Circuit Theory; Asymmetric Junction; Role of Magnons Emissions
- Recent Experimental InvestigationsRadio-Frequency Signature of Spin Torque; Thermally Activated Phase Diagrams; From Weak Ferromagnetic to Half-Metallic Tunnel Junctions; Conclusion; Untitled; References; MAGNETORESISTANCE AND PHASE SEPERATION INCOBALT OXIDES; Abstract; Introduction; I. The Ln-rich Cobalt Perovskites Ln1-xAxCoO3 (A = Ca, Sr, Ba); I.1. The Parent Phases LnCoO3 (x = 0); I.2. The Ln-rich Cobalt Perovskites Ln1-xAxCoO3 (A = Ca, Sr, Ba); I.2.1. Structural Characteristics; I.2.2. Magnetic Properties of Ln1-xAxCoO3; I.2.3. Transport Properties of Ln1-xAxCoO3