Description |
1 online resource (280 pages) |
Contents |
Cover; Half Title; Title Page; Copyright Page; Table of Contents; Preface; Acknowledgments; 1 Introduction; 1.1 Magnetoresistance; 1.1.1 Tunnel Magnetoresistance; 1.2 Tunneling Involving Magnetic Materials; 1.2.1 The Rectangular Potential Barrier; 1.2.2 Jullière Model for Spin-Dependent Tunneling; 1.2.3 Coherent Magnetic Tunneling; 1.3 General Motivation behind Noise Measurements in Spintronics; 2 Noise in Spintronic Systems; 2.1 A Formal Description of Noise; 2.1.1 Stochastic Processes; 2.1.2 Time Series Analysis; 2.2 White Noise; 2.2.1 Thermal Noise; 2.2.2 Shot Noise |
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2.2.3 Unified Equation for Shot Noise in Tunnel Junctions2.3 Random Telegraph Noise; 2.4 1/f Noise; 2.4.1 Thermal Magnetic Fluctuations; 2.4.2 Magnetic Noise in Spintronics; 2.5 High Frequency Noise in Spintronics; 2.5.1 Thermal Ferromagnetic Resonance (T-FMR); 2.5.2 Excess Microwave Noise due to Spin-Transfer Torque; 2.5.3 Phase Noise; 3 Experimental Methods; 3.1 Amplifying the Signal; 3.1.1 The Cross-Correlation Technique; 3.2 Data Analysis; 3.2.1 1/f Noise Analysis; 3.2.2 Shot Noise Analysis; 3.2.3 Random Telegraph Noise Analysis; 3.2.3.1 Using the time series and spectrum |
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3.2.3.2 Using only the time series4 Noise in Metallic Spin Valves; 4.1 Resistance Low-Frequency Noise in Spin Valves and Its Relation with Fluctuation-Dissipation Theorem; 4.2 Is There Excess Low-Frequency Noise in the AP State?; 4.3 Coupled Current and Magnetization Noise; 4.4 Link between Domain Wall Related Noise and Spin Torque in Spin Valves and Synthetic Antiferromagnets; 4.5 Shot Noise in Spin Valves; 5 Shot Noise in Single-Barrier Magnetic Tunnel Junctions; 5.1 Shot Noise MTJs with AlOx Barriers; 5.2 Shot Noise with MgO Barriers; 5.3 Spin-Related Shot Noise |
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6 Frequency-Dependent Noise in Single-Barrier Magnetic Tunnel Junctions6.1 1/f Noise in Single-Barrier Magnetic Tunnel Junctions; 6.1.1 Magnetic State-Dependent Low-Frequency Noise in Epitaxial Magnetic Tunnel Junctions with MgO(100) Barriers; 6.1.2 Interplay between Electronic and Magnetic Noise; 6.1.3 Detailed Analysis of the Low-Frequency Noise in the AP State; 6.1.4 Influence of Carbon Doping on the Low-Frequency Noise; 6.2 Frequency-Dependent Spin-Flip Noise due to Non-Equilibrium Spin Accumulation; 6.2.1 Lateral Size Dependence of the Low-Frequency Noise in Sub-Micron MTJs |
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7 Interplay between Spin Torque and Noise in Sub-100 nm Size Magnetic Tunnel Junctions7.1 Introduction to Spin Torque; 7.2 Transition from T-FMR to a Steady-State Precession; 7.3 Influence of Spin Transfer Torque Dynamics on 1/f Noise; 7.4 STT Magnetization Switching and Random Telegraph Noise; 8 Magnetoresistance and Noise in Magnetic Tunnel Junctions with Optimized Interface Mismatch; 8.1 Lattice Mismatch and Interfacial Stress Problems; 8.2 Optimization of Tunneling Magnetoresistance through Improved Lattice Mismatch; 8.3 Low-Frequency Noise; 8.4 Band Edge Noise Spectroscopy |
Notes |
8.4.1 Growth and Characterization of the Samples |
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Print version record |
Subject |
Spintronics.
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Solid state physics.
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Solid state physics.
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Spintronics.
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Form |
Electronic book
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Author |
Cascales, Juan Pedro
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ISBN |
9781351617383 |
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1351617389 |
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