Introduction |
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1 | (10) |
1 Graded Magnonic Index and Spin Wave Fano Resonances in Magnetic Structures: Excite, Direct, Capture |
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11 | (36) |
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11 | (4) |
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15 | (3) |
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18 | (7) |
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25 | (6) |
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31 | (1) |
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1.6 Spin Wave Control and Magnonic Devices |
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32 | (5) |
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1.7 Conclusions and Outlook |
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37 | (10) |
2 Coupled Spin Waves in Magnonic Waveguides |
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47 | (30) |
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47 | (1) |
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48 | (3) |
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2.3 Spin Waves in Coupled Magnetic Stripes |
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51 | (5) |
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2.4 Nonlinear Spin Wave Coupling in Magnonic Crystals |
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56 | (4) |
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2.5 Multilayer Magnonic Crystals |
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60 | (7) |
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2.6 Frequency-Selective Tunable Spin Wave Channeling |
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67 | (5) |
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72 | (5) |
3 Tuning of the Spin Wave Band Structure in Nanostructured Iron/Permalloy Nanowire Arrays |
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77 | (22) |
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78 | (2) |
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3.2 Sample Fabrication and Brillouin Light Scattering Measurements |
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80 | (3) |
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3.3 Micromagnetic Simulations |
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83 | (1) |
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3.4 Results and Discussion |
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84 | (7) |
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3.4.1 Spin Wave Band Structure and Mode Spatial Profiles for the NWs with Rectangular Cross Section |
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84 | (4) |
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3.4.2 Spin Wave Band Structure and Mode Spatial Profiles for the NWs with L-Shaped Cross Section |
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88 | (3) |
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91 | (8) |
4 Magnetization Dynamics of Reconfigurable 2D Magnonic Crystals |
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99 | (40) |
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100 | (2) |
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4.2 Experiments and Simulations |
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102 | (6) |
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102 | (2) |
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4.2.2 Ferromagnetic Resonance Spectroscopy |
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104 | (1) |
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4.2.3 Microfocused Brillouin Light Scattering Spectroscopy |
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105 | (2) |
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4.2.4 Micromagnetic Simulations |
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107 | (1) |
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108 | (10) |
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4.3.1 Effect of Interdisk Separations |
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108 | (6) |
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109 | (2) |
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4.3.1.2 Simulated spectra |
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111 | (1) |
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111 | (2) |
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4.3.1.4 Dipolar field estimation |
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113 | (1) |
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4.3.2 Configurational Anisotropy |
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114 | (4) |
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4.3.2.1 Resonant spectra and 2D mode profiles |
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115 | (2) |
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4.3.2.2 Dipolar field models and estimation |
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117 | (1) |
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4.4 Reconfigurable Magnetization Dynamics |
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118 | (11) |
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4.4.1 Rhomboid Nanomagnets |
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119 | (2) |
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4.4.2 Two-or Three-Coupled Rhomboid Nanomagnets |
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121 | (3) |
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4.4.3 2D Magnonic Crystals |
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124 | (20) |
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4.4.3.1 Synthetic antiferromagnets |
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124 | (2) |
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4.4.3.2 Synthetic ferrimagnets |
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126 | (3) |
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129 | (10) |
5 Spin Wave Optics in Patterned Garnet |
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139 | (32) |
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140 | (4) |
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5.2 Spin Waves in Patterned YIG Micrometer Films |
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144 | (13) |
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5.2.1 Experimental Methods and Samples Details |
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144 | (1) |
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5.2.2 Spin Waves Interaction with a Single Antidot in YIG Micrometer-Thick Films |
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145 | (4) |
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5.2.3 Spin Wave Interaction with a Line of Antidots in YIG Micrometer Films |
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149 | (3) |
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5.2.4 Modeling Spin Waves Total Nonreflection Effect |
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152 | (4) |
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5.2.5 Application of Total Nonreflection Effect for Spin Wave Beam Switching |
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156 | (1) |
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5.3 Optics of Spin Waves in Nanometer-Thick YIG Film |
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157 | (8) |
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5.3.1 Reflection of Spin Waves from the Edge of the YIG Thin Film: Goos-Hanchen Effect |
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157 | (4) |
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5.3.2 Molding of Spin Wave Refraction in Two-Dimensional YIG Antidots Lattice |
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161 | (13) |
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5.3.2.1 Angular filtering |
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162 | (2) |
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5.3.2.2 All-angle collimation |
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164 | (1) |
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165 | (6) |
6 Spin Waves in Circular and Linear Chains of Discrete Magnetic Elements |
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171 | (26) |
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171 | (3) |
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6.2 Multiple-Scattering Method |
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174 | (7) |
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179 | (1) |
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180 | (1) |
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181 | (6) |
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187 | (5) |
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192 | (5) |
7 Magnonic Grating Coupler Effect and Microwave-to-Magnon Transducers for Exchange-Dominated Spin Waves |
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197 | (22) |
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197 | (3) |
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7.2 Mix-and-Match Lithography for Mesas with Magnonic Grating Couplers |
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200 | (2) |
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7.2.1 Photolithography to Prepare a Film Mesa |
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200 | (1) |
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7.2.2 Electron-Beam Lithography and Lift-Off Processing for Magnetic Nanostructures |
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201 | (1) |
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7.2.3 Integrated Coplanar Waveguide |
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202 | (1) |
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7.3 Antenna Design for Spin Wave Excitation and Detection |
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202 | (2) |
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202 | (2) |
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7.4 All-Electrical Spin Wave Spectroscopy |
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204 | (3) |
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7.4.1 Scattering Parameters |
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206 | (1) |
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206 | (1) |
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7.4.3 Measurement Configuration and Data Analysis |
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207 | (1) |
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7.5 Spin Wave Properties Studied by Experiments |
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207 | (2) |
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7.5.1 Spin Wave Group Velocity |
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207 | (1) |
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7.5.2 Decay Length and Nonreciprocity Parameter |
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208 | (1) |
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7.6 Performance of a Spin Wave Grating Coupler |
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209 | (6) |
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7.6.1 Grating Coupler-Induced Spin Wave Modes |
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211 | (1) |
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7.6.2 Towards Omnidirectional Spin Wave Emission |
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212 | (1) |
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7.6.3 Enhanced Magnon Excitation via Resonant Nanodisks |
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212 | (1) |
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7.6.4 Sub-100 nm-Wavelength Spin Waves |
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213 | (1) |
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7.6.5 Angular Dependance of Propagating Grating Coupler Modes |
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213 | (2) |
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7.7 Conclusions and Outlook |
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215 | (4) |
8 Spin Waves on Spin Structures: Topology, Localization, and Nonreciprocity |
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219 | (42) |
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219 | (3) |
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8.2 Chiral Interactions and Spin Waves |
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222 | (8) |
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8.2.1 Nonreciprocity: Symmetry Breaking through the DMI |
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223 | (3) |
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226 | (4) |
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8.3 Localization and Reconfigurability |
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230 | (20) |
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8.3.1 Domain Wall Channeling |
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231 | (4) |
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8.3.2 Edge (Partial Wall) Channeling |
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235 | (6) |
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8.3.3 Magnetic Configurations in Artificial Spin Ice |
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241 | (6) |
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8.3.4 Reprogrammable Microwave Response |
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247 | (3) |
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250 | (11) |
9 Steering Magnons by Noncollinear Spin Textures |
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261 | (34) |
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262 | (3) |
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9.2 Magnon Transport and Dispersion in Magnonic Waveguides |
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265 | (5) |
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9.3 Steering and Multiplexing Magnons by Current-Induced, Local Magnetic Fields |
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270 | (10) |
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9.4 Channeling Magnons in Magnetic Domain Walls |
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280 | (8) |
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9.5 Conclusions and Outlook |
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288 | (7) |
10 Current-Induced Spin Wave Doppler Shift |
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295 | (34) |
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296 | (1) |
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10.2 A Doppler Shift for Spin Waves |
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297 | (4) |
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10.2.1 Spin Waves in a Drifting Electron Population |
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297 | (2) |
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10.2.2 Influence of Spin Transfer Torque on Spin Wave Dynamics |
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299 | (2) |
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10.3 Experimental Observations |
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301 | (8) |
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10.3.1 Frequency Domain Inductive Measurements |
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301 | (3) |
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10.3.2 Time Domain Inductive Measurements |
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304 | (2) |
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10.3.3 Magneto-Optical Measurements |
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306 | (3) |
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10.4 Parametrizing the Two-Current Model |
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309 | (5) |
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10.4.1 Definitions of the Degree of Spin Polarization |
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310 | (1) |
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10.4.2 Spin-Dependent Electron Scattering |
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311 | (1) |
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10.4.3 Spin-Polarized Transport in Permalloy Films |
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312 | (2) |
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10.4.4 Spin-Polarized Transport in Other Materials |
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314 | (1) |
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10.5 Extraction of the Non-Adiabatic Spin Transfer Torque Parameter |
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314 | (4) |
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10.6 Other Types of Spin Wave Frequency Shifts |
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318 | (6) |
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10.6.1 Zero-Current Spin Wave Frequency Non-Reciprocity |
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319 | (2) |
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10.6.2 Reciprocal Oersted-Field-Induced Frequency Shift |
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321 | (1) |
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10.6.3 Non-Reciprocal Oersted-Field-Induced Frequency Shift |
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322 | (2) |
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10.7 Conclusion and Perspectives |
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324 | (5) |
11 Excitation and Amplification of Propagating Spin Waves by Spin Currents |
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329 | (34) |
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329 | (3) |
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11.2 Experimental Technique |
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332 | (3) |
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11.3 Excitation of Guided Spin Waves by Spin-Polarized Currents |
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335 | (4) |
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11.4 Control of the Propagation Length of Spin Waves by Pure Spin Currents |
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339 | (7) |
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11.4.1 SHE Spin-Wave Control in All-Metallic Magnonic Waveguides |
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339 | (3) |
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11.4.2 SHE Spin-Wave Control in YIG-Based Magnonic Waveguides |
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342 | (4) |
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11.5 Excitation of Spin Waves by Pure Spin Currents |
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346 | (9) |
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11.5.1 Excitation of Continuous Propagating Spin Waves |
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346 | (5) |
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11.5.2 Excitation of Short Spin-Wave Packets |
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351 | (4) |
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355 | (8) |
12 Propagating Spin Waves in Nanocontact Spin Torque Oscillators |
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363 | (22) |
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363 | (2) |
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12.2 Nanocontact Spin Torque Oscillators |
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365 | (3) |
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12.3 Magnetodynamical Modes |
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368 | (2) |
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12.3.1 Role of the Oersted Field |
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369 | (1) |
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12.4 Asymmetric Spin Wave Propagation |
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370 | (3) |
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12.5 Spin Wave Beam-Driven Synchronization |
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373 | (4) |
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12.6 Conclusions and Future Directions |
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377 | (8) |
13 Parametric Excitation and Amplification of Spin Waves in Ultrathin Ferromagnetic Nanowires by Microwave Electric Field |
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385 | (42) |
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386 | (2) |
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13.2 Excitation of Spin Waves |
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388 | (19) |
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13.2.1 Efficiency of the Parametric Interaction and Excitation Threshold |
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388 | (14) |
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13.2.1.1 Perpendicularly magnetized nanowire |
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388 | (8) |
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13.2.1.2 Nanowire with in-plane static magnetization |
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396 | (3) |
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13.2.1.3 Notes on multimode waveguides |
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399 | (3) |
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13.2.2 Nonlinear Spin Wave Dynamics under Parametric Pumping: Stationary Amplitudes of Excited Spin Waves |
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402 | (5) |
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13.3 Amplification of Spin Waves by Parametric Pumping |
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407 | (5) |
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13.3.1 Linear Regime of the Parametric Amplification |
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407 | (3) |
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13.3.2 Amplification of Large-Amplitude Spin Waves: Stabilization of Spin Wave Amplitudes |
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410 | (2) |
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13.4 Effect of Interfacial Dzyaloshinskii-Moriya Interaction on Parametric Processes |
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412 | (6) |
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13.4.1 Spin Wave Nonreciprocity Induced by Interfacial Dzyloshinskii-Moriya Interaction |
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412 | (2) |
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13.4.2 Parametric Amplification of Nonreciprocal Spin Waves |
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414 | (4) |
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418 | (9) |
Index |
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427 | |