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1 The Interaction of Light with Solids: An Overview of Optical Characterization |
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1 | (60) |
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1.1 The Wave Nature of Light |
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2 | (5) |
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1.2 Dielectric Tensor of Bulk Crystals |
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7 | (3) |
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1.3 Spectroscopic Ellipsometry |
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10 | (2) |
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1.4 Fresnel Equations for the Reflection of Light |
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12 | (12) |
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1.4.1 Fresnel Description of the Reflection of Light from an Isotropic Material |
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12 | (2) |
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1.4.2 Isotropic Bulk Materials |
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14 | (1) |
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1.4.3 Isotropic Thin Film on Isotropic Bulk Substrate |
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15 | (1) |
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1.4.4 Ultra-Thin Dielectric Film Ellipsometry |
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15 | (1) |
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1.4.5 Thin 2D Film on Transparent Solid |
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16 | (1) |
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1.4.6 Effective Medium Approximation for Surface Roughness |
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17 | (1) |
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1.4.7 Anisotropic Uniaxial Solid with Uniaxial Optical Axis Normal to the Surface |
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17 | (2) |
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1.4.8 Anisotropic Uniaxial Solid with Uniaxial Optical Axis Parallel to the Surface |
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19 | (1) |
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1.4.9 Anisotropic Uniaxial Thin Film with the Optical Axis Normal to the Surface of an Isotropic Substrate (or Anisotropic Uniaxial Thin Film with the Optical Axis Normal to a Uniaxial Substrate with Optical Axis also Normal to the Surface) |
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20 | (2) |
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1.4.10 Anisotropic Biaxial Solid with One Optical Axis Normal to the Surface and the Second Normal to the Plane of Incidence |
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22 | (1) |
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1.4.11 Anisotropic Biaxial Film on an Isotropic Substrate with One Optical Axis Normal to the Surface and the Second Normal to the Plane of Incidence |
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23 | (1) |
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1.5 Examples of Reflectance and Ellipsometry of 2D Films |
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24 | (9) |
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25 | (3) |
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1.5.2 Monolayer TMD's (Trilayers of Chalcogenide---Transition Metal---Chalcogenide) |
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28 | (2) |
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1.5.3 Topological Insulators |
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30 | (1) |
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1.5.4 2D Slab and Surface Current Models for the Optical Conductivity of 2D Films |
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31 | (2) |
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1.6 Generalized Ellipsometry: Optical Transition Matrix Approach for Crystals and Thin Films with Arbitrarily Oriented Optical Axes |
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33 | (3) |
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1.7 Optical Properties of Materials (Dielectric Function/Complex Refractive Index) |
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36 | (3) |
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1.8 The Particle Nature of Light |
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39 | (1) |
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40 | (15) |
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1.9.1 Theory of Raman Scattering |
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42 | (4) |
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1.9.2 Diamond and Zinc Blende Crystals |
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46 | (1) |
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1.9.3 Wurtzite and other Uniaxial Crystals |
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47 | (2) |
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1.9.4 Van Der Waals (Layered) Materials |
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49 | (6) |
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55 | (2) |
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57 | (4) |
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2 Introduction to the Band Structure of Solids |
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61 | (44) |
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2.1 Band Structure and Optical Properties |
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62 | (1) |
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63 | (1) |
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64 | (1) |
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2.4 Block Function Wave Vector k |
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65 | (3) |
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2.5 A Simple s Level Conduction Band for a Semiconductor Using a Tight Binding Approximation |
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68 | (7) |
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2.6 A Simple p Level Valence Band Using a Tight Binding Approximation |
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75 | (8) |
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2.7 Hybrid sp3 Bonding in Semiconductors Versus the Band Picture |
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83 | (1) |
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2.8 Spin-Orbit Coupling (A Semiclassical Approach) |
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83 | (7) |
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90 | (2) |
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92 | (3) |
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2.11 Tight Binding Model in the Second Quantization Formalism |
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95 | (3) |
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2.12 Crystal Structure Symmetry - Definitions of Point Groups and Space Groups |
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98 | (4) |
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102 | (3) |
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105 | (10) |
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3.1 Spectroscopic Ellipsometry |
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105 | (4) |
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109 | (1) |
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3.3 Photoluminescence Spectroscopy |
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110 | (2) |
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112 | (3) |
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4 Microscopic Theory of the Dielectric Function |
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115 | (34) |
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4.1 Relationship Between Dielectric Function and Optical Absorption |
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117 | (1) |
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4.2 Semiclassical Derivation of the Dielectric Function |
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118 | (5) |
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4.3 The Energy Dependence of the Dielectric Function for Parabolic Bands |
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123 | (2) |
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4.4 Joint Density of States, Critical Points, and Van Hove Singularities |
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125 | (1) |
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4.5 The Naming and Energy Dependence of the Critical Points |
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126 | (2) |
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4.6 Determining the Critical Point Energy Using Experimental Data |
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128 | (2) |
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4.7 Critical Points in Semiconductors (E1, E2, etc.) Review of Si, Ge, GaAs and Other Group IV and III-V Materials |
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130 | (13) |
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4.7.1 Brillouin Zone of Silicon, Germanium, Tin, and Diamond |
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130 | (1) |
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4.7.2 Critical Points of Silicon |
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131 | (2) |
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4.7.3 Critical Points of Germanium and Diamond |
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133 | (2) |
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4.7.4 Comments on Spin Orbit Splitting and CP Energies for Ge |
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135 | (1) |
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4.7.5 Critical Points of Sn |
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135 | (1) |
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4.7.6 Critical Points of GaAs and GaSb |
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136 | (2) |
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4.7.7 Critical Points of GaN |
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138 | (1) |
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4.7.8 Critical Points of CdSe |
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139 | (2) |
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4.7.9 Critical Points of Si1-xGex Alloys |
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141 | (1) |
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4.7.10 Critical Points of Ge1-xSnx Alloys |
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142 | (1) |
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4.8 The Effect of Doping on the Dielectric Function |
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143 | (2) |
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145 | (4) |
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5 Excitons and Excitonic Effects During Optical Transitions |
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149 | (30) |
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5.1 Description of Excitons in 3D, 2D, and 1D |
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150 | (2) |
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5.2 Energy of Excitons in 3D, 2D, and 1D |
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152 | (4) |
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5.2.1 3D (Bulk Materials) |
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152 | (1) |
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152 | (1) |
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153 | (1) |
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153 | (3) |
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5.3 Exciton Binding Energy in Semiconductor Dielectric Quantum Wells |
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156 | (1) |
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5.4 The Impact of Nanolayer Thickness on Band Gap and Photoluminescence Determination of Exciton Binding Energy |
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157 | (3) |
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5.5 Derivation of Dielectric Function Including Excitons and Excitonic Effects |
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160 | (8) |
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5.5.1 Quantum Mechanical Derivation of Excitonic Effects for a Direct Gap Transition |
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161 | (4) |
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5.5.2 Elliott Description of Absorption for 3D, 2D, and 1D and the Sommerfeld Factor for Coulomb Enhancement |
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165 | (3) |
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5.6 The Effect of Nanoscale Dimensions on the Band Gap, Band Structure and Exciton Energies of Semiconductors |
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168 | (6) |
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5.6.1 The Bandgap of Semiconductor Nanodots |
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170 | (1) |
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5.6.2 Thickness Dependence of Exciton Binding Energies in I-V Quantum Wells |
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171 | (1) |
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5.6.3 Electron-Phonon Interactions in Nanoscale SiO2-Si-SiO2 Quantum Wells |
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172 | (2) |
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5.7 Comments on Photoluminescence Lineshape |
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174 | (1) |
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175 | (4) |
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6 Hall Effect Characterization of the Electrical Properties of 2D and Topologically Protected Materials |
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179 | (50) |
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6.1 Classical Hall Effect (HE) |
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181 | (5) |
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6.1.1 Classical Picture of Edge States |
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184 | (1) |
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6.1.2 Classical Picture of Magneto-Conductivity Tensor |
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185 | (1) |
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6.2 Integer Quantum Hall Effect (IQHE) |
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186 | (12) |
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6.2.1 Landau Levels---The Quantization of 3D and 2D Carrier Motion in a Magnetic Field |
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188 | (3) |
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6.2.2 Integer Quantized Transport |
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191 | (4) |
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6.2.3 Experimental Microscopic Observation of Carrier Transport and Chemical Potential for the IQHE |
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195 | (2) |
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6.2.4 Summary for experimental imaging of IQHE |
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197 | (1) |
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6.3 Topological Explanation of the Integer Quantum Hall Effect (IQHE) |
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198 | (12) |
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6.3.1 Berry Phase, Berry Curvature, and Berry Potential |
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199 | (3) |
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6.3.2 The Kubo Formula for the Conductivity and the TKNN Theory of the IQHE |
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202 | (2) |
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204 | (2) |
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6.3.4 Quantization of the Hall Conductance and the TKNN (Chern) Number |
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206 | (2) |
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6.3.5 Winding Number and Edge State Quantization in IQHE |
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208 | (1) |
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6.3.6 Brief Introduction to the Topological Description of Electronic Band Structure |
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209 | (1) |
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6.4 Integer Quantum Hall Effect for Graphene |
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210 | (2) |
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6.5 Fractional Quantum Hall Effect (FQHE): Many Body Physics in Action |
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212 | (3) |
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6.6 Anomalous Hall Effect (AHE) |
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215 | (4) |
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6.7 Quantum Anomalous Hall Effect (QAHE) |
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219 | (1) |
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6.8 Spin Hall Effect (SHE) and Quantum Spin Hall Effect (QSHE) |
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220 | (1) |
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6.9 Optical Measurement of Spin and Pseudospin Conductance |
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221 | (1) |
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6.10 Thermal (Nernst) Spin Hall Effect |
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222 | (1) |
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6.11 Skyrmion Hall Effect |
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222 | (1) |
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223 | (2) |
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225 | (4) |
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7 Optical and Electrical Properties of Graphene, Few Layer Graphene, and Boron Nitride |
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229 | (66) |
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231 | (3) |
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7.1.1 Bravais Lattice of Graphene |
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232 | (2) |
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7.2 Tight Binding Approximation for the π Bands of Graphene |
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234 | (12) |
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7.2.1 Another Look at the Reciprocal Lattice of Graphene |
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239 | (1) |
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7.2.2 Graphene's n Electronic Band Structure |
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240 | (2) |
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7.2.3 Comparing Nearest Neighbor Graphene Energy Bands to Ab Initio Results |
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242 | (1) |
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7.2.4 Sub-lattice PseudoSpin (Valley) and the Graphene Band Structure |
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242 | (2) |
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7.2.5 Dirac Points and Dirac Cones |
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244 | (1) |
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7.2.6 Dirac Cone Shape for Graphene with NNN (Next Nearest Neighbor) Hopping |
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244 | (1) |
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7.2.7 Hexagonal 2D Lattices with Different Atoms at A and B Positions (E.G., Hexagonal Boron Nitride, h-BN) |
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244 | (2) |
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7.3 The Importance of Understanding the Optical and Electrical Properties of Graphene: Proof of Dirac Carriers |
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246 | (5) |
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7.3.1 Electrical Test Structures for Graphene and Graphene Multilayers |
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250 | (1) |
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7.4 Introduction to Relativistic Quantum Mechanics for 2D Materials |
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251 | (7) |
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7.4.1 Sub-lattice Pseudospin, Valley Pseudospin, and Chirality for Dirac Fermions in Graphene |
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255 | (2) |
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7.4.2 Berry Phase of an Electron in the π Bands of Graphene |
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257 | (1) |
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7.5 The Berry Phase Correction for the Quantum Hall Effect and Shubnikov De Hass Oscillations in Graphene |
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258 | (7) |
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7.6 Electronic Structure of Bilayer Graphene |
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265 | (6) |
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7.6.1 Massive Dirac Fermions in Bilayer Graphene |
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269 | (1) |
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7.6.2 The Berry Phase Correction for the Quantum Hall Effect and Shubnikov De Hass Oscillations in Bilayer Graphene |
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270 | (1) |
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7.7 The Electronic Structure of TriLayer and TetraLayer Graphene |
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271 | (3) |
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7.7.1 The Berry Phase Correction for the Quantum Hall Effect and Shubnikov De Hass Oscillations in Trilayer Graphene |
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273 | (1) |
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7.8 Optical Characterization of Graphene and Multilayer Graphene |
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274 | (2) |
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7.9 Effect of Rotational Orietation Between Layers on Bilayer Graphene (Twisted Bilayer Graphene), Monolayer---Bilayer Graphene, and Bilayer-Bilayer Graphene Properties |
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276 | (10) |
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7.9.1 Twisted Bilayer Graphene |
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277 | (6) |
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7.9.2 Monolayer---Bilayer Graphene, Middle Layer---Twist Angle Trilayer Graphene, and Bilayer-Bilayer Graphene |
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283 | (3) |
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7.10 The Electronic Band Structure and Optical Properties of Hexagonal Boron Nitride (h-BN) and Graphene---h-BN |
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286 | (5) |
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7.10.1 Graphene---BN Heterostructures |
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288 | (3) |
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291 | (4) |
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8 Optical and Electrical Properties of Transition Metal Dichalcogenides (Monolayer and Bulk) |
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295 | (68) |
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8.1 Structure and Bonding for TMD Materials |
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298 | (3) |
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8.2 Tight Binding Model for Highest Energy Valence Band and Lowest Energy Conduction Bands of Trigonal Prismatic Monolayer TMD |
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301 | (20) |
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8.2.1 Band Splitting Due to Spin Orbit Coupling |
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317 | (4) |
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8.3 Direct Observation of Monolayer TMD Valley Pseudospin and Valence Band Spin Splitting |
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321 | (3) |
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8.4 Massive Dirac Fermions: Physics and Optical Transitions at the K and K' Points in the Brillouin Zone |
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324 | (3) |
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8.5 Band Gap Renormalization and Photoluminescence Lineshape |
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327 | (1) |
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8.6 The Complex Refractive Index (Dielectric Function) and Optical Conductivity of Monolayer TMD |
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328 | (4) |
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8.6.1 Optical Conductivity of Monolayer TMD |
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330 | (2) |
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8.7 Structure, Electronic Band Structure, and Optical Properties of Bilayer Trigonal Prismatic TMD |
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332 | (4) |
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336 | (3) |
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8.9 The Complex Refractive Index (Dielectric Function) of Multilayer and Bulk TMD |
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339 | (1) |
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8.10 The Layer Number Dependence of Raman Scattering from Trigonal Prismatic TMD |
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339 | (6) |
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8.11 Transition-Metal Dichalcogenide Haeckelites (A Theoretical Material) |
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345 | (6) |
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8.12 Twisted and Hetero-Bilayers of Transition Metal Dichalcogenides with graphene and h-BN |
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351 | (1) |
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8.13 ReS2 and ReSe2 with the 1T' Structure |
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352 | (1) |
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8.14 Practical Aspects of Characterization of TMD Materials Using Spectroscopic Ellipsometry |
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353 | (1) |
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8.15 Symmetry and Space Group Summary for Transition Metal Dichalcogenides |
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354 | (4) |
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358 | (5) |
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9 Optical and Electrical Properties Topological Materials |
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363 | (100) |
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9.1 Overview of Topological (Dirac) Materials |
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366 | (12) |
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9.1.1 Topological Surface States on 3D Topological Insulators |
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371 | (2) |
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9.1.2 Weyl Semimetals and Dirac Semimetals |
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373 | (3) |
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9.1.3 Large Gap Quantum Spin Hall Insulator |
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376 | (1) |
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9.1.4 Axion and Axion Insulator |
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377 | (1) |
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377 | (1) |
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377 | (1) |
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9.1.7 Topological Superconductors |
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378 | (1) |
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9.2 Tight Binding Hamiltonian with Spin-Orbit and On-Site Coulomb (Hubbard) Interactions and a 3D Dirac Equation |
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378 | (3) |
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9.3 Optical and Electronic Properties of Topological Materials |
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381 | (4) |
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9.4 3D Topological Insulators |
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385 | (22) |
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9.4.1 Crystal and Electronic Band Structure of 3D Topological Insulators and Large Gap Quantum Spin Hall Insulators |
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385 | (8) |
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9.4.2 Optical Properties of 3D Topological Insulators and Large Gap Quantum Spin Hall Insulators |
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393 | (9) |
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9.4.3 Electrical Properties of 3D Topological Insulators and Large Gap Quantum Spin Hall Insulators |
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402 | (5) |
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9.5 Weyl, Dirac Semimetals, and Related Materials |
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407 | (47) |
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9.5.1 Structure, Bonding, and Electronic Band Structure of Weyl, Dirac Semimetals, and Related Materials |
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409 | (21) |
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9.5.2 Optical Properties of Weyl, Dirac Semimetals, and Related Materials |
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430 | (13) |
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9.5.3 Electrical Properties of Weyl, Dirac Semimetals, and Related Materials |
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443 | (11) |
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454 | (9) |
Appendix A Mueller Matrix Spectroscopic Ellipsometry |
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463 | (4) |
Appendix B Kramers--Kronig Relationships for the Complex Refractive Index and Dielectric Function |
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467 | (2) |
Appendix C Topological Periodic Tables |
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469 | (10) |
Index |
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479 | |