| Dislocations in Germanium: Mechanical Properties | p. 1 |
| Introduction | p. 1 |
| Elastic Properties of Germanium | p. 2 |
| Definitions | p. 2 |
| Linear Expansion Coefficient of Ge | p. 4 |
| The First-Order Elastic Constants | p. 6 |
| Third-Order Elastic Constants | p. 7 |
| Internal Friction of Ge | p. 8 |
| Dislocation: Definitions and Structures | p. 11 |
| Creation and Observation of Dislocations | p. 15 |
| Grown-In Dislocations | p. 17 |
| Deformation-Induced Dislocations | p. 18 |
| Observation of Dislocations | p. 19 |
| Hardness and Plasticity of Ge at Room Temperature | p. 24 |
| High Temperature Plasticity of Germanium | p. 30 |
| Dislocation Velocity: Experimental Facts | p. 31 |
| Dislocation Velocity: Fundamental Understanding | p. 41 |
| Static Flow Tests or Creep Curve | p. 42 |
| Dynamic Testing: Stress-Strain Yield Curves in Ge | p. 46 |
| Impact of Dislocations on Dopant Diffusion | p. 54 |
| Conclusions | p. 57 |
| References | p. 58 |
| Electrical and Optical Properties | p. 65 |
| Introduction | p. 65 |
| Electronic States of Dislocations | p. 67 |
| Read's Acceptor Level Model | p. 67 |
| Schröet;ter's 1D Band Model | p. 70 |
| First Principles Calculations and EPR Results: Do DBs Exist in Split Dislocations? | p. 75 |
| One Dimensional Conduction Along Dislocations | p. 77 |
| Deformation-Induced Point Defects | p. 83 |
| Electrical Activity of Grown-In Dislocations | p. 85 |
| Impact of Dislocations on Carrier Mobility | p. 89 |
| Impact of Dislocations on Lifetime, Trapping, and Noise | p. 93 |
| Impact on Carrier Recombination | p. 93 |
| Impact on Low Frequency Noise | p. 99 |
| Impact of Dislocations on Ge Junction Devices | p. 100 |
| Impact of Dislocations on Optical Properties | p. 104 |
| Absorption and Recombination | p. 107 |
| Optical Recombination | p. 110 |
| Photoconductivity | p. 113 |
| Photoluminescence | p. 126 |
| Conclusions | p. 131 |
| References | p. 132 |
| Grain Boundaries in Germanium | p. 137 |
| Introduction | p. 137 |
| Structure and Observation of Grain Boundaries | p. 137 |
| Electrical Properties of Grain Boundaries | p. 141 |
| Optical Properties of Grain Boundaries | p. 150 |
| Conclusions | p. 151 |
| References | p. 151 |
| Germanium-Based Substrate Defects | p. 153 |
| Introduction | p. 153 |
| Epitaxial Deposition: Definitions | p. 154 |
| Modern Epitaxial Techniques | p. 154 |
| Epitaxial Growth Modes | p. 158 |
| Heteroepitaxial Strained Layers | p. 159 |
| Equilibrium Critical Thickness | p. 160 |
| Metastable Critical Thickness | p. 163 |
| Misfit and Threading Dislocation Densities | p. 165 |
| Strained Layer Dislocation Nucleation Mechanism | p. 166 |
| Dislocation Glide and Climb in Strained Layers | p. 169 |
| Dislocation Interaction Mechanisms | p. 172 |
| Elastic Relaxation by Surface Roughening | p. 175 |
| Strain Relaxation in Local Epitaxial Growth | p. 178 |
| Homoepitaxy of Germanium | p. 180 |
| Growth Modes | p. 180 |
| Growth Roughness and Epitaxial Breakdown at Low Temperatures | p. 184 |
| Heteroepitaxial Growth of Ge on Si | p. 193 |
| Initial Growth Mechanisms | p. 195 |
| Direct Layer-By-Layer Growth of Ge on Si | p. 198 |
| Growth of Thick Relaxed Ge Layers Directly on Si | p. 203 |
| Growth of Thick Relaxed Ge Layers by Means of a Graded Virtual Substrate | p. 206 |
| Selective Epitaxial Growth of Relaxed Ge on Si | p. 210 |
| Growth of Strained Ge and Si Layers and Si/Ge Superlattices | p. 215 |
| Defects in Germanium-On-Insulator Substrates | p. 216 |
| Summary and Conclusions | p. 227 |
| References | p. 228 |
| Process-Induced Defects in Germanium | p. 241 |
| Introduction | p. 241 |
| Fundamental Ion Implantation Damage Mechanisms | p. 242 |
| Heavy Ion Induced Void Formation | p. 254 |
| Damage Annealing and Solid Phase Epitaxial Regrowth | p. 257 |
| Implantation Damage and Removal by Standard Dopant Ions | p. 265 |
| Lattice Site and Damage of Implanted Species in Ge | p. 265 |
| Boron Implantation in Ge | p. 268 |
| Al Implantation in Ge | p. 277 |
| P and As Implantation in Ge | p. 278 |
| {311} Interstitial Clusters in Ge | p. 282 |
| Oxygen Implantation in Ge and Ion Beam Mixing | p. 283 |
| Hydrogen-Related Extended Defects in Germanium | p. 285 |
| Conclusions | p. 287 |
| References | p. 288 |
| Index | p. 293 |
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