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Preface | |
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List of Contributors | |
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Introduction to Hydrogen in Semiconductors II | |
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Isolated Monatomic Hydrogen in Silicon | |
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Introduction | |
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Theory | |
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Hydrogen in the Positive Charge State: H[superscript +] | |
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Hydrogen in the Neutral Charge State: H[superscript 0] | |
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Hydrogen in the Negative Charge State: H[superscript -] | |
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Relative Stability of Different Charge States and Negative-U Character | |
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Experiment | |
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Donor Level | |
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Acceptor Level | |
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Equilibrium Densities | |
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Conclusions | |
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Electron Paramagnetic Resonance Studies of Hydrogen and Hydrogen-Related Defects in Crystalline Silicon | |
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Introduction | |
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Interstitial (BC) Hydrogen in Silicon | |
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Experimental Procedure | |
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EPR Spectrum of Bond-Centered Hydrogen | |
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Stress-Induced Alignment of Bond-Centered Hydrogen | |
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Thermally Activated Annealing | |
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EPR of Hydrogen-Related Complexes in Silicon | |
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Hydrogen-Intrinsic Defect Complexes | |
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EPR of Platinum-Hydrogen and Sulphur-Hydrogen Complexes | |
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ENDOR Spectra of Si--H Bonds at the (111) Si Surface | |
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ENDOR of Hydrogen in the Oxygen Thermal Donor (NL10) | |
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Hydrogen-Induced Effects in Silicon | |
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Hydrogen-Associated Shallow Donors in Hydrogen-Implanted Silicon | |
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Stress-Induced Alignment of the AA1 Spectrum | |
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Neutral Charge State of Hydrogen-Associated Donor | |
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EPR Evidence of Hydrogen-Enhanced Diffusion of Al in Silicon | |
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Summary and Conclusions | |
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Hydrogen in Polycrystalline Silicon | |
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Introduction | |
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Experimental Techniques | |
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Sample Preparation and Characterization | |
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Hydrogen Passivation | |
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Characterization | |
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Hydrogen Diffusion | |
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Hydrogen Diffusion from a Plasma Source | |
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Hydrogen Diffusion from a Silicon Layer | |
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Hydrogen Density of States | |
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Hydrogen Passivation of Grain-Boundary Defects | |
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Metastability | |
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Light-Induced Defect Generation | |
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Metastable Changes in the Electrical Conductivity | |
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Hydrogen-Induced Defects During Plasma Exposure | |
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Generation of Acceptor-Like Defects | |
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Platelets | |
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Summary and Future Directions | |
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Hydrogen Phenomena in Hydrogenated Amorphous Silicon | |
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Introduction | |
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Material Characterization by Hydrogen Effusion and Infrared Absorption | |
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Measurement Techniques and Material Preparation | |
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Hydrogen Effusion Data | |
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Infrared Absorption Data | |
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Experimental Hydrogen Diffusion and Solubility Data | |
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Hydrogen Diffusion Data | |
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Hydrogen Solubility Data | |
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Hydrogen Diffusion and Effusion Effects | |
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Hydrogen Diffusion Processes | |
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Hydrogen Density of States Distribution and Hydrogen Chemical Potential | |
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Temperature Shift of Hydrogen Chemical Potential and Meyer-Neldel Rule of Hydrogen Diffusion | |
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Time Dependence of Hydrogen Diffusion Coefficient | |
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Deviations from Error-Function Diffusion Profiles | |
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Plasma In-Diffusion Versus Layer Diffusion | |
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Relation Between SIMS Diffusion Data and Hydrogen Effusion Data | |
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Interrelation Between IR Absorption Spectra and Effusion Transients | |
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Hydrogen Solubility Effects | |
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Solubility in Compact Material | |
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Hydrogen-Related Void Formation | |
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Conclusions | |
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Hydrogen Interactions with Polycrystalline and Amorphous Silicon--Theory | |
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Introduction | |
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Role of Hydrogen in Amorphous and Polycrystalline Silicon | |
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General Features of Hydrogen in Silicon | |
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Computational Approaches | |
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Hydrogen Interactions With Amorphous Silicon | |
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Hydrogen Motion - Introduction | |
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Hydrogen Interactions with Dangling Bonds | |
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Hydrogen Interactions with Overcoordination Defects | |
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Hydrogen Interactions with Weak Si--Si Bonds | |
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Simulations of Amorphous Networks | |
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Hydrogen Diffusion and Metastability - Discussion | |
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Hydrogen Versus Deuterium for Passivation of Dangling Bonds | |
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Hydrogen in Polycrystalline Silicon | |
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Grain Boundaries | |
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Hydrogen Interactions with Grain Boundaries | |
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Hydrogen-Induced Generation of Donor-Like Metastable Defects | |
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Hydrogen-Induced Generation of Acceptor-Like Defects | |
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Conclusions and Future Directions | |
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Hydrogen in Polycrystalline CVD Diamond | |
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Introduction | |
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Solid-State Characterization Techniques | |
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Fourier Transform Spectroscopy | |
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Nuclear Magnetic Resonance | |
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Electron Paramagnetic Resonance | |
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Other Analysis Techniques | |
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Results of Solid-State Analysis | |
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Covalent Bonding Environments | |
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Quantitative Hydrogen Concentrations | |
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Local Hydrogen Distribution | |
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Proximity to Paramagnetic Defects | |
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Macroscopic Hydrogen Distributions | |
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Effects of Hydrogen on Observed Properties | |
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Infrared Transmission | |
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Thermal Conductivity | |
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Summary | |
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Dynamics of Muonium Diffusion, Site Changes and Charge-State Transitions | |
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Introduction | |
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Experimental Techniques | |
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Transverse-Field Methods | |
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Longitudinal-Field Methods | |
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Identification and Characterization of Muonium States | |
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Neutral Paramagnetic Centers | |
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Charged Diamagnetic Centers | |
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Dynamics of Muonium Transitions | |
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Silicon: The Basic Model | |
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Germanium | |
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Gallium Arsenide | |
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Other III-V Materials | |
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Relevance to Hydrogen Impurities | |
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Hydrogen in III-V and II-VI Semiconductors | |
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Introduction | |
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Hydrogen in III-V Semiconductors | |
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Hydrogen in GaAs | |
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Hydrogen in AlAs | |
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Hydrogen in InP | |
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Hydrogen in GaP | |
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Hydrogen in AlSb | |
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Hydrogen in GaN | |
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Hydrogen in Other III-V Semiconductors | |
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Hydrogen in II-VI Semiconductors | |
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Hydrogen in ZnSe | |
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Hydrogen in CdTe | |
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Summary and Future Discussion | |
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The Properties of Hydrogen in GaN and Related Alloys | |
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Introduction | |
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Hydrogen in As-Grown Nitrides | |
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Doped Material | |
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Sources of Hydrogen | |
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Diffusion | |
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Dopant Passivation | |
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Calcium | |
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Carbon | |
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Summary | |
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Diffusion and Reactivation Mechanism | |
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Alloys | |
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In-Containing Nitrides | |
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Mechanisms | |
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Heterostructures | |
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Role of Hydrogen During Processing | |
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Implant Isolation | |
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Wet Processing | |
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Deposition and Etching | |
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Theory of Hydrogen in Nitrides | |
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Summary and Conclusions | |
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Theory of Hydrogen in GaN | |
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Introduction | |
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Method | |
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Defect Concentrations and Solubility | |
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Energetics, Atomic Geometries, and Electronic Structure | |
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Monatomic Hydrogen in GaN | |
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Atomic Geometries and Stable Positions | |
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Migration Path and Diffusion Barriers | |
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Formation Energies and Negative-U Effect | |
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Hydrogen Molecules in GaN | |
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Hydrogen-Acceptor Complexes in GaN | |
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The Mg-H Complex | |
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Other H-Acceptor Complexes | |
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Complexes of H With Native Defects | |
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Hydrogen Interacting with Nitrogen Vacancies | |
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Hydrogen Interacting with Gallium Vacancies | |
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Role of Hydrogen in Doping GaN | |
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Doping in the Absence of Hydrogen | |
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Doping in the Presence of Hydrogen | |
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Activation Mechanism of the Dopants | |
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General Criteria for Hydrogen to Enhance Doping | |
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Conclusions and Outlook | |
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Index | |
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Contents of Volumes in This Series | |