INTRODUCTION TO NANOTECHNOLOGY

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INTRODUCTION TO NANOTECHNOLOGY Lecture 4 Energy
Band Structure of Semiconductors (Fisher) Yumin
Zhang
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Ideal Quantum Well
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Realistic Quantum Well
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Semiconductor Quantum Well
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Parabolic Quantum Well
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Separated Double Quantum Wells
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Coupled Double Quantum Wells
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Split of Energy Levels
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Cross-Over of Energy Levels
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Diatomic Molecules
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Split of Energy Levels
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Coupling of the Wavefunctions
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Total Energy versus Separation
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Orbit Hybridization
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Split of SP3 Energy Levels
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Triple Quantum Wells
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Quadruple Quantum Wells
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Five Quantum Wells
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Multiple Coupled-QWs Superlattice
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GaInAs/InP Superlattice
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Energy Band Formation
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Energy Band in Coordinate Space
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Energy Band in k-Space
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k-Vector and Orientation
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Kronig-Penny Model
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Absorption and Band Structure
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Effective Mass
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State, Probability and Particle
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Fermi Sphere
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Density of States (DOS)
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Boltzmann and Fermi-Dirac Distributions
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Probability for Electron and Hole
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Population Calculation
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Intrinsic Carriers
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Intrinsic Semiconductor
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n-Type Doping
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n-Type Semiconductor
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p-Type Doping
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p-Type Semiconductor
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Temperature and Carrier
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Defects in Crystal
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Exciton States
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Diffusion Process
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Diffusion Current
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Drift Process
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Drift Current
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Mobility