In the last ten years, the physics and technology of low dimensional structures has experienced a tremendous development. Quantum structures with vertical and lateral confinements are now routinely fabricated with feature sizes below 100 run. While quantization of the electron states in mesoscopic systems has been the subject of intense investigation, the effect of confinement on lattice vibrations and its influence on the electron-phonon interaction and energy dissipation in nanostructures received atten tion only recently. This NATO Advanced Research Workshop on Phonons in Sem iconductor…mehr
In the last ten years, the physics and technology of low dimensional structures has experienced a tremendous development. Quantum structures with vertical and lateral confinements are now routinely fabricated with feature sizes below 100 run. While quantization of the electron states in mesoscopic systems has been the subject of intense investigation, the effect of confinement on lattice vibrations and its influence on the electron-phonon interaction and energy dissipation in nanostructures received atten tion only recently. This NATO Advanced Research Workshop on Phonons in Sem iconductor Nanostructures was a forum for discussion on the latest developments in the physics of phonons and their impact on the electronic properties of low-dimensional structures. Our goal was to bring together specialists in lattice dynamics and nanos tructure physics to assess the increasing importance of phonon effects on the physical properties of one-(lD) and zero-dimensional (OD) structures. The Workshop addressed various issues related to phonon physics in III-V, II-VI and IV semiconductor nanostructures. The following topics were successively covered: Models for confined phonons in semiconductor nanostructures, latest experimental observations of confined phonons and electron-phonon interaction in two-dimensional systems, elementary excitations in nanostructures, phonons and optical processes in reduced dimensionality systems, phonon limited transport phenomena, hot electron effects in quasi - ID structures, carrier relaxation and phonon bottleneck in quantum dots.
Long Wave Polar Optical Phonons in Heterostructures.- Confined and Interface Phonons in Quantum Wires.- Hybrid Optical Modes and Their Interactions with Electrons.- Phonons in GaAs/AlAs Nanostructures: From Two-Dimensional to One-Dimensional Systems.- Optical Phonons in Quasi-One Dimensional Semiconductors.- Confinement and Disorder Effects on Phonons in Semiconductor Microstructures.- Local Phonons in Strained Superlattices.- Resonant Magneto-Raman Scattering by Acoustic Phonons in Quantum Wells and Superlattices.- Angular Dispersion of GaAs Optical Phonons in GaAs/AlAs Superlattices.- Phonon Hybridization in Semiconductor Superlattices.- Optical Phonons in Superlattices and Cylindrical Quantum Wires.- Double Raman Resonances in Semiconductor Multiquantum Wells Induced by High Magnetic Fields.- Acoustic Phonon Pulse Studies of a Gated 2DEG Microstructure.- Investigation of 1 Dimensional Intermixing in InGaAs/InGaAsP Based Devices: Electrons.- Investigation of 1 Dimensional Intermixing in InGaAs/InGaAsP Based Devices: Phonons.- Resonant Impurity-Electron-Optical-Phonon Interactions in GaAs and GaAs/AlGaAs Quantum Wells and Superlattices.- Magneto-Polaron Effect on Shallow Donors in 3D and Q2D Systems.- A Generalised Description of the Fröhlich Polaron in Low Dimensionally Confined Media.- Time-Resolved Raman Studies of Electron-Optical Phonon Interactions inGaAs-AlAs Multiple Quantum Well Structures.- Interface Phonon Assisted T-X Transitions in GaAs-AlAs Structures.- Reduced Carrier-Lattice Energy Transfer Rates in GaAs Quantum Wells in the Presence of Cold Plasmas: A Direct Measurement Via Phonon Population Dynamics.- Nonequilibrium Optical Phonons in GaAs-AlAs Quantum Wells.- Fröhlich Exciton-Phonon Interaction in Quantum Wells: Resonant Raman Spectroscopy UnderElectric Fields.- Polaron Cyclotron Resonance Spectrum With Interface Optical Phonon Modes in GaAs/AlAs Quantum Wells.- Electron-Phonon Scattering in Semiconductor Nanostructures Under High Magnetic Fields.- Energy and Momentum Relaxation of Hot Hybrid Modes in Nanostructures.- Elementary Excitations in Low-Dimensional Electron Systems and Resonant Interaction with Optical Phonons.- Inelastic Light Scattering by Free Electrons in GaAs Quantum Wires.- Electron-Hole Pair - Phonon Interaction in Semiconductor Microcrystals.- Polaron-Like Interaction of Electrons and Holes in an Array of Quantum Dots under Strong B?.- Carrier Capture and Stimulated Emission in Quantum Wire Lasers Grown on Nonplanar Substrates.- Optical Properties of Serpentine and Tilted Superlattices.- Exciton-Optical Phonon Interaction in Reduced Dimensional Systems: Temperature Dependence of the Linewidth.- Phonon Assisted Optical Properties of Semiconductor Nanostructures.- Optical Spectroscopy of Dry Etched Zinc Telluride.- Exciton-Phonon Coupling in Spherical Semiconductor Quantum Dots in the Adiabatic Approximation.- Raman Spectroscopy and Optical Properties of Porous Silicon.- Raman Scattering in CdS1-xSex Quantum Dots Embedded in Glass: Evidence of Size-Dependent Lattice Contraction.- Transition Metals in Silicon.- Relaxation of Hot Carriers in Semiconductor Nanostructures.- Electron-Hole Plasma Spectroscopy in One-Dimensional Semiconductors.- Phonon Confinement and Electron-Phonon Interactions in Semiconductor Nanostructures.- Statistical Approach for the Phonon Relaxation Bottlenecks in Quantum Boxes and Impact on Optoelectronic Devices.- Non-Equilibrium Carrier Statistics and Optic Phonon Resonances in Quantum Wires.- Theoretical and Experimental Study of Electron Transport inOne-Dimensional Coupled Quantum Boxes.- Dissipative Transport in Nanostructures: A Many-Electron Approach.- Engineering Applications of Phonons and the Acousto-Optical Interaction.- List of Participants.- Author Index.
Long Wave Polar Optical Phonons in Heterostructures.- Confined and Interface Phonons in Quantum Wires.- Hybrid Optical Modes and Their Interactions with Electrons.- Phonons in GaAs/AlAs Nanostructures: From Two-Dimensional to One-Dimensional Systems.- Optical Phonons in Quasi-One Dimensional Semiconductors.- Confinement and Disorder Effects on Phonons in Semiconductor Microstructures.- Local Phonons in Strained Superlattices.- Resonant Magneto-Raman Scattering by Acoustic Phonons in Quantum Wells and Superlattices.- Angular Dispersion of GaAs Optical Phonons in GaAs/AlAs Superlattices.- Phonon Hybridization in Semiconductor Superlattices.- Optical Phonons in Superlattices and Cylindrical Quantum Wires.- Double Raman Resonances in Semiconductor Multiquantum Wells Induced by High Magnetic Fields.- Acoustic Phonon Pulse Studies of a Gated 2DEG Microstructure.- Investigation of 1 Dimensional Intermixing in InGaAs/InGaAsP Based Devices: Electrons.- Investigation of 1 Dimensional Intermixing in InGaAs/InGaAsP Based Devices: Phonons.- Resonant Impurity-Electron-Optical-Phonon Interactions in GaAs and GaAs/AlGaAs Quantum Wells and Superlattices.- Magneto-Polaron Effect on Shallow Donors in 3D and Q2D Systems.- A Generalised Description of the Fröhlich Polaron in Low Dimensionally Confined Media.- Time-Resolved Raman Studies of Electron-Optical Phonon Interactions inGaAs-AlAs Multiple Quantum Well Structures.- Interface Phonon Assisted T-X Transitions in GaAs-AlAs Structures.- Reduced Carrier-Lattice Energy Transfer Rates in GaAs Quantum Wells in the Presence of Cold Plasmas: A Direct Measurement Via Phonon Population Dynamics.- Nonequilibrium Optical Phonons in GaAs-AlAs Quantum Wells.- Fröhlich Exciton-Phonon Interaction in Quantum Wells: Resonant Raman Spectroscopy UnderElectric Fields.- Polaron Cyclotron Resonance Spectrum With Interface Optical Phonon Modes in GaAs/AlAs Quantum Wells.- Electron-Phonon Scattering in Semiconductor Nanostructures Under High Magnetic Fields.- Energy and Momentum Relaxation of Hot Hybrid Modes in Nanostructures.- Elementary Excitations in Low-Dimensional Electron Systems and Resonant Interaction with Optical Phonons.- Inelastic Light Scattering by Free Electrons in GaAs Quantum Wires.- Electron-Hole Pair - Phonon Interaction in Semiconductor Microcrystals.- Polaron-Like Interaction of Electrons and Holes in an Array of Quantum Dots under Strong B?.- Carrier Capture and Stimulated Emission in Quantum Wire Lasers Grown on Nonplanar Substrates.- Optical Properties of Serpentine and Tilted Superlattices.- Exciton-Optical Phonon Interaction in Reduced Dimensional Systems: Temperature Dependence of the Linewidth.- Phonon Assisted Optical Properties of Semiconductor Nanostructures.- Optical Spectroscopy of Dry Etched Zinc Telluride.- Exciton-Phonon Coupling in Spherical Semiconductor Quantum Dots in the Adiabatic Approximation.- Raman Spectroscopy and Optical Properties of Porous Silicon.- Raman Scattering in CdS1-xSex Quantum Dots Embedded in Glass: Evidence of Size-Dependent Lattice Contraction.- Transition Metals in Silicon.- Relaxation of Hot Carriers in Semiconductor Nanostructures.- Electron-Hole Plasma Spectroscopy in One-Dimensional Semiconductors.- Phonon Confinement and Electron-Phonon Interactions in Semiconductor Nanostructures.- Statistical Approach for the Phonon Relaxation Bottlenecks in Quantum Boxes and Impact on Optoelectronic Devices.- Non-Equilibrium Carrier Statistics and Optic Phonon Resonances in Quantum Wires.- Theoretical and Experimental Study of Electron Transport inOne-Dimensional Coupled Quantum Boxes.- Dissipative Transport in Nanostructures: A Many-Electron Approach.- Engineering Applications of Phonons and the Acousto-Optical Interaction.- List of Participants.- Author Index.
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