Semiconductor Quantum Dots

by Moss, Steven C.; Lee, H.; Ila, Daryush; Norris, David J.

• ISBN13: 9781558994782
• ISBN10: 1558994785
• Format: Hardcover
• Copyright: 2000-02-01
• Publisher: Materials Research Society

Summary

There has been witness to remarkable progress in the ability to (a) grow well-controlled dots; (b) characterize dots on a near-atomic level; and (c) theoretically describe their electronic properties using not only continuum, but also atomistic approaches. This book focuses on the broad scientific and technological interest in semiconductor quantum dots. Papers on growth and self-assembly/self-organization, as well as characterization of semiconductor quantum dots based upon various materials systems, e.g., silicon-germanium, III-V materials, and II-VI materials, are included. Discussions of technological applications, ranging from biomedical technology, microelectronics and photonics, to more esoteric applications including quantum computing, are also featured. Topics include: Si and Ge dots; II-VI and other free-standing (colloidal) dots; near-field spectroscopy of quantum dots, wires and metals; organized dots and dot arrays; transport, coulomb blockade and metallic dots; optical spectroscopy and phonons; light-emitting quantum dots; and structural characterization and growth.

Table of Contents

Preface	p. xi
Materials Research Society Symposium Proceedings	p. xii
Si and Ge Dots
Ultrafast Electron Dynamics in Ge Quantum Dots	p. 3
Intraband Absorption in Ge/Si Self-Assembled Quantum Dots	p. 9
Inter-Sub-Level Spectroscopy of p-Type Modulation-Doped Ge Quantum Dots	p. 15
Optical Property Characterization of Silicon Quantum Wires	p. 19
Low-Temperature Si Dot Thin-Film-Transistor Memory	p. 25
Mechanism of the Preferential Edge-Positioning of Self-Organized Ge Quantum Dots on Si Mesas	p. 31
Growth by Low Pressure Chemical Vapor Deposition of Silicon Quantum Dots on Insulator for Nanoelectronics Devices	p. 37
Preparation of Nanocrystalline Silicon Quantum Dots by Pulsed Plasma Processes With High Deposition Rates	p. 43
Strain in Coherent Ge Quantum Islands on Si Measured by Transmission Electron Microscopy	p. 49
II-VI and Other Free-Standing (Colloidal) Dots
Optical Properties of CdS Quantum Dots: The Key Role of the Spin-Orbit and Coulomb Interactions	p. 57
Absorption and Photoluminescence Study of CdS Quantum Dots: The Role of Host Matrix and Nanocrystal Size and Density	p. 69
Colloidal Synthesis and Properties of InAs/InP and InAs/CdSe Core/Shell Nanocrystals	p. 75
The Formation of Close-Packed Two-Dimensional CdSe Colloidal Films by Electric-Field-Induced Deposition	p. 81
Near-Field Spectroscopy of Quantum Dots, Wires, and Metals
Lateral Coupling of Self-Assembled Quantum Dots Studied by Near-Field Spectroscopy	p. 89
Optical Near-Field Properties of Lithographically Designed Metallic Nanoparticles	p. 95
Near-Field Optical Imaging of Electromigration Damages in Passivated Metal Stripes	p. 101
Organized Dots and Dot Arrays
MBE Growth and Characterization of Composite InAIAs/In(Ga)As Vertically Aligned Quantum Dots	p. 109
Fabrication and Characterization of 2D and 3D Ordered Arrays of Nanoparticles	p. 115
Uniform Quantum Wire and Quantum Dot Arrays by Natural Self-Faceting on Patterned Substrates	p. 121
Self-Assembled Embedded Sk Dots
Optical Spectroscopy of Single Self-Assembled Quantum Dots	p. 135
Photocurrent Spectroscopy of InAs/GaAs Self-Assembled Quantum Dots: Observation of a Permanent Dipole Moment	p. 147
Charge Separation Between Strain Coupled Quantum Dots in a Self-Assembled InAs Quantum Dot Structure	p. 153
1.55 Micron Emission from InAs/InP Self-Assembled Quantum Dots	p. 159
Self-Assembled InAs Islands on (Al,Ga)As, An In Situ Scanning Tunneling Microscopy Study	p. 165
Stress-Driven Formation of Self-Assembled InGaAs Islands on Sub-Micron Metal-Patterned Substrate	p. 171
Transport, Coulomb Blockade and Metallic Dots
Theory of Addition Spectra in Double Quantum Dots: Single-Particle Tunneling vs. Coulomb Interactions	p. 179
Electrical Injection and Transport in Films of Semiconductor Nanocrystals	p. 185
Charge Generation and Transport in CdSe Semiconductor Quantum Dot Solids	p. 191
Interfacial Electron Transfer in MoS[subscript 2] Nanoclusters	p. 197
Theoretical Studies of Dark Current of Quantum Dots	p. 203
Lateral Transport Through Self-Assembled InAs Quantum Dots Located in the Narrow Gap Electrodes	p. 209
Optical Spectroscopy and Phonons
Optical Phonons in CdS Nanocrystals: Effects of Size, Shape and Packing Density	p. 217
Formation of Metallic Nanoclusters in SiC by MeV Ion Implantation	p. 223
Synthesis and Raman Spectra of Cupric Oxide Quantum Dots	p. 229
Line Shape in Resonance Raman Scattering From Silicon Quantum Dots	p. 235
Few-Particle Effects in Nonlinear Optical Spectra of Semiconductor Quantum Dots	p. 241
A Comparison of the Photophysical Properties of Thiolate-Capped CdS Quantum Dots With Thiolate-Capped CdS Molecular Clusters	p. 247
Size Dependence of Second Harmonic Generation in CdSe Nanocrystals	p. 253
Quantum Confined Electron-Hole States in ZnSe Quantum Dots	p. 259
Light Emitting Quantum Dots
1.3 [mu]m InAs/GaAs Quantum Dot LED	p. 267
Controlling Growth of InAs/GaAs Self-Assembled Quantum Dots to Give 1.3 [mu]m Room Temperature Emission	p. 273
Mid-Infrared Emission in InAs/GaAs Self-Assembled Quantum Dots	p. 279
Structural Characterization and Growth
Properties of Ion Beam Synthesized Iron Disilicide Dots	p. 287
New Self-Organized Nanostructure: Chain of Crystalline-Silicon Nanospheres	p. 293
Structure of InAs Quantum Dots in Si Matrix Investigated by High Resolution Electron Microscopy	p. 299
Z-Contrast STEM Imaging and EELS of CdSe Nanocrystals: Towards the Analysis of Individual Nanocrystal Surfaces	p. 305
Spontaneous Self-Embedding of Three-Dimensional SiGe Islands	p. 313
Manipulating InAs Dots With GaAs Patterns: Effect of GaAs Buffer Layer Growth and Pattern Profiles	p. 319
Growth Evolution of (Zn,Cd)Se Quantum Dots Deduced From Spatially Resolved Structural and Optical Characterization	p. 325
Morphological Changes to InAs Quantum Dots Caused by GaAs Overgrowth	p. 331
Dynamics of the Growth of InAs Quantum Dots on GaAs(001) Substrates	p. 337
Early Stages of Growth of Ge Quantum Dots	p. 343
Three-Dimensional Finite Element Simulations of Vertical Dot Correlation in Quantum Dot Superlattice	p. 349
Preparation and Optical Properties of Ge and C-Induced Ge Quantum Dots on Si	p. 355
Author Index	p. 365
Subject Index	p. 369
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