Since the early 1990s, quantum dots have become an integral part of research in solid state physics for their fundamental properties that mimic the behavior of atoms and molecules on a larger scale. They also have a broad range of applications in engineering and medicines for their ability to tune their electronic properties to achieve specific functions. This book is a compilation of articles that span 20 years of research on comprehensive physical models developed by their authors to understand the detailed properties of these quantum objects and to tailor them for specific applications. Far from being exhaustive, this book focuses on topics of interest for solid state physicists, materials scientists, engineers, and general readers, such as quantum dots and nanocrystals for single-electron charging with applications in memory devices, quantum dots for electron-spin manipulation with applications in quantum information processing, and finally self-assembled quantum dots for applications in nanophotonics.
Part 1: Electrostatic Quantum Dots: Planar Technology
1. Self-Consistent Analysis of Single Electron Charging Effects in Quantum Dot Nanostructures
Dejan Jovanovic and Jean-Pierre Leburton
2. Disorder-Induced Resonant Tunneling in Planar Quantum Dot Nanostructures
D. Jovanovic, J.-P. Leburton, H. Chang, R. Grundbacher, and I. Adesida
3. Three-Dimensional Self-Consistent Simulation of Interface and Dopant Disorders in Delta-Doped Grid-Gate Quantum Dot Devices
V. Y. Thean, S. Nagaraja, and J.-P. Leburton
4. Shell-Filling Effects and Coulomb Degeneracy in Planar Quantum Dot Structures
Satyadev Nagaraja, Philippe Matagne, Voon-Yew Thean, Jean-Pierre Leburton, Yong-Hoon Kim, and Richard M. Martin
5. Shell Filling of Artificial Atoms Within the Density Functional Theory
In-Ho Lee, Vivek Rao, Richard M. Martin, and Jean-Pierre Leburton
6. Electronic Properties and Spin Polarization in Coupled Quantum Dots
Satyadev Nagaraja, Jean-Pierre Leburton, and Richard M. Martin
7. Capacitive Energy of Quantum Dots with Hydrogenic Impurity
In-Ho Lee, Kang-Hun Ahn, Yong-Hoon Kim, Richard M. Martin, and Jean-Pierre Leburton
8. Electron–Electron Interactions Between Orbital Pairs in Quantum Dots
S. Nagaraja, L. R. C. Fonseca, and J.-P. Leburton
9. 2D Limit of Exchange–Correlation Density Energy Functional Approximation
Yong-Hoon Kim, In-Ho Lee, Satyadev Nagaraja, Jean-Pierre Leburton, Randolph Q. Hood, and Richard M. Martin
10. Single-Electron Charging and Detection in a Laterally Coupled Quantum Dot Circuit in the Few-Electron Regime
L.-X. Zhang, P. Matagne, J.-P. Leburton, R. Hanson, and L. P. Kouwenhoven
11. Engineering the Quantum Point Contact Response to Single-Electron Charging in a Few-Electron Quantum Dot Circuit
L.-X. Zhang, J.-P. Leburton, R. Hanson, and L. P. Kouwenhoven
12. Electrostatic Cross-Talk Between Quantum Dot and Quantum Point Contact Charge Read-Out in Few-Electron Quantum Dot Circuits
L.-X. Zhang and J.-P. Leburton
13. Dimensionality Effects in the Two-Electron System in Circular and Elliptic Quantum Dots
Dmitriy V. Melnikov and Jean-Pierre Leburton
14. Single-Particle State Mixing in Two-Electron Coupled Quantum Dots
Dmitriy V. Melnikov and Jean-Pierre Leburton
15. Exchange Interaction and Stability Diagram of Coupled Quantum Dots in Magnetic Fields
L.-X. Zhang, D. V. Melnikov, and J.-P. Leburton
16. Coulomb Localization and Exchange Modulation in Two-Electron Coupled Quantum Dots
Dmitriy V. Melnikov, Jean-Pierre Leburton, Ahmed Taha, and Nahil Sobh
17. Single-Particle State Mixing and Coulomb Localization in Two-Electron Realistic Coupled Quantum Dots
Dmitriy V. Melnikov and Jean-Pierre Leburton
18. Von Neumann–Wigner Theorem in Quantum Dot Molecules
L.-X. Zhang, D. V. Melnikov, and J.-P. Leburton
19. Non-monotonic Variation of the Exchange Energy in Double Elliptic Quantum Dots
L.-X. Zhang, D. V. Melnikov, and J.-P. Leburton
Part 2: Electrostatic Quantum Dots: Vertical Technology
20. Modeling of the Electronic Properties of Vertical Quantum Dots by the Finite Element Method
Philippe Matagne, Jean-Pierre Leburton, Jacques Destine, and Guy Cantraine
21. Addition Energy Spectrum of a Quantum Dot Disk up to the Third Shell
D. G. Austing, Y. Tokura, S. Tarucha, P. Matagne, and J.-P. Leburton
22. Shell Charging and Spin Filling Sequences in Realistic Vertical Quantum Dots
P. Matagne, J.-P. Leburton, D. G. Austing, and S. Tarucha
23. Three-Dimensional Analysis of the Electronic Structure of Cylindrical Vertical Quantum Dots
Philippe Matagne and Jean-Pierre Leburton
24. Hybrid Lsd a/Diffusion Quantum Monte Carlo Method for Spin Sequences in Vertical Quantum Dots
P. Matagne, T. Wilkens, T. Wilkens, J.-P. Leburton, and R. Martin
25. Self-Consistent Simulations of a Four Gated Vertical Quantum Dot
Philippe Matagne and Jean-Pierre Leburton
26. Three-Dimensional Self-Consistent Simulations of Symmetric and Asymmetric Laterally Coupled Vertical Quantum Dots
R. Ravishankar, P. Matagne, J.-P. Leburton, R. M. Martin, and S. Tarucha
27. Spin Configurations in Circular and Rectangular Quantum Dot in a Magnetic Field: Three-dimensional Self-consistent Simulations
Dmitriy V. Melnikov, Philippe Matagne, Jean-Pierre Leburton, D. G. Austing, G. Yu, S. Tarucha, John Fettig, and Nahil Sobh
28. Spin Charging Sequences in Three Colinear Laterally Coupled Vertical Quantum Dots
J. Kim, D. V. Melnikov, J.-P. Leburton, D. G. Austing, and S. Tarucha
29. Many-Body Excitations in the Tunneling Current Spectra of a Few-Electron Quantum Dot
D. V. Melnikov, T. Fujisawa, D. G. Austing, S. Tarucha, and J.-P. Leburton
30. Coupled Quantum Dots as Two-Level Systems: A Variational Monte Carlo Approach
J. Kim, D. V. Melnikov, and J-.P. Leburton
31. Tunable Many-Body Effects in Triple Quantum Dots
Jihan Kim, Dmitriy V. Melnikov, and Jean-Pierre Leburton
Part 3: Self-Assembled Quantum Dots
32. Self-consistent Calculation of the Electronic Structure and Electron–electron Interaction in Self-assembled InAs-GaAs Quantum Dot Structures
L. R. C. Fonseca, J. L. Jimenez, J.-P. Leburton, and Richard M. Martin
33. Electronic Coupling in InAs/GaAs Self-assembled Stacked Double quantum dot Systems
L. R. C. Fonseca, J. L. Jimenez, and J.-P. Leburton
34. Electronic Properties and Mid-Infrared Transitions in Self-Assembled Quantum Dots
Jean-Pierre Leburton, Leornado R. C. Fonseca, John Shumway, David Ceperley, and Richard M. Martin
35. Electronic Structure of Self-Assembled Quantum Dots: Comparison Between Density Functional Theory and Diffusion Quantum Monte Carlo
J. Shumway, L. R. C. Fonseca, J.-P. Leburton, Richard M. Martin, and D. M. Ceperley
36. Electronic Properties of Inas/Gaas Self-Assembled Quantum Dots: Beyond the Effective Mass Approximation
Weidong Sheng and Jean-Pierre Leburton
37. Electron-Hole Alignment in Inas/Gaas Self-Assembled Quantum Dots: Effects of Chemical Composition and Dot Shape
Weidong Sheng and Jean-Pierre Leburton
38. Absence of Correlation Between Built-in Electric Dipole Moment and Quantum Stark Effect in Self-Assembled InAs/GaAs Quantum Dots
Weidong Sheng and Jean-Pierre Leburton
39. Interband Transition Distributions in the Optical Spectra of InAs/GaAs Self-Assembled Quantum Dots
Weidong Sheng and Jean-Pierre Leburton
40. Effects of Thin GaAs Insertion Layer on InAs/(InGaAs)/InP(001) Quantum Dots Grown by Metalorganic Chemical Vapor Deposition
Kwangmin Park, Pilkyung Moon, Eungjin Ahn, Sukwon Hong, Euijoon Yoon, Jeong Won Yoon, Hyeonsik Cheong, and Jean-Pierre Leburton
41. Enhanced Intraband Transitions with Strong Electric Field Asymmetry in Stacked Inas/Gaas Self-Assembled Quantum Dots
Weidong Sheng and Jean-Pierre Leburton
42. Enhanced Intraband Stark Effects in Stacked Inas/Gaas Self-Assembled Quantum Dots
Weidong Sheng and Jean-Pierre Leburton
43. Anomalous Quantum-Confined Stark Effects in Stacked InAs/GaAs Self-Assembled Quantum Dots
Weidong Sheng and Jean-Pierre Leburton
44. Spontaneous Localization in InAs/GaAs Self-Assembled Quantum Dot Molecules
Weidong Sheng and Jean-Pierre Leburton
45. Enhanced Piezoelectric Effects in Three-Dimensionally Coupled Self-Assembled Quantum Dot Structures
Pilkyung Moon, Youngsoo Lee, Eungjin Ann, Jungsub Kim, Changjae Yang, Gun-Do Lee, Euijoon Yoon, and Jean-Pierre Leburton
46. A nisotropic Enhancement of Piezoelectricity in the Optical Properties of Laterally Coupled Inas/Gaas Self-Assembled Quantum Dots
Weidong Sheng, Jean-Pierre Leburton, Pilkyung Moon, Euijoon Yoon, Weidong Sheng, and Jean-Pierre Leburton
Part 4: Silicon/Germanium Nanocrystals
47. Three-Dimensional Self-Consistent Simulation of Silicon Quantum Dot Floating-Gate Flash Memory Device
A. Thean and J.-P. Leburton
48. Stark Effect and Single-Electron Charging in Silicon Nanocrystal Quantum Dots
A. Thean and J.-P. Leburton
49. Strain Effect in Large Silicon Nanocrystal Quantum Dots
A. Thean and J.-P. Leburton
50. Geometry and Strain Effects on Single-Electron Charging in Silicon Nanocrystals
A. Thean and J.-P. Leburton
51. Three-Dimensional Self-Consistent Simulation of the Charging Time Response in Silicon Nanocrystal Flash Memories
J. S. de Sousa, A. V. Thean, J.-P. Leburton, and V. N. Freire
52. Effects of Crystallographic Orientations on the Charging Time in Silicon Nanocrystal Flash Memories
J. S. de Sousa, J.-P. Leburton, A. V. Thean, V. N. Freire, and E. F. da Silva, Jr.
53. Intraband Absorption and Stark Effect in Silicon Nanocrystals
J. S. de Sousa, J.-P. Leburton, V. N. Freire, and E. F. da Silva, Jr.
54. Intraband Absorption in Silicon Nanocrystals: The Combined Effect of Shape and Crystal Orientation
J. S. de Sousa, J.-P. Leburton, V. N. Freire, and E. F. da Silva, Jr.
55. Hole- Versus Electron-Based Operations in SiGe Nanocrystal Nonvolatile Memories
J. S. de Sousa, V. N. Freire, and J.-P. Leburton
56. Light-Induced Programming of Si Nanocrystal Flash Memories
J. S. de Sousa, G. A. Farias, and J.-P. Leburton
57. Interface Defect-Assisted Single Electron Charging (and Discharging) Dynamics in Ge Nanocrystals Memories
J. S. de Sousa, R. Peibst, G. A. Farias, J.-P. Leburton, and K. R. Hofmann
Biography
Jean-Pierre Leburton is a Gregory Stillman Professor of Electrical and Computer Engineering and a Professor of Physics at the University of Illinois at Urbana-Champaign (UIUC), Illinois, USA. He is also a professor at the Micro and Nanotechnology Laboratory and Coordinated Science Laboratory, UIUC. His research interests include semiconductor devices, nonlinear transport in semiconductors, electronic and optical properties of quantum well heterostructures and superlattices, physical properties of quantum wires and quantum dots, spin effects in quantum dots, simulation of nanostructures, quantum computation and quantum information processing, and DNA electronic recognition.