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Quantum dots have a small, countable number of electrons confined in a small space. Their electrons are confined by having a tiny bit of conducting material surrounded on all sides by an insulating material. If the insulator is strong enough, and the conducting volume is small enough, then the confinement will force the electrons to have discrete (quantized) energy levels. These energy levels can influence the device behavior at a macroscopic scale, showing up, for example, as peaks in the conductance. Because of the quantized energy levels, quantum dots have been called "artificial atoms." Neighboring, weakly-coupled quantum dots have been called "artificial molecules."
Learn more about quantum dots from the many resources on this site, listed below. More information on Quantum dots can be found here.
A MATLAB code for Hartree Fock calculation of H-H ground state bondlength and energy using STO-4G
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08 Aug 2006 | | Contributor(s):: Amritanshu Palaria
Hartree Fock (HF) theory is one of the basic theories underlying the current understanding of the electronic structure of materials. It is a simple non-relativistic treatment of many electron system that accounts for the antisymmetric (fermion) nature of electronic wavefunction but does not...
Quantum Dot - synthesis routes
03 Apr 2007 | | Contributor(s):: Saurabh Madaan
A brief survey of synthesis routes of quantum dots, with more emphasis on epitaxial and colloidal approaches.
SEQUAL 2.1 Source Code Download
09 Mar 2005 | | Contributor(s):: Michael McLennan
SEQUAL 2.1 is a device simulation program that computes Semiconductor Electrostatics by Quantum Analysis. Given a device, SEQUAL will compute the electron density and the current density using a quantum mechanical, collisionless description of electron propagation. It was designed to be a...
Universal Behavior of Strain in Self-assembled Quantum Dots
01 May 2016 | | Contributor(s):: Hesameddin Ilatikhameneh, Tarek Ahmed Ameen, Gerhard Klimeck, Rajib Rahman
This resource contains the universal behavior strain files produced by Nemo5. Attached also a Matlab script that can utilize the these compact descriptive files to produce the full strain distribution. Supported QD shapes; Cuboid, Dome, Cone, and Pyramid. Supported material systems;...