Description

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.

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1. Illinois ABE 446 Lecture 3: Quantum Dots and Polymers

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   11 Feb 2010 | Teaching Materials | Contributor(s): Kaustubh Bhalerao

   NCN@illinois

   https://nanohub.org/resources/8422

2. 2005 Molecular Conduction and Sensors Workshop

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   27 Jul 2005 | Workshops

   This is the 3rd in a series of annual workshops on Molecular Conduction. The prior workshops have been at Purdue University, W. Lafayette, IN (2003) and Nothwestern University, Evanston, IL...

   https://nanohub.org/resources/140

3. 3D wavefunctions

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   12 Apr 2010 | Animations | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

   In quantum mechanics the time-independent Schrodinger's equation can be solved for eigenfunctions (also called eigenstates or wave-functions) and corresponding eigenenergies (or energy levels) for...

   https://nanohub.org/resources/8805

4. Analytically how to find the energy states for an ellipsoidal Quantum Dot?

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   https://nanohub.org/answers/question/521

5. How do I interpret CV measurements of self-assembled quantum dot stacks?

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   I’ve been reading papers where CV measurements of stacks of self-assembled quantum dots are used to characterise the energy levels in the dots. I am at a loss to interpret the plots. For...

   https://nanohub.org/answers/question/129

6. Quantum dots

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   What I want to do is building an aluminum quantum dot coupled to aluminum leads to observe Coulomb Blockade. To form the tunnel barriers we oxidize the Al in a plasma without any detailed...

   https://nanohub.org/answers/question/2

7. What is the effective mass of electron in InN (Quantum Dot)?

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   I am working with InN QD. I need to know the actual electron effective mass in https://nanohub.org/answers/question/1193

8. with what equations I can calculate photoluminescence spectra of Quantum Dots?

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   I want to find theoretically photo and electro luminescence of self assembled InAs/GaAs QDs in a PIN diode...

   https://nanohub.org/answers/question/779

9. A Gentle Introduction to Nanotechnology and Nanoscience

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   13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner

   While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement...

   https://nanohub.org/resources/1021

10. 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 | Downloads | 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...

    https://nanohub.org/resources/1718

11. Active Photonic Nanomaterials: From Random to Periodic Structures

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    06 Feb 2006 | Online Presentations | Contributor(s): Hui Cao

    Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our...

    https://nanohub.org/resources/1012

12. 

    Ali Khaledi Nasab

    I am Ali, MSc of Physics. I am working on modelling of QDs. I will start my PhD next fall (2014). Now I am searching to find a proper 3D model to investigate the QDs.

    https://nanohub.org/members/93425

13. Atomic Force Microscopy

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    01 Dec 2005 | Online Presentations | Contributor(s): Arvind Raman

    Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of...

    https://nanohub.org/resources/520

14. Atomistic Alloy Disorder in Nanostructures

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    26 Feb 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and...

    https://nanohub.org/resources/2350

15. Atomistic Modeling and Simulation Tools for Nanoelectronics and their Deployment on nanoHUB.org

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    16 Dec 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    At the nanometer scale the concepts of device and material meet and a new device is a new material and vice versa. While atomistic device representations are novel to device physicists, the...

    https://nanohub.org/resources/10199

16. Bandstructure in Nanoelectronics

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    01 Nov 2005 | Online Presentations | Contributor(s): Gerhard Klimeck

    This presentation will highlight, for nanoelectronic device examples, how the effective mass approximation breaks down and why the quantum mechanical nature of the atomically resolved material...

    https://nanohub.org/resources/381

17. Bionanotechnology: a different perspective

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    30 Apr 2008 | Online Presentations | Contributor(s): Murali Sastry

    The study of the synthesis, exotic properties, assembly/packaging and potential commercial application of nanomaterials is an extremely important topic of research that is expected to have...

    https://nanohub.org/resources/4402

18. BME 695L Lecture 5: Nanomaterials for Core Design

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    03 Oct 2011 | Online Presentations | Contributor(s): James Leary

    See references below for related reading. 5.1      Introduction 5.1.1    core building blocks 5.1.2    functional...

    https://nanohub.org/resources/12057

19. Control of Exchange Interaction in a Double Dot System

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    05 Feb 2004 | Online Presentations | Contributor(s): Mike Stopa

    As Rolf Landauer observed in 1960, information is physical. As a consequence, the transport and processing of information must obey the laws of physics. It therefore makes sense to base the laws...

    https://nanohub.org/resources/152

20. Coulomb Blockade Simulation

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    05 Jul 2006 | Tools | Contributor(s): Xufeng Wang, Bhaskaran Muralidharan, Gerhard Klimeck

    Simulate Coulomb Blockade through Many-Body Calculations in a single and double quantum dot system

    https://nanohub.org/resources/coulombsim