Support

Support Options

Submit a Support Ticket

 

Tags: quantum dots

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.

Resources (41-60 of 87)

  1. Path Integral Monte Carlo

    13 Dec 2007 | Tools | Contributor(s): John Shumway, Matthew Gilbert

    Tool Description

    http://nanohub.org/resources/pimc

  2. Development of a Nanoelectronic 3-D (NEMO 3-D ) Simulator for Multimillion Atom Simulations and Its Application to Alloyed Quantum Dots

    14 Jan 2008 | Publications | Contributor(s): Gerhard Klimeck, Timothy Boykin

    Material layers with a thickness of a few nanometers are common-place in today’s semiconductor devices. Before long, device fabrication methods will reach a point at which the other two...

    http://nanohub.org/resources/3819

  3. Finite Size Scaling and Quantum Criticality

    02 Jan 2008 | Online Presentations | Contributor(s): Sabre Kais

    In statistical mechanics, the finite size scaling method provides a systematic way to extrapolate information about criticality obtained from a finite system to the thermodynamic limit. For...

    http://nanohub.org/resources/3526

  4. NanoElectronic MOdeling: NEMO

    20 Dec 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational...

    http://nanohub.org/resources/3707

  5. Engineering Nanomedical Systems

    16 Nov 2007 | Online Presentations | Contributor(s): James Leary

    This tutorial will cover general problems and approaches to the design of engineered nanomedical systems. An example to be covered is the engineering design of programmable multilayered...

    http://nanohub.org/resources/3539

  6. Engineering at the nanometer scale: Is it a new material or a new device?

    06 Nov 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This seminar will overview NEMO 3D simulation capabilities and its deployment on the nanoHUB as well as an overview of the nanoHUB impact on the community.

    http://nanohub.org/resources/3504

  7. KIST/PU Multi-Component, Multi-Functional Nanomedical Systems for Drug/Gene Delivery

    23 Oct 2007 | Online Presentations | Contributor(s): James Leary

    In this brief paper we describe some of our recent efforts to construct multi-component, multi-functional nanomedical systems for delivery of therapeutic genes. We first describe the general...

    http://nanohub.org/resources/3380

  8. MCW07 Simple Models for Molecular Transport Junctions

    13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner

    We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.

    http://nanohub.org/resources/3072

  9. Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence

    31 Aug 2007 | Online Presentations | Contributor(s): Huw Summers

    The integration of thin (< 100 nm) metal films with micro-scale optical waveguides provides a route to controlled spatial excitation of cellular fluorescence within a biochip...

    http://nanohub.org/resources/3121

  10. Quantum Dot Lab Learning Module: An Introduction

    02 Jul 2007 | Learning Modules | Contributor(s): James K Fodor, Jing Guo

    THIS MATERIAL CORRESPONDS TO AN OLDER VERSION OF QUANTUM DOT LAB THAN CURRENTLY AVAILABLE ON nanoHUB.org.

    http://nanohub.org/resources/2846

  11. Finite Size Scaling and Quantum Criticality

    09 May 2007 | Online Presentations | Contributor(s): Sabre Kais

    The study of quantum phase transitions, which are driven by quantum fluctuations as a consequence of Heisenberg's uncertainty principle, continues to be of increasing interest in the fields...

    http://nanohub.org/resources/2663

  12. Quantum Dot - synthesis routes

    03 Apr 2007 | Downloads | Contributor(s): Saurabh Madaan

    A brief survey of synthesis routes of quantum dots, with more emphasis on epitaxial and colloidal approaches.

    http://nanohub.org/resources/2520

  13. Is Seeing Believing? How to Think Visually and Analyze with Both Your Eyes and Brain

    26 Mar 2007 | Online Presentations | Contributor(s): David Ebert

    This presentation will cover the basic techniques, and some of the available tools, for visualization, and will explain how to avoid miscommunicating information from visualizations.

    http://nanohub.org/resources/2512

  14. What Can the TEM Tell You About Your Nanomaterial?

    26 Feb 2007 | Online Presentations | Contributor(s): Eric Stach

    In this tutorial, I will present a brief overview of the ways that transmission electron microscopy can be used to characterize nanoscale materials. This tutorial will emphasize what TEM does...

    http://nanohub.org/resources/2359

  15. Atomistic Alloy Disorder in Nanostructures

    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...

    http://nanohub.org/resources/2350

  16. Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields

    08 Jan 2007 | Online Presentations | Contributor(s): Daniel Neuhauser

    As nanonphotonics and nanoelectronics are pushed down towards the molecular scale, interesting effects emerge. We discuss how birefringence (different propagation of two polarizations) is...

    http://nanohub.org/resources/2256

  17. Nanoparticles in Biology and Materials: Engineering the Interface through Synthesis

    29 Jan 2007 | Online Presentations | Contributor(s): Vincent Rotello

    Monolayer-protected nanoparticles provide versatile tools for nanotechnology. In our research, we use these nanoparticles as building blocks for the creation of functional magnetic and...

    http://nanohub.org/resources/2312

  18. Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing

    21 Nov 2006 | Online Presentations | Contributor(s): Charles L. Geraci

    Nanotechnology and Occupational Safety and Health: What are the Issues, What do we know, and What is NIOSH Doing

    http://nanohub.org/resources/2008

  19. NEMO 3D: Intel optimizations and Multiple Quantum Dot Simulations

    03 Aug 2006 | Online Presentations | Contributor(s): Anish Dhanekula, Gerhard Klimeck

    NEMO-3D is a nanoelectronic modeling tool that analyzes the electronic structure of nanoscopic devices. Nanoelectronic devices such as Quantum Dots (QDs) can contain millions of atoms,. Therefore,...

    http://nanohub.org/resources/1673

  20. A MATLAB code for Hartree Fock calculation of H-H ground state bondlength and energy using STO-4G

    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...

    http://nanohub.org/resources/1718

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.