Tags: diffusion

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  1. Lecture 3: Resistance-Ballistic to Diffusive

    28 Jul 2011 | Online Presentations | Contributor(s): Mark Lundstrom

    The resistance of a ballistic conductor and concepts, such as the quantum contact resistance, are introduced and discussed. The results are then generalized to treat transport all the way from...

    http://nanohub.org/resources/11746

  2. Lecture 2: Quantum of Conductance: Resistance and uncertainty

    08 Sep 2010 | Online Presentations

    “Electronics from the Bottom Up” is an educational initiative designed to bring a new perspective to the field of nano device engineering. It is co-sponsored by the Intel Foundation and the...

    http://nanohub.org/resources/9650

  3. Nanotechnology Animation Gallery

    22 Apr 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

    Animations and visualization are generated with various nanoHUB.org tools to enable insight into nanotechnology and nanoscience. Click on image for detailed description and larger image download....

    http://nanohub.org/resources/8882

  4. Diffusion of holes and electrons

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

    Diffusion is a process of particles distributing themselves from regions of high- to low- concentrations. In semi-classical electronics these particles are the charge carriers (electrons and...

    http://nanohub.org/resources/8820

  5. Illinois ECE 440: Diffusion and Energy Band Diagram Homework

    28 Jan 2010 | Teaching Materials | Contributor(s): Mohamed Mohamed

    This homework covers Diffusion of Carriers, Built-in Fields and Metal semiconductor junctions.

    http://nanohub.org/resources/8264

  6. Lecture 9: Dynamic Properties

    05 Jan 2010 | Presentation Materials | Contributor(s): Ashlie Martini

    Topics: Time correlation functions Einstein relations Green-Kubo relations

    http://nanohub.org/resources/8124

  7. The Virtual Kinetics of Materials Laboratory

    12 Nov 2009 | Tools | Contributor(s): Alex Bartol, R. Edwin García, David R. Ely, Jon Guyer

    web interface to develop, modify, and execute FiPy, Gibbs, and other python-based applications

    http://nanohub.org/resources/vkmllive

  8. Illinois ECE 440 Solid State Electronic Devices, Lecture 16-17: Diffusion

    22 Oct 2009 | Online Presentations | Contributor(s): Eric Pop

    So far: • Energy bands, Doping, Fermi levels • Drift (~n*v), diffusion (~dn/dx) • Einstein relationship (D/μ = kT/q) • “Boring” semiconductor resistors (either n- or...

    http://nanohub.org/resources/7605

  9. Illinois ECE 440 Solid State Electronic Devices, Lecture 14-15: Diffusion with Recombination

    08 Oct 2009 | Online Presentations | Contributor(s): Eric Pop

    • Diffusion with recombination • The diffusion length (distance until they recombine) University of Illinois at Urbana-Champaign ECE 440: Solid State Electronic Devices

    http://nanohub.org/resources/7553

  10. Illinois ECE 440 Solid State Electronic Devices, Lecture 13: Diffusion

    02 Oct 2009 | Online Presentations | Contributor(s): Eric Pop

    ECE 440: Lecture 13 Diffusion Current University of Illinois at Urbana-Champaign ECE 440: Solid State Electronic Devices

    http://nanohub.org/resources/7502

  11. Drift Diffusion Lab: First-Time User Guide

    13 Jun 2009 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Benjamin P Haley

    This first-time user guide provides introductory material to Drift Diffusion Lab on nanoHUB. It includes a tour of the Rappture interface, which notes key inputs and typical outputs. It also...

    http://nanohub.org/resources/6902

  12. ECE 606 Lecture 17: Hall Effect, Diffusion

    24 Feb 2009 | Online Presentations | Contributor(s): Muhammad A. Alam

    Outline: Measurement of mobility Hall Effect for determining carrier concentration Physics of diffusion Conclusions R. F. Pierret, "Advanced Semiconductor Fundamentals", Modular Series...

    http://nanohub.org/resources/5815

  13. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 6: Diffusion in Solids

    26 Nov 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Diffusion in Solids ISSUES TO ADDRESS... How does diffusion occur? How can the rate of diffusion be predicted forsome simple cases? How does diffusion depend on structure and...

    http://nanohub.org/resources/5888

  14. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 4: Structures via Diffusion

    29 Sep 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Structures via Diffraction Goals Define basic ideas of diffraction (using x-ray, electrons, or neutrons, which, although they are particles, they can behave as waves) and show how to...

    http://nanohub.org/resources/5492

  15. Computational Nanoscience, Lecture 21: Quantum Monte Carlo, part II

    20 May 2008 | Teaching Materials | Contributor(s): Jeffrey C Grossman, Elif Ertekin

    This is our second lecture in a series on Quantum Monte Carlo methods. We describe the Diffusion Monte Carlo approach here, in which the approximation to the solution is not restricted by choice...

    http://nanohub.org/resources/4566

  16. MuGFET

    01 May 2008 | Tools | Contributor(s): SungGeun Kim, Gerhard Klimeck, Sriraman Damodaran, Benjamin P Haley

    Simulate the nanoscale multigate-FET structures (finFET and nanowire) using drift diffusion approaches

    http://nanohub.org/resources/NANOFINFET

  17. Nanotechnology Research Opportunities within the Forest Products Industry

    28 Apr 2008 | Online Presentations | Contributor(s): Robert J. Moon

    This talk will provide an overview of research opportunities within forest products industry. There will be a general description of the anatomical and chemical structure of wood, their...

    http://nanohub.org/resources/4448

  18. Lecture 20: Diffusion - Part2

    24 Apr 2008 | Online Presentations | Contributor(s): Paul R Selvin

    Diffusion and bacteria moving, power consumed by bacteria, Introduction to Reynolds number, Where Bacteria Live, How E. Coli move and swim,

    http://nanohub.org/resources/4416

  19. Lecture 17: Diffusion - Part 1

    16 Apr 2008 | Online Presentations | Contributor(s): Paul R Selvin

    Diffusion, Directed motors, Thermal motion, nerve synapse, Efficiency of Diffusion

    http://nanohub.org/resources/4349

  20. BJT Lab

    20 Mar 2008 | Tools | Contributor(s): Saumitra Raj Mehrotra, Abhijeet Paul, Gerhard Klimeck, Dragica Vasileska, Gloria Wahyu Budiman

    This tool simulates a Bipolar Junction Transistor (BJT) using a 2D mesh. Powered by PADRE.

    http://nanohub.org/resources/bjt