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Tags: diffusion

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  1. BJT Lab

    06 Feb 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

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

    15 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

  3. David R. Ely

    http://nanohub.org/members/16130

  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. 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

  6. Drift-Diffusion Lab

    22 Jan 2008 | Tools | Contributor(s): Saumitra Raj Mehrotra, Abhijeet Paul, Gerhard Klimeck, Gloria Wahyu Budiman

    Simulate single semiconductor characteristics

    http://nanohub.org/resources/semi

  7. ECE 606 Lecture 10: Shockley, Reed, Hall and other Recombinations

    30 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

    http://nanohub.org/resources/15329

  8. ECE 606 Lecture 12: High Field, Mobility, Hall Effect, Diffusion

    10 Oct 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

    http://nanohub.org/resources/15394

  9. 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

  10. ECE 695A Lecture 11R: Review Questions

    08 Feb 2013 | Online Presentations | Contributor(s): Muhammad Alam

    Review Questions: Does Einstein relationship hold for activated diffusion? People argue that the forward dissociation and reverse passivation have similar activation barriers. Would you...

    http://nanohub.org/resources/16786

  11. 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

  12. 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

  13. 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

  14. 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

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

    28 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

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

    19 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

  17. Lecture 17: Diffusion - Part 1

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

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

    http://nanohub.org/resources/4349

  18. Lecture 20: Diffusion - Part2

    23 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 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

  20. 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

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.