Tags: diffusion

All Categories (1-20 of 42)

  1. 2-D Diffusion Game

    28 Sep 2015 | Tools | Contributor(s): Tam Mayeshiba

    Play a 2-D diffusion game

    http://nanohub.org/resources/diffusiongame2d

  2. 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

  3. 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

  4. David R. Ely

    http://nanohub.org/members/16130

  5. Diffusion Calculator: FCC Dilute Solutes

    25 Sep 2015 | Tools | Contributor(s): Henry Wu, DANE MORGAN

    This tool calculates the diffusivity of a dilute solute in an FCC lattice with the 5-frequency model.

    http://nanohub.org/resources/diffusionfcc

  6. Diffusion Calculator: HCP Dilute Solutes

    25 Sep 2015 | Tools | Contributor(s): Henry Wu, DANE MORGAN

    This tool calculates the diffusivity of a dilute solute in an HCP lattice with the 8-frequency model.

    http://nanohub.org/resources/diffusionhcp

  7. 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

  8. 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

  9. 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

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

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

    http://nanohub.org/resources/15329

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

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

    http://nanohub.org/resources/15394

  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. 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

  14. Grain Boundary Diffusion Calculator

    25 Sep 2015 | Tools

    Calculates the effective diffusivity in a grain boundary network with two types of randomly distributed grain boundaries.

    http://nanohub.org/resources/gbdiffusion

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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