Teaching Materials (1-16 of 16)

1. Drift Diffusion Lab Worked out problems (Drift)

   Teaching Materials | 18 Aug 2010 | Contributor(s):: Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck

   This sample worked out problem illustrated the concept of mobility. Mobility values are computed for different material and doping levels.

2. Drift Diffusion Lab Worked out problems (Diffusion)

   Teaching Materials | 16 Aug 2010 | Contributor(s):: Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck

   A sample problem is worked out using Drift-Diffusion lab. The problem statement deals with the concept of diffusion in semiconductors.

3. ABACUS: Test for Drift Diffusion Lab

   Teaching Materials | 12 Aug 2010 | Contributor(s):: Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck

   The objective of this test is to give an idea to a self-learning students or to instructors in the case this test is used in a classroom the level of understanding of this topic when students have gone through the learning material, worked exercises and have completed the assignments and the...

4. Verification of the Validity of the Drift-Diffusion Lab Tool

   Teaching Materials | 11 Aug 2010 | Contributor(s):: Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck

   Drift-Diffusion Lab results are verified analytically. In the first test minority carrier concentration is computed in a semiconductor slab with constant carrier Generation rate (/cm3.s). In the second test bias is applied across a semiconductor slab and current is computed both analytically and...

5. Numerical solution of the Drift-Diffusion Equations for a diode

   Teaching Materials | 01 Jun 2010 | Contributor(s):: Dragica Vasileska

   This material describes the implementation and also gives the source code for the numerical solution of the Drift-Diffusion equations for a PN Diode. The code can be easily generalized for any 2D or 3D device.

6. Drift-Diffusion Modeling and Numerical Implementation Details

   Teaching Materials | 01 Jun 2010 | Contributor(s):: Dragica Vasileska

   This tutorial describes the constitutive equations for the drift-diffusion model and implementation details such as discretization and numerical solution of the algebraic equations that result from the finite difference discretization of the Poisson and the continuity...

7. Nanotechnology Animation Gallery

   Teaching Materials | 22 Apr 2010 | 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. Additional animations are also...

8. From Semi-Classical to Quantum Transport Modeling: Drift-Diffusion and Hydrodynamic Modeling

   Teaching Materials | 10 Aug 2009 | Contributor(s):: Dragica Vasileska

   This set of powerpoint slides series provides insight on what are the tools available for modeling devices that behave either classically or quantum-mechanically. An in-depth description is provided to the approaches with emphasis on the advantages and disadvantages of each approach. Conclusions...

9. MOSFet: First-Time User Guide

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

   This first-time user guide provides introductory material to MOSFet on nanoHUB. The introduction to MOSFETs and SOI-MOSFETs is followed by a tour of the Rappture interface, which notes key inputs and typical outputs. We discuss the default simulation (what happens if you don't change any inputs,...

10. PN Junction Lab: First-Time User Guide

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

    This first-time user guide provides introductory material to PN Junction Lab on nanoHUB. The introduction to PN junctions is followed by a tour of the Rappture interface, which notes key inputs and typical outputs. We discuss the default simulation (what happens if you don't change any inputs,...

11. How Quantum-Mechanical Space-Quantization is Implemented in Schred, Drift-Diffusion (SILVACO ATLAS) and Particle-Based Device Simulators (Quamc2D)

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    Teaching Materials | 27 Jul 2008 | Contributor(s):: Dragica Vasileska

    This brief presentation outlines how one can implement quantum-mechanical space quantization effects exactly (using Schred) and approximately in drift-diffusion (using SILVACO), as well as particle-based device simulators (using Quamc2D).

12. MuGFET: First-Time User Guide

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    Teaching Materials | 28 Apr 2008 | Contributor(s):: SungGeun Kim, Sriraman Damodaran, Benjamin P Haley, Gerhard Klimeck

    MuGFET is a simulation tool for nano-scale multi-gate FET structures.This document provides instructions on how to use MuGFET. MuGFET users can use also the PROPHET or the PADRE tool. Either of these provide self-consistent solutions to the Poisson and drift-diffusion equation.At the nanometer...

13. Homework Exercise on Drift & Diffusion in Bulk Semiconductors - considerations of lifetime

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    Teaching Materials | 30 Mar 2008 | Contributor(s):: Mark Lundstrom, Saumitra Raj Mehrotra

    The tutorial questions based on Drift Diffusion Lab v1.0 available online at Drift Diffusion Lab. Students are asked to explore the concepts of Drift, Diffusion, Quasi Fermi Levels, and response to light. Analytical derivations are requested and considerations of lifetime are considered.NCN@Purdue

14. Homework Exercise on Drift & Diffusion in Bulk Semiconductors

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    Teaching Materials | 30 Mar 2008 | Contributor(s):: Saumitra Raj Mehrotra, Gerhard Klimeck

    The tutorial questions based on Drift Diffusion Lab v1.0 available online at Drift Diffusion Lab. Students are asked to explore the concepts of Drift, Diffusion, Quasi Fermi Levels, and response to light.NCN@Purdue

15. Homework Exercise on Bipolar Junction Transistors

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    Teaching Materials | 30 Mar 2008 | Contributor(s):: Saumitra Raj Mehrotra, Muhammad A. Alam, Gerhard Klimeck

    The tutorial questions are based on the Bipolar Junction Transistor Lab v1.0 available online at Bipolar Junction Transistor Lab. Students are asked to find the emitter efficiency, the base transport factor, current gains, and the Early voltage. Also a qualitative discussion is...

16. Semiconductor Device Education Material

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    Teaching Materials | 28 Jan 2008 | Contributor(s):: Gerhard Klimeck

    This page has moved to "a Wiki page format" When we hear the words, semiconductor device, we may think first of the transistors in PCs or video game consoles, but transistors are the basic component in all of the electronic devices we use in our daily lives. Electronic systems are...