Worked Examples for Carrier Statistics (advanced)

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

Two worked out examples based on Fermi-Dirac Vs Maxwell-Boltzmann statistics and temperature effects are presented.

ABACUS: Test for BJT lab Tool

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

The objective of this test is to give an idea to a self-learning student 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 …

ABACUS: Test for Carrier Statistics Tool

10 Aug 2010 | Teaching Materials | 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 …

ABACUS: Test for Drift Diffusion Lab

12 Aug 2010 | Teaching Materials | 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 …

ABACUS: Test for MOSCAP Tool

16 Aug 2010 | Teaching Materials | 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 …

ABACUS: Test for MOSFET Tool

18 Oct 2010 | Teaching Materials | 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 …

BJT Lab - Amplifier

31 Jan 2011 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra

This real life problem designs and calculates the AC amplification ratio for a Common-Emitter configuration npn type BJT.

BJT Lab Worked Out Problem 1

01 Feb 2011 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra

This sample worked out problem analyzes the output characteristic curves of an npn BJT transistor and extracts the relevant parameters.

BJT Lab Worked Out Problem 2

02 Feb 2011 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra

This sample worked out problem simulated a pnp type BJT in Common Base configuration and calculates AC and DC amplification ratios.

BJT Lab: First-Time User Guide

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

This first-time user guide provides introductory material to BJT on nanoHUB. It includes a tour of the Rappture interface, which notes key inputs and typical outputs, and an introduction to the workings of NPN and PNP type BJT. We discuss the default simulation (what happens if you don't change …

Carrier Statistics - Temperature Effects

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

Silicon (Si), Germanium (Ge) and Gallium-Arsenide (GaAs) are commonly used materials for MOS Field Effect Transistor (MOSFET) fabrication. MOSFET structures are commonly doped to achieve the desired switching operation and doping is a critical parameter in MOSFET designing. The goal in this test is …

Carrier Statistics Lab: First-Time User Guide

09 Mar 2009 | Teaching Materials | Contributor(s): Abhijeet Paul, Gerhard Klimeck, Benjamin P Haley, Saumitra Raj Mehrotra

This first-time user guide is an introduction to the Carrier Statistics Lab . It provides basic definitions, guidance on how to run the tool, and suggested exercises to help users get accustomed to the idea of distribution functions as well as how these functions are used in determining the …

Carrier Statistics Tool Verification

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

This test verifies the Carrier Statistics Tool by comparing the numerically computed and analytically extracted, electron and hole carrier densities. The results are close within 2% of margin.

Drift Diffusion - Temperature Sensor

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

The fact that mobility of a semiconductor varies with temperature is used to design a temperature sensor in this test.

Drift Diffusion Lab Worked out problems (Diffusion)

16 Aug 2010 | Teaching Materials | 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.

Drift Diffusion Lab Worked out problems (Drift)

18 Aug 2010 | Teaching Materials | 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.

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 provides an introduction to concepts of drift and diffusion in a semiconductor. We discuss the default …

Homework Exercise on Bipolar Junction Transistors

30 Mar 2008 | Teaching Materials | 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 …

Homework Exercise on Drift & Diffusion in Bulk Semiconductors

30 Mar 2008 | Teaching Materials | 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

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

30 Mar 2008 | Teaching Materials | 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

Homework Exercise on Fermi-Dirac and Maxwell-Boltzmann Distributions

24 Jan 2008 | Teaching Materials | Contributor(s): Abhijeet Paul, Saumitra Raj Mehrotra, Gerhard Klimeck

The tutorial questions based on Carrier Statistics Lab v1.0 available online at Carrier Statistics Lab. Students are asked to explore the differences between Fermi-Dirac and Maxwell-Boltzmann distributions, compute electron and hole concentrations, study temperature dependences, and study …

MOSCAP CV profiling

05 Jan 2011 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra

This real life problem based on MOSCAP allows one to understand the usage of CV profiling of MOS type of devices.

MOSCAP Worked out problems (Basic)

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

A simple MOSCAP is analyzed under different operation modes namely: Accumulation, near threshold and Inversion.

MOSFET Lab - Scaling

02 Jan 2011 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck, Dragica Vasileska

The concept of device scaling and the need to control short channel effects is used in this real life problem

MOSFET Worked out problems 1

06 Dec 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

Short channel effects in a MOSFET due to channel length scaling are highlighted in this worked out problem.