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Nanoelectronic Modeling Lecture 01: Overview
25 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck
The goal of this series of lectures is to explain the critical concepts in the understanding of the state-of-the-art modeling of nanoelectronic devices such as resonant tunneling diodes, quantum wells, quantum dots, nanowires, and ultra-scaled transistors. Three fundamental concepts critical to...
Nanoelectronic Modeling: From Quantum Mechanics and Atoms to Realistic Devices
25 Jan 2010 | Courses | Contributor(s): Gerhard Klimeck
Your Career Choices after Graduate School and The Most-Neglected Item in your Career Development (2015)
23 Oct 2009 | Online Presentations | Contributor(s): Gerhard Klimeck
What are your career choices after graduate school? Will you develop technology yourself? Will you work in a team? Will you guide people? Where will you work: in industry, research lab, or academia? Regardless where you work, there is generally one item that you are not being taught in graduate...
Advanced Portable Batch System (PBS)
02 Oct 2009 | Presentation Materials | Contributor(s): Xufeng Wang, Kaspar Haume, Gerhard Klimeck
This presentation is a following installment of "Basic Portable Batch System (PBS)" on nanohub.org. Here we discuss some advanced features of PBS and how to adapt them on Purdue's NCN owned clusters.
Basic Portable Batch System (PBS)
This presentation discusses the basics of Portable Batch System (PBS) and how to use it on Purdue's NCN system.
Tutorial for PADRE Based Simulation Tools
10 Aug 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This tutorial is intended for first time and medium level users of PADRE-based simulation modules installed on the nanohub. It gives clear overview on the capabilities of each tool with emphasis to most important effects occuring in nano-scale devices.
Comparison of PCPBT Lab and Periodic Potential Lab
10 Aug 2009 | Online Presentations | Contributor(s): Abhijeet Paul, Samarth Agarwal, Gerhard Klimeck, Junzhe Geng
This small presentation provides information about the comparison performed for quantum wells made of GaAs and InAs in two different tools. This has been done to benchmark the results from completely two different sets of tools and validate the obtained results. In this presentation we provide...
Exercise for MESFET: Simulation Exercise
03 Aug 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This simulation exercise is designed to illustrate the operation of a MESFET device for different doping of the active region.
Exercise for MESFET: Theoretical Exercises
These theoretical exercises should help the student in understanding the operation of a MESFET device.
Exercise for MOSFET Lab: DIBL Effect
In this exercise students are required to examine the drain induced barrier lowering (DIBL) effect in short channel MOSFET devices.
Exercise for MOS Capacitors: CV curves and interface and Oxide Charges
This exercise is designed to teach the students how the CV curves of an ideal MOS Capacitor change in the presence of oxide or interface charges.
BJT Lab: h-Parameters Calculation Exercise
07 Jul 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
In this exercise students are required to obtain the appropriate input and output parameters to extract the small signal h-parameters in common-base configuration. Afterwards they need to derive the h-parameters in common-emitter configuration in terms of the h-parameters in the common base...
PCPBT: Problem Assignment for Asymmetric Barriers
24 Jun 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This example demonstrates to the students that for non-symmetric barriers which arise due to the imperfection of the molecular beam epitaxy process there is a reduction in the transmission coefficient and therefore current.
BJT Lab: Theoretical Exercises
These two theoretical exercises are designed for the purpose of teaching the students the contribution of different current components for various modes of BJT transistor operation and also to understand how to examine and extract important BJT parameters from the device output characteristics.
PN Junction Lab Exercise: Short vs. Long Diode
This exercise examines the behavior of short vs. long diodes.
PN Junction Lab Exercise: Non-Idealities in a PN Diode
This exercise explores the behavior of a non-ideal diode in which the generation-recombination mechanisms in the depletion region, high levels of injection, and series resistance effects can significantly affect the diode behavior.
PCPBT Exercise - Symmetric Barriers
23 Jun 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise explores the nature of the quasi-bound states in a symmetric double barrier structure and how the broadening and the position of the quasi-bound states varies with the hidth and the height of the barriers.
Band Structure Lab: First-Time User Guide
15 Jun 2009 | Teaching Materials | Contributor(s): Abhijeet Paul, Benjamin P Haley, Gerhard Klimeck
This document provides useful information about Band Structure Lab. First-time users will find basic ideas about the physics behind the tool such as band formation, the Hamiltonian description, and other aspects. Additionally, we provide explanations of the input settings and the results of the...
Periodic Potential Lab: First-Time User Guide
07 Jun 2009 | Teaching Materials | Contributor(s): Abhijeet Paul, Benjamin P Haley, Gerhard Klimeck, SungGeun Kim, Lynn Zentner
This document provides guidance to first-time users of the Periodic Potential Lab tool. It offers basic information about solutions to the Schröedinger Equation in case of periodic potential in 1 dimension (1D). This document also contains suggested exercises to help users run the tool and...
Quantum Dot Lab Demonstration: Pyramidal Qdots
11 Jun 2009 | Animations | Contributor(s): Gerhard Klimeck, Benjamin P Haley
This video shows the simulation and analysis of a pyramid-shaped quantum dot using Quantum Dot Lab. Several powerful analytic features of this tool are demonstrated.
PN Junction Lab Demonstration: Asymmetric PN Junctions
This video shows the simulation and analysis of a several PN junctions using PN Junction Lab, which is powered by PADRE. Several powerful analytic features of this tool are demonstrated.
Periodic Potential Lab Demonstration: Standard Kroenig-Penney Model
This video shows the simulation of a 1D square well using the Periodic Potential Lab. The calculated output includes plots of the allowed energybands, a table of the band edges and band gaps, plots of reduced and expanded dispersion relations, and plots comparing the dispersion relations to...
Piece-Wise Constant Potential Barriers Tool Demonstration: Bandstructure Formation with Finite Superlattices
This video shows the simulation and analysis of a systems with a series of potential barriers. Several powerful analytic features of Piece-wise Constant Potential Barrier Tool (PCPBT) are demonstrated.
OMEN Nanowire Demonstration: Nanowire Simulation and Analysis
This video shows the simulation and analysis of a nanowire using OMEN Nanowire. Several powerful analytic features of this tool are demonstrated.
MOSFet Demonstration: MOSFET Device Simulation and Analysis
This video shows the simulation and analysis of a MOSFET device using the MOSFet tool. Several powerful analytic features of this tool are demonstrated.