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1D Heterostructure Tool
04 Aug 2008 | Tools | Contributor(s): Arun Goud Akkala, Sebastian Steiger, Jean Michel D Sellier, Sunhee Lee, Michael Povolotskyi, Tillmann Christoph Kubis, Hong-Hyun Park, Samarth Agarwal, Gerhard Klimeck, James Fonseca, Archana Tankasala
Poisson-Schrödinger Solver for 1D Heterostructures
http://nanohub.org/resources/1dhetero
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ABACUS Exercise: Bandstructure – Kronig-Penney Model and Tight-Binding Exercise
20 Jul 2010 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
The objective of this exercise is to start with the simple Kronig-Penney model and understand formations of bands and gaps in the dispersion relation that describes the motion of carriers in 1D...
http://nanohub.org/resources/9372
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Atomistic Electronic Structure Calculations of Unstrained Alloyed Systems Consisting of a Million Atoms
14 Jan 2008 | Papers | Contributor(s): Gerhard Klimeck, Timothy Boykin
The broadening of the conduction and valence band edges due to compositional disorder in alloyed materials of finite extent is studied using an s p3 s ∗ tight binding model. Two sources of...
http://nanohub.org/resources/3821
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Band Structure Lab Demonstration: Bulk Strain
12 Jun 2009 | Animations | Contributor(s): Gerhard Klimeck
This video shows an electronic structure calculation of bulk Si using Band Structure Lab. Several powerful features of this tool are demonstrated.
http://nanohub.org/resources/6815
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Carbon nanotube bandstructure
22 Apr 2010 | Animations | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck
Carbon nanotubes are allotropes of carbon with a cylindrical nanostructure, and can be categorized into single-walled nanotubes (SWNT) and multi-walled nanotubes (MWNT). These cylindrical carbon ...
http://nanohub.org/resources/8807
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CGTB
15 Jun 2006 | Tools | Contributor(s): Gang Li, Yang Xu, Narayan Aluru
Compute the charge density distribution and potential variation inside a MOS structure by using a coarse-grained tight binding model
http://nanohub.org/resources/cgtb
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Computational Nanoscience, Lecture 17: Tight-Binding, and Moving Towards Density Functional Theory
21 Mar 2008 | Teaching Materials | Contributor(s): Elif Ertekin, Jeffrey C Grossman
The purpose of this lecture is to illustrate the application of the Tight-Binding method to a simple system and then to introduce the concept of Density Functional Theory. The motivation to...
http://nanohub.org/resources/4164
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Development of a Nanoelectronic 3-D (NEMO 3-D ) Simulator for Multimillion Atom Simulations and Its Application to Alloyed Quantum Dots
14 Jan 2008 | Papers | Contributor(s): Gerhard Klimeck, Timothy Boykin
Material layers with a thickness of a few nanometers are common-place in today’s semiconductor
devices. Before long, device fabrication methods will reach a point at which the other two...
http://nanohub.org/resources/3819
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High Precision Quantum Control of Single Donor Spins in Silicon
14 Jan 2008 | Papers | Contributor(s): Rajib Rahman, marta prada, Gerhard Klimeck, Lloyd Hollenberg
The Stark shift of the hyperfine coupling constant is investigated for a P donor in Si far below the ionization regime in the presence of interfaces using tight-binding and band minima basis...
http://nanohub.org/resources/3829
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Lecture 2: Graphene Fundamentals
22 Sep 2009 | Online Presentations | Contributor(s): Supriyo Datta
Network for Computational Nanotechnology,
Intel Foundation
http://nanohub.org/resources/7384
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Nanoelectronic Modeling Lecture 25b: NEMO1D - Hole Bandstructure in Quantum Wells and Hole Transport in RTDs
09 Mar 2010 | Online Presentations | Contributor(s): Gerhard Klimeck
Heterostructures such as resonant tunneling diodes, quantum well photodetectors and lasers, and cascade lasers break the symmetry of the crystalline lattice. Such break in lattice symmetry...
http://nanohub.org/resources/8595
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Nanoelectronic Modeling Lecture 28: Introduction to Quantum Dots and Modeling Needs/Requirements
20 Jul 2010 | Online Presentations | Contributor(s): Gerhard Klimeck
This presentation provides a very high level software overview of NEMO1D.
Learning Objectives:
This lecture provides a very high level overview of quantum dots. The main issues and...
http://nanohub.org/resources/8598
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Nanoelectronic Modeling Lecture 29: Introduction to the NEMO3D Tool
04 Aug 2010 | Online Presentations | Contributor(s): Gerhard Klimeck
This presentation provides a very high level software overview of NEMO3D. The items discussed are:
Modeling Agenda and Motivation
Tight-Binding Motivation and basic formula...
http://nanohub.org/resources/8599
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Nanoelectronic Modeling Lecture 32: Strain Layer Design through Quantum Dot TCAD
04 Aug 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Muhammad Usman
This presentation demonstrates the utilization of NEMO3D to understand complex experimental data of embedded InAs quantum dots that are selectively overgrown with a strain reducing InGaAs layer....
http://nanohub.org/resources/9272
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Nanoelectronic Modeling Lecture 40: Performance Limitations of Graphene Nanoribbon Tunneling FETS due to Line Edge Roughness
05 Aug 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Mathieu Luisier
This presentation the effects of line edge roughness on graphene nano ribbon (GNR) transitors..
Learning Objectives:
GNR TFET Simulation
pz Tight-Binding Orbital Model
3D...
http://nanohub.org/resources/9283
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OMEN Nanowire
02 Sep 2008 | Tools | Contributor(s): SungGeun Kim, Mathieu Luisier, Benjamin P Haley, Abhijeet Paul, Saumitra Raj Mehrotra, Gerhard Klimeck
Full-band 3D quantum transport simulation in nanowire structure
http://nanohub.org/resources/omenwire
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OMEN Nanowire Demonstration: Nanowire Simulation and Analysis
11 Jun 2009 | Animations | Contributor(s): Gerhard Klimeck, Benjamin P Haley
This video shows the simulation and analysis of a nanowire using OMEN Nanowire. Several powerful analytic features of this tool are demonstrated.
http://nanohub.org/resources/6833
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OMEN Nanowire Homework Problems
24 Jan 2011 | Teaching Materials | Contributor(s): SungGeun Kim
OMEN Nanowire homework problems: anyone who has gone through the first-time user guide of OMEN Nanowire and done the examples in the guide should be able to run simulations in these homework...
http://nanohub.org/resources/10512
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OMEN Nanowire: solve the challenge
05 Feb 2011 | Teaching Materials | Contributor(s): SungGeun Kim
This document includes a challenging problems for OMEN Nanowire users. It challenges users to establish a nanowire transistor structure such that it satisfy the ITRS 2010 requirements.
http://nanohub.org/resources/10764
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Quantum Dot Lab
12 Nov 2005 | Tools | Contributor(s): Prasad Sarangapani, Daniel F Mejia, Andrew Roché, Lars Bjaalie, Sebastian Steiger, David Ebert, Matteo Mannino, Hong-Hyun Park, Tillmann Christoph Kubis, James Fonseca, Michael Povolotskyi, Michael McLennan, Gerhard Klimeck
Compute the eigenstates of a particle in a box of various shapes including domes, pyramids and multilayer structures.
http://nanohub.org/resources/qdot
