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MSE 597GM Lecture 8: VKML Tutorial/Python Crash Course
26 Sep 2012 | | Contributor(s):: R. Edwin García
Mythbusting: Scientific Knowledge Transfer with nanoHUB.org
09 Jan 2017 | | Contributor(s):: Gerhard Klimeck
More than 1,400,000 users in 172 countries annually participate in nanoHUB.org, a science and engineering gateway providing the capability to perform online simulation resources through a web browser without the installation of any software. nanoHUB is an online meeting place for...
Nano-Plasmonic Bowtie Antenna Simulator
18 Mar 2008 | | Contributor(s):: Alexander S McLeod, Jeffrey B. Neaton, P. James Schuck, Eugene Song, Graham Chapman
A tool for simulating the near-field enhancement effects of nano-scale bowtie antennae.
23 Apr 2013 | | Contributor(s):: Prashant K Jain, Nahil Sobh, Jeremy Smith, AbderRahman N Sobh, Sarah White, Jacob Faucheaux, John Feser
Calculate scattering and absorption of light by targets with arbitrary geometries and complex refractive index.
13 Aug 2014 | | Contributor(s):: AbderRahman N Sobh, Sarah White, Jeremy Smith, Nahil Sobh, Prashant K Jain
Combines the Discrete Dipole Scattering (DDSCAT) tool with the DDAConvert tool for a single workflow for custom shapes.
Nanoelectronic Modeling Lecture 02: (NEMO) Motivation and Background
30 Dec 2009 | | Contributor(s):: Gerhard Klimeck, Dragica Vasileska
Fundamental device modeling on the nanometer scale must include effect of open systems, high bias, and an atomistic basis. The non-equilibrium Green Function Formalism (NEGF) can include all these components in a fundamentally sound approach and has been the basis for a few novel device...
Nanoelectronic Modeling Lecture 03: nanoHUB.org - Online Simulation and More
30 Dec 2009 | | Contributor(s):: Gerhard Klimeck
This presentation provides a brief overview of the nanoHUB capabilites, compares it to static web page delivery, highlights its technology basis, and provides a vision for future cyberinfrastructures in a system of federated HUBs powered by the HUBzero.org infrastructure.
Nanoelectronic Modeling Lecture 22: NEMO1D - Motivation, History and Key Insights
05 Feb 2010 | | Contributor(s):: Gerhard Klimeck
The primary objective of the NEMO-1D tool was the quantitative modeling of high performance Resonant Tunneling Diodes (RTDs). The software tool was intended for Engineers (concepts, fast turn-around, interactive) and Scientists (detailed device anaysis). Therefore various degrees of...
Nanoelectronic Modeling Lecture 25a: NEMO1D - Full Bandstructure Effects
02 Mar 2010 | | Contributor(s):: Gerhard Klimeck
(quantitative RTD modeling at room temperature)
Nanoelectronic Modeling Lecture 26: NEMO1D -
NEMO1D demonstrated the first industrial strength implementation of NEGF into a simulator that quantitatively simulated resonant tunneling diodes. The development of efficient algorithms that simulate scattering from polar optical phonons, acoustic phonons, alloy disorder, and interface roughness...
Nanoelectronic Modeling Lecture 31a: Long-Range Strain in InGaAs Quantum Dots
07 Jul 2010 | | Contributor(s):: Gerhard Klimeck
This presentation demonstrates the importance of long-range strain in quantum dotsNumerical analysis of the importance of the buffer around the central quantum dot - local band edges – vertical and horizontal extension of the bufferControlled overgrowth can tune the electron energies in the...
Nanoelectronic Modeling Lecture 32: Strain Layer Design through Quantum Dot TCAD
07 Jul 2010 | | 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. Different alloy concentrations of the strain layer tune the optical emission and absorption wavelength...
Nanoelectronic Modeling Lecture 33: Alloy Disorder in Bulk
07 Jul 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Chris Bowen
This presentation discusses disorder in AlGaAs unstrained systems in bulk. Bandstructure of an ideal simple unit cellWhat happens when there is disorder?Concept of a supercellBand folding in a supercellBand extraction from the concept of approximate bandstructureComparison of alloy disorder with...
Nanoelectronic Modeling Lecture 39: OMEN: Band-to-Band-Tunneling Transistors
08 Jul 2010 | | Contributor(s):: Gerhard Klimeck, Mathieu Luisier
This presentation discusses the motivation for band-to-band tunneling transistors to lower the power requirements of the next generation transistors. The capabilities of OMEN to model such complex devices on an atomistic representation is demonstrated.Learning Objectives:Band-To-Band Tunneling...
Nanoelectronic Modeling Lecture 40: Performance Limitations of Graphene Nanoribbon Tunneling FETS due to Line Edge Roughness
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 Schrödinger-Poisson Solver Device Simulation Structure Optimization (Doping, Lg, VDD) LER => Localized Band Gap States LER =>...
Nanoelectronic Modeling Lecture 41: Full-Band and Atomistic Simulation of Realistic 40nm InAs HEMT
08 Jul 2010 | | Contributor(s):: Gerhard Klimeck, Neerav Kharche, Neophytos Neophytou, Mathieu Luisier
This presentation demonstrates the OMEN capabilities to perform a multi-scale simulation of advanced InAs-based high mobility transistors.Learning Objectives:Quantum Transport Simulator Full-Band and Atomistic III-V HEMTs Performance Analysis Good Agreement with Experiment Some Open Issues...
NanoElectronic MOdeling: NEMO
out of 5 stars
20 Dec 2007 | | Contributor(s):: Gerhard Klimeck
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.Novel nanoelectronic devices such as quantum dots, nanowires, and ultra-scaled...
nanoHUB Used in Research: A One Developer/User View
18 Feb 2016 | | Contributor(s):: Dragica Vasileska
In this presentation I will give overview of selected nanoHUB tools and their potential for performing state- of-the-art research. The tools selected for this purpose include SCHRED, QuaMC2D, and OMEN nanowire/ NEMO5. ...
nanoHUB.org: Future Cyberinfrastructure Serving a Community of 60,000 Today
23 Apr 2008 | | Contributor(s):: George B. Adams III, Gerhard Klimeck, Mark Lundstrom, Michael McLennan
nanoHUB.org provides users with "fingertip access" to over 70 simulation tools for research and education. Users not only launch jobs that are executed on the state-of-the-art computational facilities of Open Science Grid and TeraGrid, but also interactively visualize and analyze the results—all...
nanoHUB: Cloud Scientific Computing in Materials Education and Research
22 Jan 2016 | | Contributor(s):: Alejandro Strachan
nanoHUB’s cyber-infrastructure empowers simulation tool developers to make their codes universally accessible and useful via cloud computing and empowers users who can run hundreds of tools using a web-browser or tablet, free of charge, and without the need to download or install any...