Find information on common issues.
Ask questions and find answers from other users.
Suggest a new site feature or improvement.
Check on status of your tickets.
What's the HUBbub? HUBzero technology for online research and teaching collaborations
21 Feb 2011 | | Contributor(s):: Michael McLennan
NCN, nanoHUB, HUBzero: cyberinfrastructure for nanotechnology
10 Feb 2011 | | Contributor(s):: Mark Lundstrom
Presentation made at the Workshop to Develop the Global Nanotechnology Network, Grenoble, France.
Quantum Dot Wave Function (Quantum Dot Lab)
02 Feb 2011 | | Contributor(s):: Gerhard Klimeck, David S. Ebert, Wei Qiao
Electron density of an artificial atom. The animation sequence shows various electronic states in an Indium Arsenide (InAs)/Gallium Arsenide (GaAs) self-assembled quantum dot.
Self-Assembled Quantum Dot Structure (pyramid)
02 Feb 2011 | | Contributor(s):: Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert
Pyramidal InAs Quantum dot. The quantum dot is 27 atomic monolayers wide at the base and 15 atomic monolayers tall.
The HUBzero Platform for Scientific Collaboration
31 Jan 2011 | | Contributor(s):: Michael McLennan
The framework that powers nanoHUB.org has been released as an open source package known as the HUBzero(r) Platform for Scientific Collaboration.
nanoHUB.org - Past, Present, Future...
31 Jan 2011 | | Contributor(s):: Mark Lundstrom
What's the HUBbub? - Panel Discussion
31 Jan 2011 | | Contributor(s):: Michael McLennan, Mark Lundstrom, Rudi Eigenmann
Cyber Infrastructure Days at Purdue University
31 Jan 2011 |
Purdue CI Days 2010 showcases technologies to enhance research, teaching and research funding. The program focus is on how just about any faculty member, research staffer, or graduate student can benefit from these technologies.
Quantum Dot Wave Function (still image)
31 Jan 2011 | | Contributor(s):: Gerhard Klimeck, David S. Ebert, Wei Qiao
Electron density of an artificial atom. The image shown displays the excited electron state in an Indium Arsenide (InAs) / Gallium Arsenide (GaAs) self-assembled quantum dot.
Self-Assembled Quantum Dot Wave Structure
31 Jan 2011 | | Contributor(s):: Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert
A 20nm wide and 5nm high dome shaped InAs quantum dot grown on GaAs and embedded in InAlAs is visualized.
Electron Density in a Nanowire
30 Jan 2011 | | Contributor(s):: Gerhard Klimeck, Saumitra Raj Mehrotra
Electron Density in a circular Silicon nanowire transistor.
Tunneling in an Nanometer-Scaled Transistor
25 Jan 2011 | | Contributor(s):: Gerhard Klimeck, Mathieu Luisier, Neerav Kharche, George A. Howlett, Insoo Woo, David Ebert
Electrons tunneling through the gate of an ultra-scaled transistor.
Computer in Science Engineering: featuring nanoHUB.org
22 Apr 2010 |
The current issue of Computing in Science and Engineering focuses on cyber-enabled nanotechnology, and nanoHUB.org is featured extensively throughout.
The Transparency Paradox: Computational Simulations as Learning Tools for Engineering Graduate Education
08 Apr 2010 | | Contributor(s):: Alejandra J. Magana, Sean Brophy,
Computational simulations have become a critical part of computational science, which is being described as the third leg in this century’s methodologies of science. Computational simulations have also become a critical element of learning experiences as they can provide engineering students...
Are Simulation Tools Developed and Used by Experts Appropriate Experimentation Tools for Educational Contexts?
Simulations and visualizations can lead to significant improvements in students'conceptual understanding. This increased understanding may be due to the formation of expert-like dynamic mental models. Laboratory simulations have been used in educational contexts forinquiry learning by allowing...
Professors' Instructional Approaches and Students' Perceptions of nanoHUB Simulations as Learning Tools.
Simulations can provide a critical element of learning experiences. Simulations are alsobecoming a critical part of computational science, which is being described as the thirdlegin this century's methodologies of science (Sabelli, et. al, 2005). Opportunities existto use the same simulation as...
Professor's and Student's Perceptions and Experiences of Computational Simulations as Learning Tools
04 Apr 2010 | | Contributor(s):: Alejandra J. Magana
Computational simulations are becoming a critical component of scientific and engineering research, and now are becoming an important component for learning. This dissertation provides findings from a multifaceted research study exploring the ways computational simulations have been perceived...
Nanoelectronic Modeling Lecture 22: NEMO1D - Motivation, History and Key Insights
07 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: From Quantum Mechanics and Atoms to Realistic Devices
25 Jan 2010 | | 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 Lecture 03: nanoHUB.org - Online Simulation and More
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.