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Tags: simulation and modeling

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  1. Self-Assembled Quantum Dot Wave Structure

    31 Jan 2011 | Animations | 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.

    http://nanohub.org/resources/10689

  2. Electron Density in a Nanowire

    30 Jan 2011 | Animations | Contributor(s): Gerhard Klimeck, Saumitra Raj Mehrotra

    Electron Density in a circular Silicon nanowire transistor.

    http://nanohub.org/resources/10666

  3. Tunneling in an Nanometer-Scaled Transistor

    25 Jan 2011 | Animations | 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.

    http://nanohub.org/resources/10537

  4. Modeling the quantum dot growth in the continuum approximation

    12 Jan 2011 | Publications | Contributor(s): Peter Cendula

    Quantum dots can grow spontaneously during molecular beam epitaxy of two materials with different lattice parameters, Stranski-Krastanow growth mode. We study a mathematical model based on the...

    http://nanohub.org/resources/10365

  5. Nov 15 2010

    2010 Joint NNIN/C & NCN Fall Workshop: Building a Collaborative Framework for Nanoscale Simulations

    Nanoscience relies on intensive atomistic simulations that generate copious amounts of data. Since various ab-initio and empirical approaches exist in the field, there is a growing need to develop...

    http://nanohub.org/events/details/273

  6. Oct 31 2010

    2010 Joint NNIN/C & NCN Fall Workshop: Registration Deadline

    Nanoscience relies on intensive atomistic simulations that generate copious amounts of data. Since various ab-initio and empirical approaches exist in the field, there is a growing need to develop...

    http://nanohub.org/events/details/274

  7. Karim Ahmed Elgammal

    I am a Research Assistant from the Nano Science and Technology Research Center (Modeling and Simulation Research Group) at Nile University, Egypt. as well, I am enrolled as a full-time student in...

    http://nanohub.org/members/47839

  8. Does nanoHUB’s online tools system support python modules outside Rappture? (Particulary SciPy/NumPy)

    Open | Responses: 1

    I’m in the process of developing a tool in Python and I’m thinking of moving the project on to nanoHUB with Rappture, but my current code makes extensive use of http://nanohub.org/answers/question/602

  9. Solar Cells Operation and Modeling

    19 Jul 2010 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

    This set of slides decribes the basic principles of operation of various generations on solar cells with emphasis to single crystalline solar cells. Next, semiconductor equations that describe the...

    http://nanohub.org/resources/9328

  10. Ripples and Warping of Graphene: A Theoretical Study

    08 Jun 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    We use first-principles density functional theory based analysis to understand formation of ripples in graphene and related 2-D materials. For an infinite graphene, we show that ripples are linked...

    http://nanohub.org/resources/9010

  11. Sebastian Lee

    Sebastian Lee is an undergraduate student majoring in Industrial Engineering at Purdue University with a Specialization in Software Engineering. He is anticipated to graduate in May 2012 and plans...

    http://nanohub.org/members/44565

  12. Computer in Science Engineering: featuring nanoHUB.org

    22 Apr 2010 | Publications

    The current issue of Computing in Science and Engineering focuses on cyber-enabled nanotechnology, and nanoHUB.org is featured extensively throughout.

    http://nanohub.org/resources/8881

  13. 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

  14. Threshold voltage in a nanowire MOSFET

    22 Apr 2010 | Animations | Contributor(s): Saumitra Raj Mehrotra, SungGeun Kim, Gerhard Klimeck

    Threshold voltage in a metal oxide semiconductor field-effect transistor (better known as a MOSFET) is usually defined as the gate voltage at which an inversion layer forms at the interface...

    http://nanohub.org/resources/8803

  15. Resonant Tunneling Diode operation

    22 Apr 2010 | Animations | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

    A resonant tunneling diode (RTD) is a type of diode with a resonant tunneling structure that allows electrons to tunnel through various resonant states at certain energy levels. RTDs can be...

    http://nanohub.org/resources/8799

  16. Nanotechnology Animation Gallery

    22 Apr 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Gerhard Klimeck

    Animations and visualization are generated with various nanoHUB.org tools to enable insight into nanotechnology and nanoscience. Click on image for detailed description and larger image download....

    http://nanohub.org/resources/8882

  17. Comb Drive Levitation

    19 Jan 2010 | Tools | Contributor(s): Fengyuan (Thomas) Li, jason clark

    Model comb drive levitation effect with Schwarz-Christoffel based algorithm

    http://nanohub.org/resources/cdlev

  18. Semiconductor Device Theory Exercises

    30 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck, Mark Lundstrom

    This collection of problems should help the students to better understand Semiconductor Device Physics on a fundamental and more complex level. Crystal lattices and Miller indicies From 1...

    http://nanohub.org/resources/5170

  19. Learning Module: Atomic Picture of Plastic Deformation in Metals

    The main goal of this learning module is to introduce students to the atomic-level processes responsible for plastic deformation in crystalline metals and help them develop a more intuitive...

    http://nanohub.org/wiki/LearningModulePlasticityMD

  20. Nanoelectronic Modeling Lecture 22: NEMO1D - Motivation, History and Key Insights

    07 Feb 2010 | Online Presentations | 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...

    http://nanohub.org/resources/8389

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.