Tags: Simulation

All Categories (161-180 of 209)

  1. 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.

  2. Carbon nanotube bandstructure

    22 Apr 2010 | | 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 molecules have novel properties that make them potentially useful in many nanotechnology...

  3. Threshold voltage in a nanowire MOSFET

    22 Apr 2010 | | 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 between the insulating layer (oxide) and the substrate (body) of the transistor. A MOSFET is said to be...

  4. Resonant Tunneling Diode operation

    22 Apr 2010 | | 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 fabricated using many different types of materials (such as III-V, type IV, II-VI semiconductors) and...

  5. Nanotechnology Animation Gallery

    22 Apr 2010 | | 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. Additional animations are also available Featured nanoHUB tools: Band Structure Lab. Carrier...

  6. Nanoelectronic Modeling Lecture 26: NEMO1D -

    09 Mar 2010 | | Contributor(s):: Gerhard Klimeck

    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...

  7. 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...

  8. Nanoelectronic Modeling Lecture 03: nanoHUB.org - Online Simulation and More

    25 Jan 2010 | | 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.

  9. Nanoelectronic Modeling Lecture 02: (NEMO) Motivation and Background

    25 Jan 2010 | | 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...

  10. N-N junction

    Closed | Responses: 0

    I am trying to simulate N-N junction the first with Nd=1018 and the second with Nd=1014.the doping graph has problem, the doping was 10^18 within the first region and was zero within...

    http://nanohub.org/answers/question/428

  11. ECE 656 Lecture 31: Monte Carlo Simulation

    01 Dec 2009 | | Contributor(s):: Mark Lundstrom

    Outline:IntroductionReview of carrier scatteringSimulating carrier trajectoriesFree flightCollisionUpdate after collisionPutting it all togetherSummary

  12. ECE 656 Lecture 30: Balance Equation Approach III

    01 Dec 2009 | | Contributor(s):: Mark Lundstrom

    OutlineCarrier Temperature and Heat FluxBalance equations in 3DHeterostructuresSummary

  13. Lecture 5: NEGF Simulation of Graphene Nanodevices

    23 Sep 2009 | | Contributor(s):: Supriyo Datta

  14. Could VEDA gives a animation of the movement of the all cantilever?

    Closed | Responses: 0

    VEDA gives the equation of the movement of the end of the cantilever y(xL,t) (where xL is the lentght of the cantilever). Could it be possible to have an animation (that the user could...

    http://nanohub.org/answers/question/328

  15. MOSFet Demonstration: MOSFET Device Simulation and Analysis

    11 Jun 2009 | | Contributor(s):: Gerhard Klimeck, Benjamin P Haley

    This video shows the simulation and analysis of a MOSFET device using the MOSFet tool. Several powerful analytic features of this tool are demonstrated.

  16. OMEN Nanowire Demonstration: Nanowire Simulation and Analysis

    11 Jun 2009 | | 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.

  17. NCN Nanomaterials: Simulation Tools for Education

    02 Jun 2009 |

  18. NCN Nanomaterials: Simulation Tools for Research

    02 Jun 2009 |

  19. Resonant Tunneling Diode Simulation with NEGF: First-Time User Guide

    01 Jun 2009 | | Contributor(s):: Samarth Agarwal, Gerhard Klimeck

    This first-time user guide for Resonant Tunneling Diode Simulation with NEGF provides some fundamental concepts regarding RTDs along with details on how device geometry and simulation parameters influence current and charge distribution inside the device.NCN@Purdue

  20. EPR - ESR

    14 Apr 2009 | | Contributor(s):: Baudilio Tejerina, Joshua Telser

    This program calculates the powder pattern EPR spectra of a 2-spin electronic system.