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Tags: tunneling

Resources (1-20 of 46)

  1. Tunneling Through Triangular Barrier: an Exercise for PCPBT

    23 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

    This exercise teaches the users that a very good result can be obtained when the triangular barrier is approximated with 11 segment piece-wise constant potential barrier...

    http://nanohub.org/resources/5102

  2. ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors

    16 Jul 2008 | Tools | Contributor(s): Xufeng Wang, Dragica Vasileska, Gerhard Klimeck

    One-stop-shop for teaching semiconductor device education

    http://nanohub.org/resources/abacus

  3. Additional Tutorials on Selected Topics in Nanotechnology

    29 Mar 2011 | Workshops | Contributor(s): Gerhard Klimeck, Umesh V. Waghmare, Timothy S Fisher, N. S. Vidhyadhiraja

    Select tutorials in nanotechnology, a part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up.

    http://nanohub.org/resources/11041

  4. Application of the Keldysh Formalism to Quantum Device Modeling and Analysis

    14 Jan 2008 | Publications | Contributor(s): Roger Lake

    The effect of inelastic scattering on quantum electron transport through layered semi-conductor structures is studied numerically using the approach based on the non-equilibrium Green's function...

    http://nanohub.org/resources/3833

  5. AQME - Advancing Quantum Mechanics for Engineers

    12 Aug 2008 | Tools | Contributor(s): Gerhard Klimeck, Xufeng Wang, Dragica Vasileska

    One-stop-shop for teaching quantum mechanics for engineers

    http://nanohub.org/resources/aqme

  6. Assembly for Nanotechnology Survey Courses

    05 Nov 2008 | Tools | Contributor(s): Gerhard Klimeck, Dragica Vasileska

    Educational Tools for Classroom and Homework use to introduce nanotechnology concepts

    http://nanohub.org/resources/antsy

  7. Computational Nanoscience, Lecture 26: Life Beyond DFT -- Computational Methods for Electron Correlations, Excitations, and Tunneling Transport

    16 May 2008 | Teaching Materials | Contributor(s): Jeffrey B. Neaton

    In this lecture, we provide a brief introduction to "beyond DFT" methods for studying excited state properties, optical properties, and transport properties. We discuss how the GW approximation...

    http://nanohub.org/resources/4574

  8. Electron-Phonon and Electron-Electron Interactions in Quantum Transport

    14 Jan 2008 | Publications | Contributor(s): Gerhard Klimeck

    The objective of this work is to shed light on electron transport through sub-micron semi-conductor structures, where electronic state quantization, electron-electron interactions and...

    http://nanohub.org/resources/3831

  9. Energies and Lifetimes with Complex-Scaling

    02 Apr 2012 | Tools | Contributor(s): Daniel Lee Whitenack, Adam Wasserman

    Calculate the resonance energies and lifetimes of a user-defined potential with a uniform complex-scaling transformation.

    http://nanohub.org/resources/cscale

  10. Finite Height Quantum Well: an Exercise for Band Structure

    31 Jan 2008 | Teaching Materials | Contributor(s): David K. Ferry

    Use the Resonant Tunneling Diodes simulation tool on nanoHUB to explore the effects of finite height quantum wells. Looking at a 2 barrier device, 300 K, no bias, other standard variables, and 3...

    http://nanohub.org/resources/3949

  11. First Principles Non-Equilibrium Green's Function Modeling of Vacum and Oxide Barrier Tunneling

    01 Dec 2008 | Publications | Contributor(s): Kirk H. Bevan

    Vacuum and oxide barrier electron tunneling phenomena have been studied at length for several decades. Yet with electron device barrier widths now commonly measured in atomic units, complex...

    http://nanohub.org/resources/5957

  12. Illinois ECE 598EP Lecture 12 - Hot Chips: Boundary Resistance and Thermometry

    17 Jul 2009 | Online Presentations | Contributor(s): Eric Pop, Omar N Sobh

    Boundary Resistance and Thermometry Topics: Summary of Boundary Resistance Acoustic vs. Diffuse Mismatch Model Band to Band Tunneling Conduction Thermionic and Field Emission(3D) ...

    http://nanohub.org/resources/7115

  13. Inelastic Transport in Carbon Nanotube Electronic and Optoelectronic Devices

    28 Jun 2013 | Publications | Contributor(s): Siyu Koswatta

    Discovered in the early 1990's, carbon nanotubes (CNTs) are found to have exceptional physical characteristics compared to conventional semiconductor materials, with much potential for devices...

    http://nanohub.org/resources/18707

  14. K-12: Introduction to Quantum Wells

    24 Nov 2008 | Teaching Materials | Contributor(s): David Beck, Mark M Budnik

    A lesson plan for a 20-30 minute exercise for 4th and 5th grade Gifted and Talented students to explore the concept of quantum wells. The objectives of the lesson are: * The students will be...

    http://nanohub.org/resources/5925

  15. Lecture 3A: Spin Transport

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To extend the model from Lectures 1 and 2 to include electron spin. Every electron is an elementary “magnet” with two states having opposite magnetic moments. Usually this has no...

    http://nanohub.org/resources/5269

  16. Lecture 3B: Spin Transport

    20 Aug 2008 | Online Presentations | Contributor(s): Supriyo Datta

    Objective: To extend the model from Lectures 1 and 2 to include electron spin. Every electron is an elementary “magnet” with two states having opposite magnetic moments. Usually this has no...

    http://nanohub.org/resources/5270

  17. Lecture 6: Graphene PN Junctions

    22 Sep 2009 | Online Presentations | Contributor(s): Mark Lundstrom

    Outline: Introduction Electron optics in graphene Transmission across NP junctions Conductance of PN and NN junctions Discussion Summary Network for Computational Nanotechnology, Intel...

    http://nanohub.org/resources/7423

  18. ME 597 Lecture 1: Review of Quantum Tunneling/Introduction to STM

    01 Sep 2010 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: Quantum Tunneling The STM – basic idea Recommended Reading: See References below. G. Binnig, H. Rohrer, Ch. Gerber, E. Weibel, “Tunneling through a controllable vacuum gap”,...

    http://nanohub.org/resources/9600

  19. ME 597 Lecture 3: Quantum Tunneling/The STM

    08 Oct 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: Quantum Tunneling The STM – basic idea Recommended Reading: See References below. G. Binnig, H. Rohrer, Ch. Gerber, E. Weibel, “Tunneling through a controllable vacuum gap”,...

    http://nanohub.org/resources/7563

  20. Nanoelectronic Modeling Lecture 12: Open 1D Systems - Transmission through Double Barrier Structures - Resonant Tunneling

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Dragica Vasileska

    This presentation shows that double barrier structures can show unity transmission for energies BELOW the barrier height, resulting in resonant tunneling. The resonance can be associated with a...

    http://nanohub.org/resources/8195

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