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Tags: tunneling

Resources (21-40 of 46)

  1. 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

  2. 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

  3. Piece-Wise Constant Potential Barriers Tool Demonstration: Bandstructure Formation with Finite Superlattices

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

    This video shows the simulation and analysis of a systems with a series of potential barriers. Several powerful analytic features of Piece-wise Constant Potential Barrier Tool (PCPBT) are...

    http://nanohub.org/resources/6836

  4. 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

  5. Real space first-principles semiempirical pseudopotentials for Fe/MgO/Fe

    03 Dec 2008 | Downloads | Contributor(s): Kirk H. Bevan

    A set of semiempirical pseudopotentials for the atomistic modeling of Fe/MgO/Fe tunnel junctions. See the attached document for a full description of their derivation and the modeling...

    http://nanohub.org/resources/5997

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

    01 Dec 2008 | Papers | 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. Piece-Wise Constant Potential Barriers Tool

    30 Jun 2008 | Tools | Contributor(s): Xufeng Wang, Samarth Agarwal, Gerhard Klimeck, Dragica Vasileska, Mathieu Luisier, Jean Michel D Sellier

    Transmission and the reflection coefficient of a five, seven, nine, eleven and 2n-segment piece-wise constant potential energy profile

    http://nanohub.org/resources/pcpbt

  13. Spin Coupled Quantum Dots

    09 Jul 2008 | Tools | Contributor(s): John Shumway, Matthew Gilbert

    Path integral calculation of exchange coupling of spins in neighboring quantum dots.

    http://nanohub.org/resources/spincoupleddots

  14. 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

  15. Slides: WKB Approximation Applications

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

    www.eas.asu.edu/~vasileskNSF

    http://nanohub.org/resources/4988

  16. Quantum Mechanics: Tunneling

    08 Jul 2008 | Series | Contributor(s): Dragica Vasileska, Gerhard Klimeck

    In quantum mechanics, quantum tunnelling is a micro nanoscopic phenomenon in which a particle violates the principles of classical mechanics by penetrating a potential barrier or impedance higher...

    http://nanohub.org/resources/4945

  17. Reading Material: Tunneling

    08 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

    www.eas.asu.edu/~vasileskNSF

    http://nanohub.org/resources/4940

  18. 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

  19. Quantum and Semi-classical Electrostatics Simulation of SOI Trigates

    19 Feb 2008 | Tools | Contributor(s): Hyung-Seok Hahm, Andres Godoy

    Generate quantum/semi-classical electrostatic simulation results for a simple Trigate structure

    http://nanohub.org/resources/MCTrigate

  20. What Promises do Nanotubes and Nanowires Hold for Future Nanoelectronics Applications?

    18 Feb 2008 | Online Presentations | Contributor(s): Joerg Appenzeller

    Various low-dimensional materials are currently explored for future electronics applications. The common ground for all these structures is that the surface related impact can no longer be...

    http://nanohub.org/resources/4059

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