Tags: transport/quantum

Resources (21-40 of 57)

  1. Introduction: Nanoelectronics and the meaning of resistance

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

    This lecture provides a brief overview of the five-day short course whose purpose is to introduce a unified viewpoint for a wide variety of nanoscale electronic devices of great interest for all...

    http://nanohub.org/resources/5210

  2. Lecture 1A: What and where is the resistance?

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

    Objective: To introduce a simple quantitative model that highlights the essential parameters that determine electrical conduction: the density of states in the channel, D and the rates at...

    http://nanohub.org/resources/5211

  3. Lecture 1B: What and where is the resistance?

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

    Objective: To introduce a simple quantitative model that highlights the essential parameters that determine electrical conduction: the density of states in the channel, D and the rates at...

    http://nanohub.org/resources/5248

  4. Lecture 2A: Quantum Transport

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

    Objective: To extend the simple model from Lectures 1 into the full-fledged Non-equilibrium Green’s Function (NEGF) – Landauer model by introducing a spatial grid of N points and turning...

    http://nanohub.org/resources/5263

  5. Lecture 2B: Quantum Transport

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

    Objective: To extend the simple model from Lectures 1 into the full-fledged Non-equilibrium Green’s Function (NEGF) – Landauer model by introducing a spatial grid of N points and turning...

    http://nanohub.org/resources/5268

  6. 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

  7. 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

  8. Lecture 4B: Energy Exchange and Maxwell’s Demon

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

    Objective: To incorporate distributed energy exchange processes into the previous models from lectures 1 through 3 which are based on a “Landauer-like picture” where the Joule heating...

    http://nanohub.org/resources/5272

  9. Lecture 5A: Correlations and Entanglement

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

    Objective: To relate the one-electron picture used throughout these lectures to the more general but less tractable many-particle picture that underlies it. We introduce this new viewpoint using...

    http://nanohub.org/resources/5273

  10. Lecture 5B: Correlations and Entanglement

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

    Objective: To relate the one-electron picture used throughout these lectures to the more general but less tractable many-particle picture that underlies it. We introduce this new viewpoint using...

    http://nanohub.org/resources/5274

  11. Nanoelectronics and the Meaning of Resistance

    20 Aug 2008 | Courses | Contributor(s): Supriyo Datta

    The purpose of this series of lectures is to introduce the "bottom-up" approach to nanoelectronics using concrete examples. No prior knowledge of quantum mechanics or statistical mechanics is...

    http://nanohub.org/resources/5279

  12. 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

  13. 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

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

    14 Jan 2008 | Papers | 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

  15. Engineering at the nanometer scale: Is it a new material or a new device?

    06 Nov 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This seminar will overview NEMO 3D simulation capabilities and its deployment on the nanoHUB as well as an overview of the nanoHUB impact on the community.

    http://nanohub.org/resources/3504

  16. Quantum Ballistic Transport in Semiconductor Heterostructures

    27 Aug 2007 | Papers | Contributor(s): Michael McLennan

    The development of epitaxial growth techniques has sparked a growing interest in an entirely quantum mechanical description of carrier transport. Fabrication methods, such as molecular beam...

    http://nanohub.org/resources/3086

  17. Orbital Mediated Tunneling in a New Unimolecular Rectifier

    25 May 2007 | Online Presentations | Contributor(s): Robert Metzger, NCN SLC@Northwestern

    In 1997 we showed that hexadecylquinolinium tricyanoquinodimethanide is a unimolecular rectifier, by scanning tunneling microscopy and also as a Langmuir-Blodgett (LB) monolayer, sandwiched...

    http://nanohub.org/resources/2748

  18. Pan American Advanced Study Institute Lectures: Nanodevices and Maxwell’s Demon

    14 Jun 2007 | Online Presentations | Contributor(s): Supriyo Datta

    Pan American Advanced Study Institute (PASI) Lectures: Nanodevices and Maxwell's Demon This is a video taped set of two one-hour live lectures covering roughly the same material as Lectures...

    http://nanohub.org/resources/2758

  19. PASI Lecture: Nanodevices and Maxwell's Demon, Part 2

    14 Jun 2007 | Online Presentations | Contributor(s): Supriyo Datta

    Pan American Advanced Study Institute (PASI) Lectures. This is part 2 of a video taped set of two one-hour live lectures covering roughly the same material as Lectures 1-3 of Concepts of...

    http://nanohub.org/resources/2784

  20. PASI Lecture: Nanodevices and Maxwell's Demon, Part 1

    13 Jun 2007 | Online Presentations | Contributor(s): Supriyo Datta

    Pan American Advanced Study Institute (PASI) Lectures. This is part 1 of a video taped set of two one-hour live lectures covering roughly the same material as Lectures 1-3 of Concepts of...

    http://nanohub.org/resources/2783