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 associated …

https://nanohub.org/resources/5272

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 the …

https://nanohub.org/resources/5273

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 the …

https://nanohub.org/resources/5274

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 …

https://nanohub.org/resources/5279

Matdcal

30 Jan 2008 | Tools | Contributor(s): Kirk H. Bevan

Non-equilibrium Green's Function Density Functional Theory Simulator

https://nanohub.org/resources/Matdcal

Nanoelectronic Modeling: Multimillion Atom Simulations, Transport, and HPC Scaling to 23,000 Processors

07 Mar 2008 | Online Presentations | Contributor(s): Gerhard Klimeck

Future field effect transistors will be on the same length scales as “esoteric” devices such as quantum dots, nanowires, ultra-scaled quantum wells, and resonant tunneling diodes. In those …

https://nanohub.org/resources/3988

MCW07 Physics of Contact Induced Current Asymmetry in Transport Through Molecules

25 Feb 2008 | Online Presentations | Contributor(s): Bhaskaran Muralidharan, Owen D. Miller, Neeti Kapur, Avik Ghosh, Supriyo Datta

We first outline the qualitatively different physics involved in the charging-induced current asymmetries in molecular conductors operating in the strongly coupled (weakly interacting) …

https://nanohub.org/resources/3073

Exploring Physical and Chemical control of molecular conductance: A computational study

31 Jan 2008 | Online Presentations | Contributor(s): Barry D. Dunietz

…

https://nanohub.org/resources/3945

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 …

https://nanohub.org/resources/3833

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 electron-phonon …

https://nanohub.org/resources/3831

Can numerical “experiments” INSPIRE physical experiments?

20 Dec 2007 | Online Presentations | Contributor(s): Supriyo Datta

This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational …

https://nanohub.org/resources/3716

NanoElectronic MOdeling: NEMO

20 Dec 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational …

https://nanohub.org/resources/3707

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.

https://nanohub.org/resources/3504

MCW07 Modeling Molecule-Assisted Transport in Nanotransistors

06 Nov 2007 | Online Presentations | Contributor(s): Kamil Walczak

Molecular electronics faces many problems in practical device implementation, due to difficulties with fabrication and gate-ability. In these devices, molecules act as the main conducting channel. …

https://nanohub.org/resources/3074

MCW07 Simple Models for Molecular Transport Junctions

13 Sep 2007 | Online Presentations | Contributor(s): Misha Galperin, Abraham Nitzan, Mark A. Ratner

We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.

https://nanohub.org/resources/3072

MCW07 Modeling Charging-based Switching in Molecular Transport Junctions

23 Aug 2007 | Online Presentations | Contributor(s): Sina Yeganeh, Misha Galperin, Mark A. Ratner

We will discuss several proposed explanations for the switching and negative differential resistance behavior seen in some molecular junctions. It is shown that a proposed polaron model is …

https://nanohub.org/resources/3076

Introduction to FETToy

03 Jul 2007 | Learning Modules | Contributor(s): James K Fodor, Jing Guo

This learning module introduces nanoHUB users to the FETToy simulator. A brief introduction to FETToy is presented, followed by voiced presentations featuring the simulator in action. Upon …

https://nanohub.org/resources/2844

Introduction to nanoMOS

02 Jul 2007 | Learning Modules | Contributor(s): James K Fodor, Jing Guo

This learning module introduces nanoHUB users to the nanoMOS simulator. A brief introduction to nanoMOS is presented, followed by voiced presentations featuring the simulator in action. Upon …

https://nanohub.org/resources/2845

nanowireMG

18 May 2007 | Tools | Contributor(s): Mincheol Shin

3D Simulator for Silicon Nanowire Field Effect Transistors with Multiple Gates

https://nanohub.org/resources/mgnanowirefet

Atomistic Green's Function Method 1-D Atomic Chain Simulation

16 Apr 2007 | Tools | Contributor(s): Zhen Huang, Wei Zhang, Timothy S Fisher, Sridhar Sadasivam

Calculation of Thermal Conductance of an Atomic Chain

https://nanohub.org/resources/greentherm