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 …

https://nanohub.org/resources/5210

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 which …

https://nanohub.org/resources/5211

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 which …

https://nanohub.org/resources/5248

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 numbers …

https://nanohub.org/resources/5263

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 numbers …

https://nanohub.org/resources/5268

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 major …

https://nanohub.org/resources/5269

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 major …

https://nanohub.org/resources/5270

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

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

https://nanohub.org/resources/abacus

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

https://nanohub.org/resources/pcpbt

Nano Carbon: From ballistic transistors to atomic drumheads

14 May 2008 | Online Presentations | Contributor(s): Paul L. McEuen

Carbon takes many forms, from precious diamonds to lowly graphite. Surprisingly, it is the latter that is the most prized by nano physicists. Graphene, a single layer of graphite, can serve as an …

https://nanohub.org/resources/4398

Matdcal

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

Non-equilibrium Green's Function Density Functional Theory Simulator

https://nanohub.org/resources/Matdcal

Introduction to Coulomb Blockade Lab

31 Mar 2008 | Teaching Materials | Contributor(s): Bhaskaran Muralidharan, Xufeng Wang, Gerhard Klimeck

The tutorial is based on the Coulomb Blockade Lab available online at Coulomb Blockade Lab. Students are introduced to the concepts of level broadening and charging energies in artificial atoms …

https://nanohub.org/resources/4231

Coulomb Blockade Simulation

05 Jul 2006 | Tools | Contributor(s): Xufeng Wang, Bhaskaran Muralidharan, Gerhard Klimeck

Simulate Coulomb Blockade through Many-Body Calculations in a single and double quantum dot system

https://nanohub.org/resources/coulombsim

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 A Quantum Open Systems Approach to Molecular-Scale Devices

25 Feb 2008 | Online Presentations | Contributor(s): Yongqiang Xue

Experimental advances in electrically and optically probing individual molecules have provided new insights into the behavior of single quantum objects and their interaction with the nanoenvironments …

https://nanohub.org/resources/3090

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