Ionic Selectivity in Channels: complex biology created by the balance of simple physics

05 Jun 2008 | Online Presentations | Contributor(s): Bob Eisenberg

An important class of biological molecules—proteins called ionic channels—conduct ions (like Na+ , K+ , Ca2+ , and Cl− ) through a narrow tunnel of fixed charge (‘doping’). Ionic channels …

https://nanohub.org/resources/4726

BNC Annual Research Review: An Introduction to PRISM and MEMS Simulation

04 Jun 2008 | Online Presentations | Contributor(s): Jayathi Murthy

This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

https://nanohub.org/resources/4717

Finite Size Scaling and Quantum Criticality

02 Jan 2008 | Online Presentations | Contributor(s): Sabre Kais

In statistical mechanics, the finite size scaling method provides a systematic way to extrapolate information about criticality obtained from a finite system to the thermodynamic limit. For quantum …

https://nanohub.org/resources/3526

On the Rise of an Electronic Species: Thoughts on the Impending Singularity

29 Nov 2007 | Online Presentations | Contributor(s): Kerry Bernstein

The human brain is vastly more complex that our best supercomputers; yet it can be argued that both systems evolve towards common underlying solutions to fundamental compute problems. …

https://nanohub.org/resources/3595

Plastic Deformation at Micron and Submicron Scales

28 Nov 2007 | Online Presentations | Contributor(s): Marisol Koslowski

Most people experiences the way objects plastically deform on a macroscopic scale. From a car crash to the bending of a paper clip plastic deformation occurs in the form of a smooth flow as a …

https://nanohub.org/resources/3559

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

Microscale Ionic Wind for Local Cooling Enhancement

26 Oct 2007 | Online Presentations | Contributor(s): David B Go

As the electronics industry continues to develop small, highly functional, mobile devices, new methods of cooling are required to manage the thermal requirements of the not only the chip but …

https://nanohub.org/resources/3358

BNC Annual Research Symposium: Nanoscale Energy Conversion

23 Apr 2007 | Online Presentations | Contributor(s): Timothy S Fisher

This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

https://nanohub.org/resources/2636

Computer Simulation of Nanoparticles, Viruses, and Electrical Power-Generating Bacteria

20 Mar 2007 | Online Presentations | Contributor(s): Peter J. Ortoleva

Models of cells and nanometer-scale biosystems are presented that clarify their physico-chemical characteristics and allow for computer- aided design of therapeutic and nanotechnical devices. …

https://nanohub.org/resources/2485

Atomistic Alloy Disorder in Nanostructures

26 Feb 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and …

https://nanohub.org/resources/2350

Understanding Phonon Dynamics via 1D Atomic Chains

04 Apr 2006 | Online Presentations | Contributor(s): Timothy S Fisher

Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices. …

https://nanohub.org/resources/1186

First Principles-Based Modeling of materials: Towards Computational Materials Design

20 Apr 2006 | Online Presentations | Contributor(s): Alejandro Strachan

Molecular dynamics (MD) simulations with accurate, first principles-based interatomic potentials is a powerful tool to uncover and characterize the molecular-level mechanisms that govern the …

https://nanohub.org/resources/1239

The Long and Short of Pick-up Stick Transistors: A Promising Technology for Nano- and Macro-Electronics

11 Apr 2006 | Online Presentations | Contributor(s): Muhammad A. Alam

In recent years, there has been enormous interest in the emerging field of large-area macro-electronics, and fabricating thin-film transistors on flexible substrates. This talk will cover recent …

https://nanohub.org/resources/1214

Thermal Microsystems for On-Chip Thermal Engineering

04 Apr 2006 | Online Presentations | Contributor(s): Suresh V. Garimella

Electro-thermal co-design at the micro- and nano-scales is critical for achieving desired performance and reliability in microelectronic circuits. Emerging thermal microsystems technologies for …

https://nanohub.org/resources/1182

Irradiation and Nanomechanics of Multi-Walled Carbon Nanotubes

23 Mar 2006 | Online Presentations | Contributor(s): Sharon K. Pregler, Susan Sinnott

Irradiation of nanotube structures with electron and ion beams has been used to produce functionalized nanotubes and fundamentally new structures, including junctions. Here, we build on previous …

https://nanohub.org/resources/1114

Engineering the Fiber-Matrix Interface in Carbon Nanotube Composites

23 Mar 2006 | Online Presentations | Contributor(s): Sharon K. Pregler, Yanhong Hu, Susan Sinnott

Particle depositions on polymer and carbon substrates to induce surface chemical modification are a growing research topic in particle-surface interactions due to localized deposition energy and …

https://nanohub.org/resources/1113

Molecular Transport Structures: Elastic Scattering, Vibronic Effects and Beyond

13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner, Abraham Nitzan, Misha Galperin

Current experimental efforts are clarifying quite beautifully the nature of charge transport in so-called molecular junctions, in which a single molecule provides the channel for current flow between …

https://nanohub.org/resources/1018

Nano-Scale Device Simulations Using PROPHET-Part II: PDE Systems

20 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

Part II uses examples to illustrate how to build user-defined PDE systems in PROPHET.

https://nanohub.org/resources/975

Nano-Scale Device Simulations Using PROPHET-Part I: Basics

20 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

Part I covers the basics of PROPHET, including the set-up of simulation structures and parameters based on pre-defined PDE systems.

https://nanohub.org/resources/974

Nano-Scale Device Simulations Using PROPHET

20 Jan 2006 | Online Presentations | Contributor(s): Yang Liu, Robert Dutton

These two lectures are aimed to give a practical guide to the use of a general device simulator (PROPHET) available on nanoHUB. PROPHET is a partial differential equation (PDE) solver that offers …

https://nanohub.org/resources/973