Silicon Photonics: Opportunity Challenges and Recent Results

02 Nov 2007 | Online Presentations | Contributor(s): Mario Paniccia

The silicon chip has been the mainstay of the electronics industry for the last 40 years and has revolutionized the way the world operates. Today a silicon chip the size of a fingernail contains …

https://nanohub.org/resources/3488

Hexagonal Prism Blue Diode Laser Using Whispering Gallery Mode (WGM) Resonances

23 Oct 2007 | Online Presentations | Contributor(s): Sangho Kim

Semiconductor lasers have many important applications, including communication technologies, optical storage, printing, and molecular detection. The range of applications could be broadened …

https://nanohub.org/resources/3436

Introduction of MEMS Activity at Nano/Micro System Engineering Lab., Kyoto University

15 Sep 2007 | Online Presentations | Contributor(s): Osamu Tabata

We are aiming at the realization of microsystems and nanosystems with novel and unique functions by integrating functional elements in different domains such as mechanics, electronics, chemistry, …

https://nanohub.org/resources/3243

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

Electronics From the Bottom Up: top-down/bottom-up views of length

17 Aug 2007 | Online Presentations | Contributor(s): Muhammad A. Alam

When devices get small stochastic effects become important. Random dopant effects lead to uncertainties in a MOSFET’s threshold voltage and gate oxides breakdown is a random process. Even a …

https://nanohub.org/resources/2974

The Nano-MOSFET: A brief introduction

17 Aug 2007 | Online Presentations | Contributor(s): Mark Lundstrom

MOSFET channel lengths are now well below 100nm, and getting smaller, but MOSFETs are still modeled and understood much as they were 30 years ago. Seminal work in the 1960’s laid the …

https://nanohub.org/resources/2980

The Effect of Physical Geometry on the Frequency Response of Carbon Nanotube Field-Effect Transistors

03 Aug 2007 | Online Presentations | Contributor(s): Dave Lyzenga

In order for carbon nanotube (CNT) electrical devices to be fabricated, it is necessary to obtain modifiable operation characteristics. Developing parametric equations to achieve this controllability …

https://nanohub.org/resources/3044

Introduction to and Advances in Self-Healing Polymers

14 Jun 2007 | Online Presentations | Contributor(s): Gerald O. Wilson

The presenter briefly introduces the topic of Self-Healing Polymer research and continues to give a Survey of Ruthenium Metathesis Catalysts for Ring Opening Metathesis Polymerization-Based …

https://nanohub.org/resources/2808

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 between …

https://nanohub.org/resources/2748

Piezoelectric Transducers: Strain Sensing and Energy Harvesting (and Frequency Tuning)

15 Jun 2007 | Online Presentations | Contributor(s): Toshikazu Nishida

Acoustic pressure or mechanical force sensing via piezoelectric coupling is closely related to the harvesting of electrical energy from acoustical and mechanical energy sources. In this talk, …

https://nanohub.org/resources/2575

Dripping, Jetting, Drops and Wetting: the Magic of Microfluidics

13 Jun 2007 | Online Presentations | Contributor(s): David A. Weitz

This talk will discuss some of the new opportunities That arises by precisely controlling fluid flow and mixing using microfluidic devices. I describe studies to elucidate mechanisms of drop …

https://nanohub.org/resources/2764

SUGAR: the SPICE for MEMS

21 May 2007 | Online Presentations | Contributor(s): Jason Clark

In this seminar, I present some design, modeling, and simulation features of a computer aided engineering tool for microelectromechanical systems (MEMS) called SUGAR. For experimental verification, I …

https://nanohub.org/resources/2735

Solid-State Lighting: An Opportunity for Nanotechnologists to Address the Energy Challenge

25 Apr 2007 | Online Presentations | Contributor(s): Timothy D. Sands

More than one-fifth of the electrical power consumed in the U.S. is used for general illumination. Much of this energy is wasted to heat filaments in incandescent lamps, a century-old technology …

https://nanohub.org/resources/2647

BNC Annual Research Symposium: Nanoelectronics and Semiconductor Devices

23 Apr 2007 | Online Presentations | Contributor(s): David Janes

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/2632

High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection

09 Apr 2007 | Online Presentations | Contributor(s): Masa Rao

Traditionally, materials selection has been limited in high-aspect-ratio micromechanical applications, due primarily to the predominance of microfabrication processes and infrastructure dedicated to …

https://nanohub.org/resources/2590

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

Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields

08 Jan 2007 | Online Presentations | Contributor(s): Daniel Neuhauser

As nanonphotonics and nanoelectronics are pushed down towards the molecular scale, interesting effects emerge. We discuss how birefringence (different propagation of two polarizations) is …

https://nanohub.org/resources/2256

RF MEMS: Passive Components and Architectures

02 Jan 2007 | Online Presentations | Contributor(s): Dimitrios Peroulis

This seminar is an introduction to the MEMS technology as it applies to RF and Microwave systems. Besides discussing several key RF MEMS components (switches, varactors, inductors), reconfigurable …

https://nanohub.org/resources/2141

Design in the Nanometer Regime: Process Variation

28 Nov 2006 | Online Presentations | Contributor(s): Kaushik Roy

Scaling of technology over the last few decades has produced an exponential growth in computing power of integrated circuits and an unprecedented number of transistors integrated into a single. …

https://nanohub.org/resources/2018

Design of CMOS Circuits in the Nanometer Regime: Leakage Tolerance

28 Nov 2006 | Online Presentations | Contributor(s): Kaushik Roy

The scaling of technology has produced exponential growth in transistor development and computing power in the last few decades, but scaling still presents several challenges. These two lectures will …

https://nanohub.org/resources/2023