Illinois ECE 440 Solid State Electronic Devices, Lecture 4: Energy Bands, Carrier Statistics, Drift

19 Aug 2008 | Online Presentations | Contributor(s): Eric Pop

Energy Bands and Carriers Band gaps (lattice and temperature dependence) Band curvature Carrier effective mass University of Illinois at Urbana-Champaign ECE 440: Solid State Electronic Devices

https://nanohub.org/resources/5244

Illinois ECE 440 Solid State Electronic Devices, Lecture 2: Crystal Lattices

14 Aug 2008 | Online Presentations | Contributor(s): Eric Pop

Crystal Lattices: Periodic arrangement of atoms Repeated unit cells (solid-state) Stuffing atoms into unit cells Diamond (Si) and zinc blende (GaAs)crystal structures Crystal planes Calculating …

https://nanohub.org/resources/5227

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

18 Jun 2008 | 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/4743

Silicon Spintronics

04 Jun 2008 | Online Presentations | Contributor(s): Ian Appelbaum

"Electronics" uses our ability to control electrons with electric fields via interaction with their fundamental charge. Because we can manipulate the electric fields within semiconductors, they are …

https://nanohub.org/resources/4492

Nanoscale Opto Thermo Electric Energy Conversion Devices

28 May 2008 | Online Presentations | Contributor(s): Ali Shakouri

We review solid-state devices that allow direct conversion of heat into electricity. We describe fundamental and practical limits of conventional thermoelectric materials. Novel metal-semiconductor …

https://nanohub.org/resources/4665

Functionalized Nanomaterials at the Interface of Biology and Technology

24 Apr 2008 | Online Presentations | Contributor(s): Dean Ho, NCLT administator

Nanomaterials, such as block copolymeric membranes and nanodiamonds, can be engineered for a broad range of applications in energy and medicine. This presentation will highlight the relevance of …

https://nanohub.org/resources/3761

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

What Promises do Nanotubes and Nanowires Hold for Future Nanoelectronics Applications?

18 Feb 2008 | Online Presentations | Contributor(s): Joerg Appenzeller

Various low-dimensional materials are currently explored for future electronics applications. The common ground for all these structures is that the surface related impact can no longer be ignored …

https://nanohub.org/resources/4059

TCAD Revisited, 2007: An Engineer’s Point of View

19 Dec 2007 | Online Presentations | Contributor(s): Constantin Bulucea

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/3638

MCW07 Impact of Porphyrin Functional Groups on InAs Gas Sensors

05 Nov 2007 | Online Presentations | Contributor(s): Michael Garcia

Porphyrin molecules are often used for sensor engineering to improve sensitivity and selectivity to specific analytes. It is important to understand how the porphyrin HOMO-LUMO levels deplete …

https://nanohub.org/resources/3149

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