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BNC Annual Research Symposium: Nanoelectronics and Semiconductor Devices
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23 Apr 2007 | | 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 year.
BNC Annual Research Symposium: Nanoscale Energy Conversion
23 Apr 2007 | | Contributor(s):: Timothy S Fisher
Orientational Dependence of Friction in Polyethylene
16 Apr 2007 | | Contributor(s):: SeongJun Heo
The frictional properties of polyethylene polymer are investigated by using classical molecular dynamics simulations. Especially, the sliding orientational effect is considered in this study. The results of polyethylene are also compared to those of polytetrafluoroethylene(PTFE).
Planning for Disaster: Designing a Cleanroom to Minimize Risk Should a Disaster Occur
09 Apr 2007 | | Contributor(s):: John Weaver
The cleanliness levels of a cleanroom or other high-technology facility make it inherently vulnerable to a disaster such as a fire. Historically, even a small event of this type can cause significant downtime and cost millions of dollars in remediation. When designing a cleanroom, steps can be...
High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection
09 Apr 2007 | | 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 silicon. While silicon has proven to be an excellent material for many of these applications, no...
CMOS-Nano Hybrid Technology: a nanoFPGA-related study
04 Apr 2007 | | Contributor(s):: Wei Wang
Dr. Wei Wang received his PhD degree in 2002 from Concordia University, Montreal, QC, Canada, in Electrical and Computer Engineering. From 2002 to 2004, he was an assistant professor in the Department of Electrical and Computer Engineering, the University of Western Ontario, London, ON, Canada....
The Impact of Protein Flexibility on Ligand Binding to Proteins: A Computational Perspective
22 Mar 2007 | | Contributor(s):: Markus A. Lill
Nowadays, computer-aided drug discovery (CADD) concepts are routinely used in academia and industry for identifying and optimizing lead structures. While CADD techniques have been widely used to attain a qualitative understanding of ligand binding to proteins, a current challenge is to quantify...
Computer Simulation of Nanoparticles, Viruses, and Electrical Power-Generating Bacteria
20 Mar 2007 |
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. Multiscale techniques are used to obtain rigorous, coarse-grained equations for the migration and...
Antiestrogenic Conjugates as New Breast Cancer Chemoprevention Agents
08 Mar 2007 | | Contributor(s):: Ross Weatherman
Tamoxifen is the first drug specifically approved for the prevention of cancer and arguably the most successful anticancer drug of all time. Although millions of breast cancer patients have benefited from tamoxifen therapy, there are side effects that hinder the broad use of tamoxifen as a...
Introduction to X-ray Photoelectron Spectroscopy and XPS Application for Biologically Related Objects
14 Feb 2007 | | Contributor(s):: Dmitry Zemlyanov
X-ray Photoelectron Spectroscopy (XPS), which is known as Electron Spectroscopy for Chemical Analysis (ESCA), is a powerful research tool for the study of the surface of solids. The technique becomes widely used for studies of the properties of atoms, molecules, solids, and surfaces. The main...
Simple Harmonic Oscillator
15 Feb 2007 | | Contributor(s):: Heng Li
One of the most important model systems in quantum mechanics because a wide variaty of physical situations can be reduced to it either exactly or approximately. In particular, a system near an equilibrium configuration can often be described in terms of one or more harmonic oscillators....
Particle in a Box
The particle in a box (or the infinite potential well) is a simple idealized system that is completely solved within quantun mechanics. The infinite potential well is a finite sized region in space (the box) with an infinite potential at its boundaries ( the wells). A particle experiences no...
Dendrimer-Templated Catalyst for Controlled Growth of Single-Wall Carbon Nanotubes by Plasma-Enhanced CVD
20 Feb 2007 | | Contributor(s):: Placidus Amama
Carbon nanotubes (CNTs) are an important class of materials with several technological applications because they possess unparalleled properties in terms of ballistic electrical conductivity, thermal conductivity, tensile strength, and sensitivity to chemical and biological agents. To exploit...
SPMW Interplay between theory and experiment in AFM nanomechanical studies of polymers
30 Nov 2006 | | Contributor(s):: ,
High-resolution imaging of surfaces and compositional mapping of heterogeneous materials are the main functions of atomic force microscopy (AFM) in studies of polymer materials. Compositional mapping is mostly based on differences of mechanical properties of the sample components yet...
Perspectives on NanoScience and Engineering Education (NSEE)
09 Feb 2007 |
Building capacity in NSEE is the driving mission for the National Center for Learning and Teaching in Nanoscale Science and Engineering Education (NCLT). Robert Chang, the Director of NCLT, will discuss the urgency of improving science education in this country and present how NCLT is granted...
SPMW Nanotube, nanoneedle and nanomeniscus: mechanical and wetting properties of modified AFM tip apex
12 Dec 2006 |
Among AFM microscopes, Dynamic force microscopes (DFM) are very sensitive to variation of minute forces involved in the interaction between the tip and the surface. However, despite numerous efforts, imaging and probing mechanical properties of soft materials in air and water at the nm scale are...
SPMW Nanomechanics: from nanotechnology to biology
The development of new materials with size of few nanometers has opened a new field of scientific and technological research. The goal is to develop faster and better communication systems and transports, as well as smarter and smaller nanodevices for biomedical applications. To reach these...
SPMW Nonlinear dynamics in AFM - chaos and parametric resonance
05 Jan 2007 | | Contributor(s):: Arvind Raman
The field of nonlinear dynamics deals with mathematical techniques to study the nonlinear equations that serve as models of physical systems. The benefits of using nonlinear dynamics concepts to interpret and predict probe oscillations in dynamic AFM  are becoming increasingly clear....
Highly Efficient Thermal Transport: The Application of Carbon Nanotube Array Interfaces
01 Feb 2007 | | Contributor(s):: Baratunde A. Cola
Carbon nanotubes (CNTs) have received much attention in recent years for their extraordinary properties that through careful engineering may be leverage for the development of numerous advantageous applications. However, to date, only few CNT based applications exist in the market place. So when...
Surprises on the nanoscale: Plasmonic waves that travel backward and spin birefringence without magnetic fields
08 Jan 2007 |
As nanonphotonics and nanoelectronics are pushed down towards the molecular scale, interesting effects emerge. We discuss how birefringence (different propagation of two polarizations) is manifested and could be useful in the future for two systems: coherent plasmonic transport of near-field...