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Active Photonic Nanomaterials: From Random to Periodic Structures
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06 Feb 2006 | | Contributor(s):: Hui Cao
Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our recent research activities related to the fabrication of active photonic nanomaterials and the...
Optimization of Transistor Design for Carbon Nanotubes
20 Jan 2006 | | Contributor(s):: Jing Guo
We have developed a self-consistent atomistic simulator for CNTFETs.Using the simulator, we show that a recently reported high-performanceCNTFET delivers a near ballistic on-current. The off-state, however, issignificantly degraded because the CNTFET operates like anon-conventional Schottky...
A 3D Quantum Simulation of Silicon Nanowire Field-Effect Transistors
17 Jan 2006 | | Contributor(s):: Mincheol Shin
As the device size of the conventional planar metal oxide semiconductor field effect transistor(MOSFET) shrinks into the deep sub micron regime, the device performance significantly degradesmainly due to the short-channel effect. The silicon nanowire field-effect transistor (SNWFET) isconsidered...
How Can Your Educational Modules Contain Interactive Online Simulation?
28 Feb 2005 | | Contributor(s):: Gerhard Klimeck
The Network for Computational Nanotechnology (NCN) is a multi-university, NSF-funded initiative with a mission to lead in research, education, and outreach to students and professionals, while at the same time deploying a unique web-based cyber-infrastructure to serve the nation''s National...
Designing Nanocomposite Materials for Solid-State Energy Conversion
10 Nov 2005 | | Contributor(s)::
New materials will be necessary to break through today's performance envelopes for solid-state energy conversion devices ranging from LED-based solid-state white lamps to thermoelectric devices for solid-state refrigeration and electric power generation. The combination of recent materials...
Embedding science and technology education into students' lifestyles and technology choices
06 Dec 2005 | | Contributor(s):: Krishna Madhavan
Learning experiences of the future will be multi-sensory, engage technologies and significant computational power continuously and invisibly, and will be completely engaging. The emergence of highly cross-disciplinary fields like nanoscale science and technology, bioinformatics, and...
VolQD: Graphics Hardware Accelerated Interactive Visual Analytics of Multi-million Atom Nanoelectronics Simulations
13 Dec 2005 | | Contributor(s):: wei qiao
In this work we present a hardware-accelerated direct volume renderingsystem for visualizing multivariate wave functions in semiconductingquantum dot (QD) simulations. The simulation datacontains the probability density values of multiple electron orbitalsfor up to tens of millions of atoms,...
Translational Molecular Imaging
16 Aug 2005 | | Contributor(s)::
Ovarian Cancer: Progress and Challenge
Therapeutic Agent Delivery
Sex, Drugs and A.L.L.: How Current Clinical Biomarkers and Therapeutic Agents Point to Future Opportunities in Childhood Leukemia Research
Multianalyte Approaches to Cancer Diagnosis
Field Regulation of Single Molecule Conductivity by a Charged Atom
29 Jul 2005 | | Contributor(s)::
A new concept for a single molecule transistor is demonstrated. A single chargeable atom adjacent to a molecule shifts molecular energy levels into alignment with electrode levels, thereby gating current through the molecule. Seemingly paradoxically, the silicon substrate to which the molecule...
An Electrical Engineering Perspective on Molecular Electronics
26 Oct 2005 | | Contributor(s):: Mark Lundstrom
After forty years of advances in integrated circuit technology, microelectronics is undergoing a transformation to nanoelectronics. Modern day MOSFETs now have channel lengths that are less than 50 nm long, and billion transistor logic chips have arrived. Moore's Law continues, but the end of...
Wireless Integrated MicroSystems (WIMS): Coming Revolution in the Gathering of Information
01 Sep 2005 | | Contributor(s)::
Wireless integrated microsystems promise to become pervasive during the coming decade in applications ranging from health care and environmental monitoring to homeland security. Merging low-power embedded computing, wireless interfaces, and wafer-level packaging with microelectromechanical...
Laser Cooling of Solids
06 Oct 2005 | | Contributor(s)::
Enhanced laser cooling of ion doped nanocrystalline powders (e.g., Yb3+: Y2O3) can be achieved by enhancing the anti-Stokes, off-resonance absorption, which is proportional to the three design-controlled factors, namely, dopant concentration, pumping field energy, and anti-Stokes transition...
Nanostructure Engineered Sensors for Gas Detection in Space and Terrestrial Applications
28 Jul 2005 | | Contributor(s)::
A nanosensor technology has been developed using single walled carbon nanotubes (SWNTs) on a pair of interdigitated electrodes (IDE) processed with a silicon-based microfabrication and micromachining technique. These sensors have been exposed to nitrogen dioxide, methane, acetone, benzene,...
Towards Molecular Electronic Circuitry: Selective Deposition of Metals on Patterned ...
We have developed a robust method by which to construct complex two- and three- dimensional structures based on controlling interfacial chemistry. This work has important applications in molecular/organic electronics, sensing, and other technologies. Our method is extensible to many different...
Top-Metal/Molecular Monolayer Interactions and Final Device Performance
28 Jul 2005 | | Contributor(s):: Curt A Richter
The top-metal/molecular-monolayer interface is of critical importance in the formation of molecular electronic (ME) devices and test structures. I will discuss two experimental studies of ME devices in which the final device performance can be attributed to top-metal/molecule interactions:...