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Metamaterials, Part 3: Cloaking and Transformation Optics
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01 May 2008 | | Contributor(s):: Vladimir M. Shalaev
Part 3/3. Metamaterials are expected to open a gateway to unprecedented electromagnetic properties and functionality unattainable from naturally occurring materials, thus enabling a family of new “meta-devices”. In these three lectures, we review this new emerging field and significant progress...
Metamaterials: A New Paradigm of Physics and Engineering
Three part lecture on metamaterials. Metamaterials are expected to open a gateway to unprecedented electromagnetic properties and functionality unattainable from naturally occurring materials, thus enabling a family of new “meta-devices”. In these three lectures, we review this new emerging field...
Microphone Selection and Comparison: Hear the Difference
08 Aug 2006 | | Contributor(s):: Joseph M. Cychosz
Selecting a microphone can be a difficult task.For presentations, the quality is very much dependent upon the audio clarity and quality of the naration. For meetings, quality can be somewhat less. This presentation gives an audio comparison of the various options listed with our Microphone...
Microstructural Design of Electrically Active Materials and Devices Through Computational Modeling: The OOF Project
20 Jan 2009 | | Contributor(s):: R. Edwin Garcia
We present an overview of a public domain program, the Object Oriented Finite Element analysis (OOF), which predicts macroscopic behavior, starting from an image of the microstructure and ending with results from finite element calculations. The program reads an image (or a sequence of images)...
Modeling and Analysis of VLSI Interconnects
10 May 2007 | | Contributor(s):: Cheng-Kok Koh
With continual technology scaling, the accurate and efficient modeling and simulation of interconnect effects have become problems of central importance. In order to accurately model the distributive effects of interconnects, it is necessary to divide a long wire into several segments, with each...
Modeling and Simulation of Sub-Micron Thermal Transport
26 Sep 2005 | | Contributor(s):: Jayathi Murthy
In recent years, there has been increasing interest in understanding thermal phenomena at the sub-micron scale. Applications include the thermal performance of microelectronic devices, thermo-electric energy conversion, ultra-fast laser machining and many others. It is now accepted that Fourier's...
Modeling of Nanoscale Devices
19 Oct 2006 | | Contributor(s):: M. P. Anantram, Mark Lundstrom, Dmitri Nikonov
We aim to provide engineers with an introductionto the nonequilibriumGreen’s function (NEGF) approach, which is a powerful conceptual tool and a practical analysismethod to treat nanoscale electronic devices with quantum mechanicaland atomistic effects. We first review the basis for the...
Modern X-ray Scattering Methods for Nanoscale Materials Analysis
15 Oct 2008 | | Contributor(s):: Richard J. Matyi
Since its discovery by von Laue in 1912, X-ray diffraction has become an indispensable tool for structure determinations in the physical and biological sciences. X-rays are characterized by high energies and by wavelengths that are commensurate with nanometer-sized structures – unlike optical...
26 Jun 2007 | | Contributor(s):: David D. Nolte
While single-molecule detection through fluorescence has now become common-place, there has been no analogous single-molecule capability using direct detection approaches such as interferometry. This limitation is slowly yielding to high-speed interferoemtric detection that is pushing the...
Moore's Law Forever?
13 Jul 2005 | | Contributor(s):: Mark Lundstrom
This talk covers the big technological changes in the 20th and 21st century that were correctly predicted by Gordon Moore in 1965. Moore's Law states that the number of transistors on a silicon chip doubles every technology generation. In 1960s terms that meant every 12 months and currently this...
MPI for the Next Generation of Supercomputing
05 Dec 2008 | | Contributor(s):: Andrew Lumsdaine
Despite premature rumours of its demise, MPI continues to be the de facto standard for high-performance parallel computing. Nonetheless, supercomputing software and the high-end ecosystem continue to advance, creating challenges to several aspects of MPI. In this talk we will review the design...
08 Jun 2010 | | Contributor(s):: Dragica Vasileska
This set of slides describe the idea behind the multigrid method and its implementation.
Multiphase Gallium Nitride Nanowires and Nanocircuits
04 Feb 2008 | | Contributor(s):: Virginia M. Ayres
Catalyst-free vapor-solid nanowire growth, a newly described method for the production of nanowires compatible with a wide variety of semiconductor materials, has been used to produce novel multiphase zinc-blende/wurtzite gallium nitride nanowires. Orientation relation-ships within the multiphase...
Nano*High: Nature's Nasty Nanomachines: How Viruses Work, and How We Can Stop Them
25 Sep 2010 | | Contributor(s):: Carolyn R. Bertozzi
The birth and growth of nanotechnology is only a few decades old, whereas Nature has been building nano-machines for millennia. Viruses are marvels of natural nano-engineering, but can pose a problem for human health. To combat these nano-machines, scientists are turning to recent developments in...
Nano*High: X-rays, Lasers, and Molecular Movies
25 Sep 2010 | | Contributor(s):: Roger W. Falcone
X-ray imaging is an excellent method to make visible what would normally be invisible - who hasn't had an X-ray at the doctor or dentist's office before? At the Lawrence Berkeley National Lab, the Advanced Light Source is a gigantic X-ray imaging machine. Dr. Roger Falcone discusses X-ray...
Nano-Scale Device Simulations Using PROPHET
20 Jan 2006 | | Contributor(s):: Yang Liu, Robert Dutton
These two lectures are aimed to give a practical guide to the use of ageneral device simulator (PROPHET) available on nanoHUB. PROPHETis a partial differential equation (PDE) solver that offers usersthe flexibility of integrating new models and equations for theirnano-device simulations. The...
Nano-Scale Device Simulations Using PROPHET-Part I: Basics
Part I covers the basics of PROPHET,including the set-up of simulation structures and parameters based onpre-defined PDE systems.
Nano-Scale Device Simulations Using PROPHET-Part II: PDE Systems
Part II uses examples toillustrate how to build user-defined PDE systems in PROPHET.
Nanodevices: A Bottom-up View
13 Jun 2005 | | Contributor(s):: Supriyo Datta
It is common to differentiate between two ways of building a nanodevice: a top-down approach where we start from something big and chisel out what we want and a bottom-up approach where we start from something small like atoms or molecules and assemble what we want.
Nanoelectronic Modeling: Multimillion Atom Simulations, Transport, and HPC Scaling to 23,000 Processors
07 Mar 2008 | | 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 structures the behavior of carriers and their interaction with their environment need to be fundamentally...