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Understanding Phonon Dynamics via 1D Atomic Chains
Online Presentations | 04 Apr 2006 | Contributor(s):: Timothy S Fisher
Phonons are the principal carriers of thermal energy in semiconductors and insulators, and they serve a vital role in dissipating heat produced by scattered electrons in semiconductor devices. Despite the importance of phonons, rigorous understanding and inclusion of phonon dynamics in...
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Technique for High Spatial Resolution, Focused Electrical Stimulation for Electrically Excitable Tissue
Online Presentations | 08 Aug 2006 | Contributor(s):: Matteo Mannino
Cochlear implant devices have made use of electrode pulses as a method of nerve fiber stimulation since their early conception. Electrode stimulation is limiting in both quality and consistency, and a new method is required if significant improvements to implant devices are to be made. By using a...
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A MATLAB code for Hartree Fock calculation of H-H ground state bondlength and energy using STO-4G
Downloads | 08 Aug 2006 | Contributor(s):: Amritanshu Palaria
Hartree Fock (HF) theory is one of the basic theories underlying the current understanding of the electronic structure of materials. It is a simple non-relativistic treatment of many electron system that accounts for the antisymmetric (fermion) nature of electronic wavefunction but does not...
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Quantum Transport: Atom to Transistor (Spring 2004)
Courses | 23 May 2006 | Contributor(s):: Supriyo Datta
Spring 2004 Please Note: A newer version of this course is now available and we would greatly appreciate your feedback regarding the new format and contents. Course Information Website The development of "nanotechnology" has made it possible to engineer materials and devices...
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Nanotubes and Nanowires: One-dimensional Materials
Online Presentations | 17 Jul 2006 | Contributor(s):: Timothy D. Sands
What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the...
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How to Breezify Your Presentation and Publish it on the nanoHUB
Online Presentations | 09 Jul 2006 | Contributor(s):: Joseph M. Cychosz
This presentation gives a detailed overview of the process of creating an online presentation for the nanoHUB. It describes how to use Adobe-Macromedia's Breeze presentation tool in conjuction with Microsoft Powerpoint to create a narriated presentation, and how to upload it to the nanoHUB.
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Vector Free Energy Calculation with Adaptive Biasing Force
Online Presentations | 18 Jun 2006 | Contributor(s):: Eric F Darve
This presentation discusses recent numerical methods to calculate thefree energy as a function of a reaction coordinate for bio-molecules.Free energy is often called potential of mean force and represents theeffective potential experienced by a generalized coordinate for abio-molecular system....
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Molecular Dynamics Simulations with the Second-Generation Reactive Empirical Bond Order (REBO) Potential
Online Presentations | 02 Apr 2006 | Contributor(s):: Wen-Dung Hsu, Susan Sinnott
In this presentation, the molecular dynamics (MD) simulation will be introduced first. The applications of MD simulation, the procedure of MD simulation and some speed-up methods in MD simulation will be talked. Then the bond order potentials which are capable to predict bond breaking and new...
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Teaching approaches for including nanotechnology and other current topics in the undergraduate curriculum: Context, inquiry and authentic science practice
Online Presentations | 02 May 2006 | Contributor(s):: Gabriela C. Weaver
Topics in nanotechnology and nanoscience are unlikely to be found to any great extent in traditional instructional materials, including textbooks and laboratory manuals. While this may change in the future, it would be useful for today's undergraduate classroom to make use of teaching approaches...
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Switching Energy in CMOS Logic: How far are we from physical limit?
Online Presentations | 24 Apr 2006 | Contributor(s):: Saibal Mukhopadhyay
Aggressive scaling of CMOS devices in technology generation has resulted in exponential growth in device performance, integration density and computing power. However, the power dissipated by a silicon chip is also increasing in every generation and emerging as a major bottleneck to technology...
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Nanoscale Transistors: Advanced VLSI Devices (Introductory Lecture)
Online Presentations | 20 Apr 2006 | Contributor(s):: Mark Lundstrom
Welcome to the ECE 612 Introductory/Overview lecture. This course examines the device physics of advanced transistors and the process, device, circuit, and systems considerations that enter into the development of new integrated circuit technologies.
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Transforming Society through Emerging Technologies: The National Nanotechnology Initiative (NNI) at Five Years
Workshops | 19 Apr 2006
The future is filled with possibilities, and breakthrough sciences such as nanotechnology are moving us ever closer to the next scientific revolution. Purdue University is proud to facilitate such progress through the inaugural Discovery Lecture Series seminar, "Transforming Society through...
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The Long and Short of Pick-up Stick Transistors: A Promising Technology for Nano- and Macro-Electronics
Online Presentations | 11 Apr 2006 | Contributor(s):: Muhammad A. Alam
In recent years, there has been enormous interest in the emerging field of large-area macro-electronics, and fabricating thin-film transistors on flexible substrates. This talk will cover recent work in developing a comprehensive theoretical framework to describe the performance of these "pick-up...
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Thermal Microsystems for On-Chip Thermal Engineering
Online Presentations | 04 Apr 2006 | Contributor(s):: Suresh V. Garimella
Electro-thermal co-design at the micro- and nano-scales is critical for achieving desired performance and reliability in microelectronic circuits. Emerging thermal microsystems technologies for this application area are discussed, with specific examples including a novel micromechanical...
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Mark Ratner Interview on Nanotechnology
Online Presentations | 23 Mar 2006 | Contributor(s):: Mark Ratner, Krishna Madhavan
Nanotechnology interview with Krishna Madhavan.
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Creating Research Links between Science at the Nanoscale and Science Education
Online Presentations | 28 Feb 2006 | Contributor(s):: Nora H. Sabelli
This talk will address what is needed to reduce the gap between current science education and science education that incorporates the ideas in current nanoscience. The ability to manipulate matter at increasingly smaller scales of distance and time has blurred the boundaries between disciplines....
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Electron and Ion Microscopies as Characterization Tools for Nanoscience and Nanotechnology
Online Presentations | 27 Feb 2006 | Contributor(s):: Eric Stach
This tutorial presents a broad overview of the basic physical principles of techniques used in scanning electron microscopy (SEM), as well as their application to understanding processing/structure/property relationships in nanostructured materials. Special emphasis is placed on the capabilities...
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Launch of a Nanoscale Informal Science Education Network
Online Presentations | 21 Feb 2006 | Contributor(s):: larry bell
The Museum of Science, Boston, in partnership with the Science Museum of Minnesota and the Exploratorium in San Francisco, has been selected by the National Science Foundation (NSF) to form and lead a national Nanoscale Informal Science Education Network (NISE Network) comprised of multiple...
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A Gentle Introduction to Nanotechnology and Nanoscience
Online Presentations | 13 Feb 2006 | Contributor(s):: Mark Ratner
While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement involved in nanoscale research - what, why and how. Specific topics include assembly, properties,...
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Nano-Scale Device Simulations Using PROPHET-Lab Exercise 2
Teaching Materials | 08 Feb 2006 | Contributor(s):: Yang Liu
Companion exercises for "Nano-Scale Device Simulations Using PROPHET".