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Hierarchical Physical Models for Analysis of Electrostatic Nanoelectromechanical Systems (NEMS)
Online Presentations | 05 Jan 2006 | Contributor(s): Narayan Aluru
This talk will introduce hierarchical physical models and efficient computational techniques for coupled analysis of electrical, mechanical and van der Waals energy domains encountered in Nanoelectromechanical Systems (NEMS). Numerical results will be presented for several silicon...
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Nano-Scale Device Simulations Using PROPHET
Series | 20 Jan 2006 | Contributor(s): Yang Liu, Robert Dutton
These two lectures are aimed to give a practical guide to the use of a general device simulator (PROPHET) available on nanoHUB. PROPHET is a partial differential equation (PDE) solver that offers users the flexibility of integrating new models and equations for their nano-device simulations. The...
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A Primer on Semiconductor Device Simulation
Online Presentations | 23 Jan 2006 | Contributor(s): Mark Lundstrom
Computer simulation is now an essential tool for the research and development of semiconductor processes and devices, but to use a simulation tool intelligently, one must know what's "under the hood." This talk is a tutorial introduction designed for someone using semiconductor...
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Making the Tiniest and Fastest Transistor using Atomic Layer Deposition (ALD)
Online Presentations | 13 Feb 2006 | Contributor(s): peide ye
Atomic layer deposition (ALD) is an emerging nanotechnology enables the deposit of ultrathin films, one atomic layer by one atomic layer. ALD provides a powerful, new capability to grow or regrow nanoscale ultrathin films of metals, semiconductors and insulators. This presentation introduces ALD...
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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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Engineering Nanomedical Systems
Online Presentations | 06 Mar 2006 | Contributor(s): James Leary
This tutorial discusses general problems and approaches to the design of engineered nanomedical systems. One example given is the engineering design of programmable multilayered nanoparticles (PMNP) to control a multi-sequence process of targeting to rare cells in-vivo, re-targeting to...
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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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A Primer on Scanning Tunneling Microscopy (STM)
Online Presentations | 04 Apr 2006 | Contributor(s): Ron Reifenberger
Scanning Probe Microscopes and their remarkable ability to provide three-dimensional maps of surfaces at the nanometer length scale have arguably been the most important tool in establishing the world-wide emergence of Nanotechnology. In this talk, the fundamental ideas behind the first scanning...
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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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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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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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MATLAB DOs and DON'Ts
Online Presentations | 14 May 2006 | Contributor(s): Dmitri Nikonov
Matlab is widely used for simulations but is believed to be unsuitable for complex projects and to produce slow-running software tools. The presentation argues that blind copying of methods typical of C and Fortran is responsible for such inefficiencies; the presentation teaches avoidance of...
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Exploring Electron Transfer with Density Functional Theory
Online Presentations | 11 Jun 2006 | Contributor(s): Troy Van Voorhis
This talk will highlight several illustrative applications of constrained density functionaltheory (DFT) to electron transfer dynamics in electronic materials. The kinetics of thesereactions are commonly expressed in terms of well known Marcus parameters (drivingforce, reorganization energy and...
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What is "Nanofluidics"? or The Nano-izing of Fluid Mechanics
Online Presentations | 28 Jun 2006 | Contributor(s): Steve Wereley
Micro- and nanoscaled fluid mechanics are rapidly emerging as important supporting fields in biomedical technology, nanotechnology, etc., as well as being important fields of study in their own right. Despite the common use of these terms in the literature, the fluid behavior at these small...
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A Primer on Quantum Computing
Online Presentations | 18 Oct 2006 | Contributor(s): David D. Nolte
Quantum computers would represent an exponential increase in computing power...if they can be built. This tutorial describes the theoretical background to quantum computing, its potential for several specific applications, and the demanding challenges facing practical implementation. The field...
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Scientific Ethics and the Signs of Voodoo Science
Online Presentations | 18 Oct 2006 | Contributor(s): Andrew S. Hirsch
Until recently, the issue of research ethics had not been a subject of explicit discussion within the Physics community. Over the past ten years, however, documented cases of scientific fraud have brought this issue to center stage. We will explore, through case studies, some examples ranging...
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Potassium Channels: Conduction, Selectivity, Blockage, Inactivation, and Gating
Online Presentations | 03 Nov 2006 | Contributor(s): Benoit Roux, NCN at Northwestern University
The determination of the structure of the KcsA K+ channel fromStreptomyces lividan has made it possible to investigate the functionof a biological channel at the atomic level. Because of its structuralsimilarity with eukaryotic K-channels, investigations of KcsA areexpected to help understand a...
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Design in the Nanometer Regime: Process Variation
Online Presentations | 28 Nov 2006 | Contributor(s): Kaushik Roy
Scaling of technology over the last few decades has produced an exponential growth in computing power of integrated circuits and an unprecedented number of transistors integrated into a single. However, scaling is facing several problems — severe short channel effects, exponential increase in...
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Design of CMOS Circuits in the Nanometer Regime: Leakage Tolerance
Online Presentations | 28 Nov 2006 | Contributor(s): Kaushik Roy
The scaling of technology has produced exponential growth in transistor development and computing power in the last few decades, but scaling still presents several challenges. These two lectures will cover device aware CMOS design to address power, reliability, and process variations in scaled...
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CQT: Concepts of Quantum Transport
Courses | 30 Nov 2006 | Contributor(s): Supriyo Datta
Note: For an expanded version of these lectures see Datta's 2008 NCN@Purdue Summer School presentations on Nanoelectronics and the Meaning of Resistance. How does the resistance of a conductor change as we shrink its length all the way down to a few atoms? This is a question that...