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Atomic Force Microscopy
Online Presentations | 01 Dec 2005 | Contributor(s):: Arvind Raman
Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the physics of the interaction forces between the nanoscale tip and sample, the dynamics of the...
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Quantum Chemistry Part II
Online Presentations | 08 Jul 2004 | Contributor(s):: George C. Schatz
This tutorial will provide an overview of electronic structure calculations from achemist's perspective. This will include a review of the basic electronic structuretheories.
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Notes on the Ballistic MOSFET
Papers | 08 Oct 2005 | Contributor(s):: Mark Lundstrom
When analyzing semiconductor devices, the traditional approach is to assume that carriers scatter frequently from ionized impurities, phonons, surface roughness, etc. so that the average distance between scattering events (the so-called mean-free-path, λ) is much shorter than the device. When...
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Field Regulation of Single Molecule Conductivity by a Charged Atom
Online Presentations | 29 Jul 2005 | Contributor(s):: Robert Wolkow
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...
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An Electrical Engineering Perspective on Molecular Electronics
Online Presentations | 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...
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Simple Theory of the Ballistic MOSFET
Online Presentations | 11 Oct 2005 | Contributor(s):: Mark Lundstrom
Silicon nanoelectronics has become silicon nanoelectronics, but we still analyze, design, and think about MOSFETs in more or less in the same way that we did 30 years ago. In this talk, I will describe a simple analysis of the ballistic MOSFET. No MOSFET is truly ballistic, but approaching this...
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Einstein/Bohr Debate and Quantum Computing
Online Presentations | 10 May 2005 | Contributor(s):: Karl Hess
This presentation deals with the Einstein/Bohr Debate and Quantum Computing.
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Semiconductor Interfaces at the Nanoscale
Online Presentations | 17 Oct 2005 | Contributor(s):: David Janes
The trend in downscaling of electronic devices and the need to add functionalities such as sensing and nonvolatile memory to existing circuitry dictate that new approaches be developed for device structures and fabrication technologies. Various device technologies are being investigated,...
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ECE 453 Lecture 31: Broadening
Online Presentations | 12 Nov 2004 | Contributor(s):: Supriyo Datta
Reference Chapter 8.1
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ECE 453 Lecture 32: Broadening and Lifetime
Online Presentations | 15 Nov 2004 | Contributor(s):: Supriyo Datta
Reference Chapter 8.1
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ECE 453 Lecture 33: Local Density of States
Online Presentations | 19 Nov 2004 | Contributor(s):: Supriyo Datta
Reference Chapter 8.2
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ECE 453 Lecture 36: Coherent Transport
Online Presentations | 01 Dec 2004 | Contributor(s):: Supriyo Datta
Reference Chapter 9.1
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PN Junction Theory and Modeling
Series | 14 Sep 2005 | Contributor(s):: Dragica Vasileska
This set of lecture notes is intended to help students learn the basics of PN junction theory and modeling.
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Basic Electronic Properties of DNA
Online Presentations | 28 Jul 2005 | Contributor(s):: M. P. Anantram
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DNA Charge Motion: Regimes and Behaviors
Online Presentations | 28 Jul 2005 | Contributor(s):: Mark Ratner
Because DNA is a quasi-one-dimensional species, and because each base is a pi-type chromphore, it was long ago suggested that DNA could conduct electricity. This has become a widely investigated area, and remains of interest for fundamental science and for applications. We will discuss a very...
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Electrical Conduction through dsDNA-Molecule with Nanoscale Break Junctions
Online Presentations | 28 Jul 2005 | Contributor(s):: Ajit Kumar Mahapatro, Kyung Jae Jeong, Sugata Bhattacharya, Gil Lee, David Janes
Measuring the electrical conductivity through a specific strand of DNA is of great interest to the nano-science and engineering community. This work focuses on the electrical conduction through 15 base-pair, double helix oligo-nucleotides with various sequences. The current-voltage...
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Measurement of Single Molecule Conductance using STM-Based Break Junctions
Online Presentations | 28 Jul 2005 | Contributor(s):: Nongjian Tao
We have measured single molecule conductance using a combined STM- and conducting AFM-based break junction method. The method works in aqueous solutions, which is suitable for biologically relevant molecules such as DNA and peptides, and also allows us to control electron transport through redox...
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Organic Electronics Part I: Chemical Modulation
Online Presentations | 27 Jul 2005 | Contributor(s):: Jiri Janata
Organic semiconductors (OS) have been in the center of attention in at least two areas: in chemical ,sensors and in molecular electronics. Although the chemistry and physics governing them is the same their performance characteristics are apparently measured on different scales. Electrochemical...
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Organic Electronics Part II: Electric Field Modulation
Online Presentations | 28 Jul 2005 | Contributor(s):: Jiri Janata
A solid state platform has been designed and fabricated that allows characterization of candidate organic semiconductor materials used in organic field-effect transistors (OFET). A systematic experimental protocol has been outlined that allows the separation of contribution of contact resistance...
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Probing Silicon-Based Molecular Electronics with Scanning Tunneling Microscopy
Online Presentations | 29 Jul 2005 | Contributor(s):: Mark Hersam
In recent years, substantial progress has occurred in the field of molecular electronics [1]. In this paper, charge transport through molecule-semiconductor junctions is probed with ultra-high vacuum (UHV) scanning tunneling microscopy (STM). The presence of the semiconductor band gap enables new...