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Lecture 3: Low Bias Transport in Graphene: An Introduction
18 Sep 2009 | | Contributor(s):: Mark Lundstrom
Outline:Introduction and ObjectivesTheoryExperimental approachResultsDiscussionSummaryLecture notes are available for this lecture.
ME 597/PHYS 570: Fundamentals of Atomic Force Microscopy (Fall 2009)
03 Sep 2009 | | Contributor(s):: Ron Reifenberger, Arvind Raman
A course for students interested in learning the fundamentals underlying Atomic Force Microscopy.
Experiment vs. Modelling: What's the problem?
10 Aug 2009 | | Contributor(s):: William L. Barnes
Progress in plasmonics has been greatly assisted by developments in experimental techniques and in numerical modelling. This talk will look at some of the difficulties that emerge when comparisons are made between experiment and theory. Through the use of four examples I will illustrate what some...
MCW07 Exploring Trends in Conductance for Well-Defined Single Molecule Circuits
out of 5 stars
04 Apr 2009 | | Contributor(s):: Mark S Hybertsen
In our recent research, we have been able to measure and characterize the impact of intrinsic molecular properties on the conductance of single molecule circuits formed with amine-gold linkages. In this talk, I will review the experiments and the physical picture of the junction based on the...
Quantitative, Kinetic Models of Cellular Circuits
04 Apr 2009 | | Contributor(s):: Michael R. Brent
Living cells contain complex, analog circuits that regulate the rate at which each gene produces its product. The kinetic properties of these circuits enable cells to respond to changes in their environments and thus to survive, reproduce, and compete. For decades, molecular biologists have been...
The Optical Freqency Comb: A Remarkable Tool for Metrology, Science and Medical Diagnostics
31 Dec 2008 | | Contributor(s):: John L. Hall
The Optical Frequency Comb concept and technology exploded in 1999-2000 from the synthesis of advances in independent fields of Laser Stabilization, UltraFast Lasers, and NonLinear Optical Fibers. The Comb was developed first as a method for optical frequency measurement, enabling a thousand-fold...
Gas Damping of Microcantilevers at Low Ambient Pressures
03 Nov 2008 | | Contributor(s):: Rahul Anil Bidkar
This seminar will present a theoretical model for predicting the gas damping of long, rectangular silicon microcantilevers, which are oscillating in an unbounded gaseous medium with the ambient pressures varying over 5 orders of magnitude (1000 > Kn > 0.03). The work is the result of a...
Some Important Aspects of the Chemistry of Nanomaterials
01 Jul 2008 | | Contributor(s):: C.N.R. Rao
Keynote address for the launch of the Center for Analytical Instrumentation Development.
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...
X-ray Photoelectron Spectroscopy (XPS) Tour
24 Jan 2008 | | Contributor(s):: Dmitry Zemlyanov
A guided tour, given by Dmitry Zemlyanov, of the X-ray Photoelectron Spectroscopy (XPS) lab located in the Birck Nanotechnology Center at Purdue University.
Nanometrology Room Design: The Performance and Characterization of the Kevin G. Hall Nanometrology Laboratory
22 Jan 2008 | | Contributor(s):: Ron Reifenberger
This seminar summarizes the capabilities of the high accuracy Kevin G. Hall Laboratory which is located in Purdue’s newly completed Birck Nanotechnology Center. The seminar is primarily intended for anyone interested in designing, building and characterizing a high accuracy room for nanoscience...
Kevin G. Hall Nanometrology Room Tour: Facility Design, Performance and Characterization
09 Jan 2008 | | Contributor(s):: Ron Reifenberger
A walk through tour given by Ron Reifenberger of the Kevin G. Hall Nanometrology room located in the Birck Nanotechnology Center at Purdue University.
SPMW Scanning Probe Acceleration Microscopy: Towards Real Time Reconstruction of Tip-Sample Forces in Tapping Mode AFM
05 Jan 2007 | | Contributor(s):: Tomasz Kowalewski
Tapping mode atomic force microscopy (TMAFM) in fluids has become an increasingly important technique, especially in studying biological samples under near physiological conditions. However, until recently the physics of tapping mode operation under fluids has not been well understood. The first...
Combining New Experimental and Informatic Tools for Protein Investigation and Engineering
09 Jan 2008 | | Contributor(s):: Alan Friedman
The stability and activity of proteins is dependent on both the correct functioning and placement of individual amino acids and their interactions. Great attention has been paid to critical individual residues (generally revealed by their location in the active site and their conservation among...
SPMW Single molecule recognition atomic force microscopy
05 Jan 2007 | | Contributor(s):: Peter Hinterdorfer
In molecular recognition force microscopy (MRFM), ligands are covalently attached to atomic force microscopy tips for the molecular recognition of their cognitive receptors on probe surfaces. A ligand-containing tip is approached towards the receptors on the probe surface, which possibly leads to...
SPMW Scanning Impedance Microscopy: probing local electronic structure and transport anomalies
05 Jan 2007 | | Contributor(s):: dawn bonnell
Multiple modulation SPM is a general term for a strategy that extracts information about a surface or nanostructure by combining various signals on samples and tips, using multiple frequencies to distinguish them and accessing multiple harmonics in detection. In addition to the usual conductance,...
An Experimentalists’ Perspective
19 Dec 2007 | | Contributor(s):: Arunava Majumdar
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
Amine Linked Single Molecule Circuits: Systematic Measurements & Understanding
02 Jul 2007 | | Contributor(s):: Mark S Hybertsen
Formation and function of well-defined linkages between organic molecules and metallic electrodes has been a key issue in the field of molecular electronics. We recently discovered that the conductance of single molecule junctions formed using gold-amine linkages can be measured reliably and...
SPMW The Nanomechanics of compositional mapping in amplitude modulation AFM
05 Jan 2007 | | Contributor(s):: Ricardo Garcia
Amplitude modulation atomic force microscopy (AM-AFM) has been very successful for imaging with high spatial resolution inorganic as well as soft materials such as polymers, living cells and single biomolecules in their natural environment . The ability of AM-AFM to separate topography from...
BNC Annual Research Symposium: Metrology and Nanomaterials Characterization
10 May 2007 | | Contributor(s):: Ron Reifenberger
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming year.