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You searched on: Topic Area: Characterization, Nanometrology, and Nanoscale Measurements Sorted by: title

Displaying records 121 to 130 of 132 records.
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121. Temperature-dependent mechanical-resonance frequencies and damping in ensembles of gallium nitride nanowires
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 10/22/2012
Authors: Kristine A Bertness, Norman A Sanford, J. R. Montague, H.S. Park, Victor M. Bright, C. T. Rogers
Abstract: We have measured singly clamped cantilever mechanical-resonances in ensembles of as-grown gallium nitridenanowires (GaN NWs), from 12 K to 320 K. Resonance frequencies are approximately linearly dependent on temperature near 300 K ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910038

122. The effect of systematic errors on the hybridization of optical critical dimension measurements
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 6/21/2015
Authors: Mark Alexander Henn, Richard M Silver, Nien F Zhang, Hui Zhou, Bryan M Barnes
Abstract: In hybrid metrology two or more measurements of the same measurand are combined to provide a more reliable result that ideally incorporates the individual strengths of each of the measurement methods. While these multiple measurements may come from d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918395

123. Three dimensional aspects of droplet coalescence during dropwise condensation on superhydrophobic surfaces
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 8/24/2011
Authors: Konrad Rykaczewski, John Henry j Scott, Sukumar Rajauria, W Robert Ashurst, Jeff Chinn, Amy Chinn, Wanda Jones
Abstract: We report formation of nano-to-microscale satellite droplets in the geometrical shadow of high contact angle primary drops during dropwise water condensation on a nanostructured superhydrophobic surface. The primary drops contribute to the heat tran ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908846

124. Three-dimensional Nanometrology with TSOM Optical Method
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 12/10/2011
Author: Ravikiran Attota
Abstract: Through-focus scanning optical microscopy (TSOM) is a new metrology method that achieves 3D nanoscale measurement sensitivity using conventional optical microscopes; measurement sensitivities are comparable to what is typical when using scatterometry ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910045

125. Through-focus Scanning and Scatterfield Optical Methods for Advanced Overlay Target Analysis
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 9/1/2008
Authors: Ravikiran Attota, Michael T. Stocker, Richard M Silver, Nathanael A Heckert, Hui Zhou, Richard J Kasica, Lei NMN Chen, Ronald G Dixson, Ndubuisi George Orji, Bryan M Barnes, Peter Lipscomb
Abstract: In this paper we present overlay measurement techniques that use small overlay targets for advanced semiconductor applications. We employ two different optical methods to measure overlay using modified conventional optical microscope platforms. They ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902294

126. Transmission Electron Diffraction from nanoparticles, nanowires and thin films in an SEM using conventional EBSD equipment
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 1/1/2010
Authors: Roy Howard Geiss, Robert R Keller, David Thomas Read
Abstract: We describe a new scanning electron microscope (SEM) method for obtaining and analyzing the crystallographic structure and orientation in nanoparticles and ultrathin films using conventional electron backscatter diffraction (EBSD) equipment.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905080

127. Tumor Necrosis Factor Interaction with Gold Nanoparticles
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 3/14/2012
Authors: De-Hao D. Tsai, Sherrie R. Elzey, Frank W DelRio, Robert I. MacCuspie, Suvajyoti S. Guha, Michael Russel Zachariah, Athena M Keene, Jeffrey D Clogston, Vincent A Hackley
Abstract: We report on a systematic investigation of molecular conjugation of tumor necrosis factor protein-α (TNF) onto gold nanoparticles (AuNPs) and the subsequent binding behavior to its antibody (anti-TNF). We employ a combination of physical and spe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909899

128. UV-induced photochemical transformations of citrate capped silver nanoparticle suspensions
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 9/14/2012
Authors: Justin M Gorham, Robert I. MacCuspie, Kate L Klein, D Howard Fairbrother, Richard D Holbrook
Abstract: Due to the increasing use of silver nanoparticles (AgNPs) in consumer products, it is essential to understand how variables, such as light exposure, may change the physical and chemical characteristics of AgNP suspensions. To this end, the effect o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911250

129. Ultrafast Photoinduced Carrier Dynamics of Organic Semiconductors Measured by Time-Resolved Terahertz Spectroscopy
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 4/28/2010
Authors: Okan Esenturk, Joseph S Melinger, Paul A. Lane, Edwin J Heilweil
Abstract: Intrinsic properties of organic semiconductors are investigated by Time-Resolved Terahertz Spectroscopy (TRTS) to assess their relative mobilities and efficiencies. Our results are well correlated with device measurements, and show the effectiveness ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902516

130. Ultrasonic Dispersion of Nanoparticles for Environmental, Health and Safety Assessment--Issues and Recommendations
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 11/30/2010
Authors: Julian S. Taurozzi, Vincent A Hackley, Mark R. Wiesner
Abstract: A common approach for the study of the environmental and biological interactions of nanomaterials relies on the ultrasonic disruption of powders to obtain nanoparticle suspensions. Yet, the widespread and inconsistent use of ultrasonic treatment acro ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905978



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