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

Displaying records 121 to 130 of 220 records.
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121. Nanoparticle size and shape evaluation using the TSOM optical microscopy method
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 6/6/2010
Authors: Ravikiran Attota, Richard J Kasica, Lei Chen, Premsagar Purushotham Kavuri, Richard M Silver, Andras Vladar
Abstract: We present a novel optical TSOM (through-focus scanning optical microscopy - pronounced as 'tee-som') method that produces nanoscale dimensional measurement sensitivity using a conventional optical microscope. The TSOM method uses optical information ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905490

122. Nanoparticle size determination using optical microscopes
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 10/27/2014
Authors: Ravikiran Attota, Richard J Kasica, Premsagar Purushotham Kavuri, Hyeong Gon Kang, Lei Chen
Abstract: We present a simple method for size determination of nanoparticles using conventional optical microscopes. The method, called through-focus scanning optical microscopy (TSOM), makes use of the four-dimensional optical information collected at differe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914209

123. Nanoscale Measurements With the TSOM Optical Method
Series: OTHER
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 1/4/2010
Author: Ravikiran Attota
Abstract: A novel through-focus scanning optical microscope (TSOM - pronounced as 'tee-som') technique that produces nanometer dimensional measurement sensitivity using a conventional optical microscope by analyzing images obtained at different focus positions ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904673

124. Nanoscale Photoresponse in Blended Organic Photovoltaics
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 8/16/2009
Authors: Behrang H Hamadani, Suyong S. Jung, Nikolai B Zhitenev
Abstract: Organic solar cells, which have attracted considerable interest over the last few years as low-cost, simply-processed alternatives for harvesting the solar energy, have interesting nanoscale properties; a thorough understanding of which is currently ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902275

125. Nanoscale Reference Materials for Environmental, Health, and Safety Measurements: Needs, Gaps, and Opportunities
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 11/7/2012
Authors: Aleksandr B. Stefaniak, Vincent A Hackley, Gert Roebben, Kensei Ehara, Steve Hankin, Michael T Postek, Iseult Lynch, Wei-En Fu, Thomas P.J. Linsinger, Andreas Th?nemann
Abstract: There is a need to understand and manage potential risks posed to workers, the public, and the environment from exposure to engineered nanomaterials. In response, several organizations have developed lists of relevant nano-objects and of physico-che ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910519

126. Near-Field Asymmetries in Plasmonic Resonators
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 2/12/2015
Authors: Vladimir A Aksyuk, Basudev Lahiri, Glenn E Holland, Andrea Centrone
Abstract: Surface-enhanced infrared absorption (SEIRA) spectroscopy exploits the locally enhanced field surrounding plasmonic metamaterials to increase the sensitivity of infrared spectroscopy. Light polarization and incident angle are important factors for e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916365

127. New Insights into Subsurface Imaging of Carbon Nanotubes in Polymer Composites via Scanning Electron Microscopy
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 2/4/2015
Authors: Minhua Zhao, Bin Ming, Jae-Woo Kim, Luke J Gibbons, Xiaohong Gu, Tinh Nguyen, Cheol Park, Peter T Lillehei, John S Villarrubia, Andras Vladar, James Alexander Liddle
Abstract: Despite many studies of subsurface imaging of carbon nanotube (CNT)-polymer composites via scanning electron microscopy (SEM), significant controversy exists concerning the imaging depth and contrast mechanisms. We studied CNT-polyimide composites an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917530

128. Non-contact Conductance Measurement of Nanosize Objects using Reasonant Cavity
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 5/15/2014
Authors: Jan Obrzut, Nathan Daniel Orloff, Oleg A Kirillov
Abstract: A cavity perturbation method is used to determine conductance of small volume nano-carbon materials. These are the building blocks of nanostructured materials and devices, and therefore their electrical characteristics are important in the materials ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914908

129. O2 A-band line parameters to support atmospheric remote sensing. Part II: The rare isotopologues
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 7/21/2011
Authors: Joseph Terence Hodges, David A Long, Daniel K Havey, S. S. Yu, M Okumura, Charles E Miller
Abstract: Frequency-stabilized cavity ring-down spectroscopy (FS-CRDS) was employed to measure over 100 transitions in the R-branch of the b1Σg+←X3Σg-(0,0) band for the rare O2 isotopologues. The use of 17O- and 18O-enriched mixtures allowed fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907932

130. Optical microscope angular illumination analysis
Topic: Characterization, Nanometrology, and Nanoscale Measurements
Published: 3/7/2012
Author: Ravikiran Attota
Abstract: For high precision applications of optical microscopes, it is critical to achieve symmetrical angular illumination intensity at the sample plane, in addition to uniform spatial intensity achieved by Köhler illumination. In this paper, first we dem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910145



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