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Search Publications

NIST Authors in Bold

Displaying 1101 - 1125 of 4258

Analysis of E3 Transitions in Ag-like High-Z Ions Observed with the NIST EBIT

March 1, 2023
Author(s)
Yuri Ralchenko, David La Mantia, Aung S. Naing, Paul Szypryt, Joseph N. Tan, Endre Takacs, Dipti Dipti, Yang Yang, Adam Hosier, Hunter Staiger
… an insight into the population kinematics for Ag-like ions of heavy elements. We discuss the observed spectra and … Analysis of E3 Transitions in Ag-like High-Z Ions Observed with the NIST EBIT …

Unusual Fragmentations of Silylated Polyfluoroalkyl Compounds Induced by Electron Ionization

August 12, 2025
Author(s)
Yufang Zheng, Edward Erisman, Weihua Ji, Stephen Stein, William Wallace
… groups. For example, a previously unreported [M−111]⁺ ion was consistently observed in compounds containing three … confirmed the origin and elemental composition of this ion. MS2 experiments and full scan of TMS derivatives of … fluorinated alcohols, fluorinated carboxylic acids, ion fragmentation pathway, PFAS, reference library, reference …

Frequency Comparison of Al + and Hg + Optical Standards

June 24, 2007
Author(s)
Till P. Rosenband, David Hume, Anders Brusch, Luca Lorini, P. O. Schmidt, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Nathan R. Newbury, W Swann, Windell Oskay, Wayne M. Itano, David J. Wineland, James C. Bergquist
… We compare the frequencies of two single ion frequency standards: 27 Al + and 199 Hg + . Systematic …

Measurement-induced quantum phases realized in a trapped-ion quantum computer

June 2, 2022
Author(s)
Michael Gullans, Alexey Gorshkov, David Huse, Christopher Monroe, Crystal Noel, Pradeep Niroula, Daiwei Zhu, Andrew Risinger, Laird Egan, Debopriyo Biswas, Marko Cetina
… via random quantum circuits implemented on a trapped-ion quantum computer, where the system evolution is … Measurement-induced quantum phases realized in a trapped-ion quantum computer …

Maximizing Information Obtained From Secondary Ion Mass Spectra of Organic Thin Films Using Multivariate Analysis.

July 1, 2004
Author(s)
M S. Wagner, D G. Graham, B D. Ratner, David G. Castner
… Time -of Flight Secondary Ion Mass Spectrometry (ToF-SIMS) can give detailed … molecular depth profiles obtained using an SF 5u+ primary ion beam. The effect of data normalization and scaling on the … Maximizing Information Obtained From Secondary Ion Mass Spectra of Organic Thin Films Using Multivariate …

Characterization of Emerging Ambient Pressure Mass Spectrometric Techniques using Time-of-Flight Secondary Ion Mass Spectrometry

March 28, 2014
Author(s)
Shinichiro Muramoto, Thomas P. Forbes, Matthew E. Staymates, John G. Gillen
… Time-of-flight secondary ion mass spectrometry (ToF-SIMS) was used to characterize the … angles also corresponded with higher relative secondary ion yields as measured by ambient MS and ToF-SIMS. For LTP, a … oblique angles corresponded with higher relative secondary ion yields, although the analyte did not display a distinct …

Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput Characterization of Bio-Surfaces

January 1, 2003
Author(s)
S V. Roberson, A Sehgal, Albert J. Fahey, Alamgir Karim
… film. In this pre-liminary work, we tracked the secondary ion intensities of various species along the 45 mm length of … film. We noticed consistent trends, with the secondary ion signals for oxidized species steadily increasing with the … Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) for High-Throughput …

Multi-Component Fe-Ni Oxide Nanocatalysts for Oxygen Evolution and Methanol Oxidation Reactions under Alkaline Conditions

November 29, 2016
Author(s)
Stephanie L. Candelaria, Nicholas M. Bedford, Taylor J. Woehl, Nikki S. Rentz, Allison R. Showalter, Svitlana Pylypenko, Bruce A. Bunker, Sungsik Lee, Benjamin Reinhart, Yang Ren, S P. Ertem, E. B. Coughlin, Nicholas A. Sather, James L. Horan, Andrew M. Herring, Lauren F. Greenlee
… form of a bimetallic catalyst. In this work, bimetallic iron-nickel nanoparticles are synthesized using a multi-step … under ambient conditions. When compared to monometallic iron and nickel nanoparticles, the Fe-Ni nanoparticles show … At 1 mA/cm2, the overpotential for the monometallic iron and nickel nanoparticles was 421 mV and 476 mV, …

Application of Inkjet Printing Technology to Produce Test Materials of 1,3,5-Trinitro-1,3,5 Triazcyclohexane for Trace Explosive Analysis

October 15, 2010
Author(s)
Eric S. Windsor, Marcela N. Najarro, Anna N. Bloom, Bruce A. Benner Jr, Robert A. Fletcher, John G. Gillen, Richard Lareau, Inho Cho, Mike Boldmand
… and jetted onto substrates suitable for calibration of the ion mobility spectrometry (IMS) instruments currently … explosives, inkjet printing, ion mobility spectrometry, trace explosives detection …
Displaying 1101 - 1125 of 4258
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