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Displaying 751 - 775 of 2904

Charge state dependent energy deposition by ion impacts

August 5, 2011
Author(s)
Russell E. Lake, Joshua M. Pomeroy, Holger Grube, C E. Sosolik
… XeQ+ (26 Q 44) projectiles. Tunnel junction devices with ion-irradiated barriers were used to amplify the effect of … Charge state dependent energy deposition by ion impacts …

An Optical Clock Based on a Single Trapped Hg + Ion

January 1, 2001
Author(s)
Scott A. Diddams, T Udem, K R. Vogel, Christopher W. Oates, E A. Curtis, W D. Lee, Wayne M. Itano, Robert E. Drullinger, James C. Bergquist, Leo W. Hollberg
… 1.064-petahertz transition of a single trapped ^199Hg^+ ion. A clockwork based on a mode-locked femtosecond laser … An Optical Clock Based on a Single Trapped Hg + Ion …

Smoke Production and Detection From Lithium Ion Battery Powered E-Scooter Fires in a Compartment

March 26, 2026
Author(s)
Amy Mensch, Emma Veley, Sebastian Seda, Artur Chernovsky
… Increased use of lithium-ion batteries in consumer products poses a risk for fires … a common standing electric scooter, the 281 Wh lithium-ion battery pack was sent into thermal runaway within a small … Smoke Production and Detection From Lithium Ion Battery Powered E-Scooter Fires in a Compartment …

UniSpec: Deep Learning for Predicting the Full Range of Peptide Fragment Ion Series to Enhance the Proteomics Data Analysis Workflow

February 8, 2024
Author(s)
Joel Lapin, Xinjian (Eric) Yan, Qian Dong
… models are strong at predicting their respective fragment ion series, UniSpec particularly shines in generating more complex MS2 spectra with diverse ion annotations. The integration of UniSpec's predictions … Learning for Predicting the Full Range of Peptide Fragment Ion Series to Enhance the Proteomics Data Analysis Workflow …

Sizing the Bacillus anthracis PA63 Channel with Nonelectrolyte Poly(ethylene glycols)

August 1, 2008
Author(s)
Brian J. Nablo, Kelly Halverson, Joseph W. Robertson, Tam Nguyen, Rekha Panchal, Rick Gussio, Sina Bavari, Oleg V. Krasilnikov, John J. Kasianowicz
… glycol), PEG, were used to estimate the diameter of the ion channel formed by Bacillus anthracis protective antigen … anthrax, channel size, edema factor, ion channel, lethal factor, poly(ethylene glycol), protective …

Field Ion Emission in an Atom Probe Microscope Triggered by Femtosecond-Pulsed Coherent Extreme Ultraviolet Light

March 12, 2020
Author(s)
Ann C. Chiaramonti Debay, Luis Miaja Avila, Benjamin W. Caplins, Paul T. Blanchard, Norman A. Sanford, Brian Gorman, David R. Diercks
… generation in an Ar filled hollow waveguide, triggers ion emission from the specimen apex. The composition measured … is not known a priori. The possible thermal and athermal ion emission mechanisms that may be operating in EUV APT are … Field Ion Emission in an Atom Probe Microscope Triggered by …

Structure and Property Characterization of Porous Low-k Dielectric Constant Thin Films Using X-ray Reflectivity and Small Angle Neutron Scattering

February 1, 2001
Author(s)
Eric K. Lin, Wen-Li Wu, C Jin, J T. Wetzel
… A novel methodology using a combination of high energy ion scattering, x-ray reflectivity, and small angle neutron … porous thin films for use as low-k dielectric materials. Ion scattering is used to determine the elemental composition … ion scattering spectroscopy, low-k dielectric material, …

Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks

June 12, 1995
Author(s)
C Monroe, A S. Barton, James C. Bergquist, D J. Berkeland, John Bollinger, F C. Cruz, Wayne M. Itano, Steven R. Jefferts, Branislav M. Jelenkovic, B E. King, D M. Meekhof, J D. Miller, M E. Poitzsch, Joseph N. Tan
… transitions in the resolved sideband regime to cool single ions to the n = 0 zero-point energy. This has allowed … Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg …
Displaying 751 - 775 of 2904
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