U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 601 - 625 of 3757

ELSEPA - Dirac Partial-Wave Calculation of Elastic Scattering of Electrons and Positrons by Atoms, Positive Ions and Molecules

January 1, 2005
Author(s)
Francesc Salvat, Aleksander Jablonski, Cedric J. Powell
… scattering of electrons and positrons by atoms, postive ions and molecules is presented. These codes perform … a local central interaction potential V (r). For atoms and ions, the static-field approximation is adopted, with the … atoms, elastic scattering, electrons, molecules, positive ions, positrons …

High Quality Oxide Films Deposited at Room Temperature by Ion Beam Sputtering

February 5, 2018
Author(s)
Gerard E. Henein, Juraj Topolancik, Kerry NMN Siebein
… SiO2, Al2O3 and ITO have been deposited via ion beam sputtering at room temperature. The SiO2 films, 100 … Ion beam sputtering, resistivity, breakdown, SiO2, Al2O3, ITO … High Quality Oxide Films Deposited at Room Temperature by Ion Beam Sputtering …

Mobilities: Small Systems

October 12, 2021
Author(s)
J Husband, S R. Leone
… gas. From these studies much has been learned about the ion-neutral interaction potential. Knowledge of how an ion travels through a neutral gas is crucial to the … are essential for accurate modeling of the kinetics of ion-molecule reactions. Such reactions play a major role in …

Formation of SEI on Cycled Lithium-Ion Battery Cathodes: Soft X-ray Absorption Study

January 1, 2002
Author(s)
Mahalingam Balasubramanian, H S. Lee, X Sun, Xiao-Qing Yang, A R. Moodenbaugh, James McBreen, Daniel A. Fischer, Ziwen Fu
… (SEI) on LiNi 0.85 Co 0.15 O 2 cathodes from lithium-ion cells cycled at 40EC and 70EC was observed and … battery, electrolyte, lithium-ion, soft x-ray … Formation of SEI on Cycled Lithium-Ion Battery Cathodes: Soft X-ray Absorption Study …

Complete collision data set for electrons scattering on molecular hydrogen and its isotopologues: IV. Vibrationally-resolved ionization of the ground and excited electronic states.

January 31, 2023
Author(s)
Yuri Ralchenko, Barry I. Schneider, Liam Scarlett, Eric Jong, Igor Bray, Starsha Odelia, Mark Zammit, Dmitry Fursa
… cross sections for electron-impact ionization of molecular hydrogen and its isotopologues (H2, D2, T2, HD, HT, and DT) … Molecular hydrogen, isotopologues, ionization cross sections, molecular … collision data set for electrons scattering on molecular hydrogen and its isotopologues: IV. Vibrationally-resolved …

Insights on Hydrogen Injection and GdO x /Co Interface Chemistry from In Operando Neutron Reflectometry and Secondary Ion Mass Spectrometry

January 13, 2023
Author(s)
S. Sheffels, Purnima P. Balakrishnan, M. Huang, Shinichiro N. Muramoto, Julie Borchers, Joseph Dura, Alexander Grutter, G. Beach
… Magnetism, Ionics, Hydrogen migration, SIMS, Reflectometry, Thin Films … Insights on Hydrogen Injection and GdO x /Co Interface Chemistry from In Operando Neutron Reflectometry and Secondary Ion Mass Spectrometry …

Hyperfine-mediated electric quadrupole shifts in Al+ and In+ ion clocks

April 6, 2017
Author(s)
Kyle P. Beloy, David R. Leibrandt, Wayne M. Itano
… the averaging schemes that are critical to other optical ion clocks. … aluminum, electric quadrupole moment, indium, ion clock, optical clock, optical frequency standard … electric quadrupole shifts in Al+ and In+ ion clocks …

Complete collision data set for electrons scattering on molecular hydrogen and its isotopologues: III. Vibrational excitation via electronic excitation and radiative decay.

August 10, 2022
Author(s)
Dmitry Fursa, Mark Zammit, Igor Bray, Liam Scarlett, Daniel Boyle, Yuri Ralchenko
… of the ground electronic state (X 1Σ+ g ) of molecular hydrogen and its isotopologues (H2, HD, HT, D2, DT and T2). … molecular hydrogen, vibrational excitation, electronic excitation, … collision data set for electrons scattering on molecular hydrogen and its isotopologues: III. Vibrational excitation …

EUV Spectral Lines of Highly-Charged Hf, Ta and Au Ions Observed with an Electron Beam Ion Trap

January 12, 2011
Author(s)
Ilija Draganic, Yuri Ralchenko, Joseph Reader, John D. Gillaspy, Joseph N. Tan, Joshua M. Pomeroy, Samuel M. Brewer, Dmitry D. Osin
… tantalum, and gold were produced with an electron beam ion trap (EBIT) at the National Institute of Standards and … modeling, line identification, highly-charged ions … EUV Spectral Lines of Highly-Charged Hf, Ta and Au Ions Observed with an Electron Beam Ion Trap …

First principle simulation of ultra-cold ion crystals in a Penning trap with Doppler cooling and a rotating wall potential

July 17, 2019
Author(s)
Chen Tang, Dominic Meiser, John Bollinger, Scott E. Parker
… in a Penning trap with a rotating wall is presented. The ion dynamics is modelled classically. Both axial and planar … non-neutral plasma, Penning trap, rotating wall, trapped-ion crystals … First principle simulation of ultra-cold ion crystals in a Penning trap with Doppler cooling and a …

Direct Imaging of Highly Charged Ions in an Electron Beam Ion Trap

August 1, 2000
Author(s)
James V. Porto, I Kink, John D. Gillaspy
… We have directly observed the ion cloud distribution in an electron beam ion trap using … lines in the ground term of Ar 13+ ,^ Xe 31+ and Xe 32+ ions. Using a gated intensified charge coupled device camera, … provide infromation about the trapped highly charged ions which is difficult to obtain by other methods. To …

Genetically Engineered Metal Ion Binding Sites on the Outside of a Channel's Transmembrane B-Barrel

February 1, 1999
Author(s)
John J. Kasianowicz, D L. Burden, L C. Han, S Cheley, H Bayley
… engineered versions of the Staphlococcus aureus αHL} ion channel to serve as rationally designed sensor components … alpha-hemolysin, alpha-toxin, biosensor, divalent cations, ion channels, protein structure, transition metals … Genetically Engineered Metal Ion Binding Sites on the Outside of a Channel's Transmembrane …

Versatile laser-free trapped-ion entangling gates

March 28, 2019
Author(s)
R. T. Sutherland, Raghavendra Srinivas, Shaun C. Burd, Dietrich Leibfried, Andrew C. Wilson, David J. Wineland, David T. Allcock, Daniel Slichter, S. B. Libby
… theory for laser-free entangling gates with trapped-ion hyperfine qubits, using either static or oscillating … Versatile laser-free trapped-ion entangling gates …

K X-Rays Produced in Collisions of Bare Ions With Atoms Contribution of Multiple-Electron Transfer in Kr 36+ , Ar 18+ , and Ne 10+ + Ar Collisions

January 1, 2006
Author(s)
H Tawara, E Takacs, T Suta, K Makonyi, L P. Ratliff, John D. Gillaspy
… observed in low energy collisions of bare Kr, Ar, and Ne ions ion with neutral gas targets. Although largely … collisions, highly charged ions, hyper-satellite lines, satellite lines, x-ray … K X-Rays Produced in Collisions of Bare Ions With Atoms Contribution of Multiple-Electron Transfer in …

Modeling the Fatigue Crack Growth of X100 Pipeline Steel in Gaseous Hydrogen

August 20, 2013
Author(s)
Robert L. Amaro, Neha N. Rustagi, Andrew J. Slifka, Elizabeth S. Drexler, Kip Findley
… Hydrogen is likely to play a key role (worldwide) in a future … to be the most economical means to transport gaseous hydrogen, fundamental understanding of the deleterious effects of hydrogen on the fatigue and fracture properties of pipeline … the Fatigue Crack Growth of X100 Pipeline Steel in Gaseous Hydrogen …

Construction of a Dual Protease Column, Subzero (-30 degC) Chromatography System and Multi-channel Precision Temperature Controller for Hydrogen-Deuterium Exchange Mass Spectrometry

August 12, 2020
Author(s)
Jeffrey Hudgens
… protease column, subzero, liquid chromatography system for hydrogen- deuterium exchange mass spectrometry (HDX-MS). … chromatography, hydrogen-deuterium exchange, mass spectrometry, precision, … and Multi-channel Precision Temperature Controller for Hydrogen-Deuterium Exchange Mass Spectrometry …
Displaying 601 - 625 of 3757
Was this page helpful?