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 4258

Calibration of thin-film platinum sensors for use in the JILA Sr II Clock

March 29, 2015
Author(s)
Weston L. Tew, Travis L. Nicholson, Ross B. Hutson
… purposes of determining temperatures inside the JILA Sr II Optical Lattice Clock vacuum chamber. The calibration … the calibrations and correction equations to the Sr II chamber. … of thin-film platinum sensors for use in the JILA Sr II Clock …

Electrolyte stability determines scaling limits for solid-state 3D Li-ion batteries

December 20, 2011
Author(s)
Dmitry A. Ruzmetov, Vladimir P. Oleshko, Paul M. Haney, Henri J. Lezec, K Karki, K Baloch, Amit K. Agrawal, Albert Davydov, Sergiy Krylyuk, Y Liu, JY Huang, Mihaela M. Tanase, John Cumings, Albert A. Talin
… Rechargeable, all-solid state Li-ion batteries (LIBs) with high specific capacity and small … Lithium ion battery, nanowire, nanobattery, in situ transmission … stability determines scaling limits for solid-state 3D Li-ion batteries …

Potential Energy Surface Database of Group II Dimer Molecules

December 1, 2003
Author(s)
Svetlana A. Kotochigova, Paul S. Julienne
… the feasibility of using laser cooled and trapped Group II atomic species (Mg, Ca, Sr, and Ba) and Yb for … Potential Energy Surface Database of Group II Dimer Molecules …

Effect of N-Terminal Glutamic Acid and Glutamine on Fragmentation of Peptide Ions

March 27, 2010
Author(s)
Bhaskar Godugu, Pedatsur Neta, Yamil Simon, Stephen Stein
… path for electrospray generated tryptic peptide ions is the dissociation of the peptide bond linking the … peptide ions, mass spectrometry, collision induced dissociation, … Glutamic Acid and Glutamine on Fragmentation of Peptide Ions …

Collisional Energy Dependence of Peptide Ion Fragmentation

March 1, 2009
Author(s)
Pedatsur Neta, Y Simon-Manso, Xiaoyu Yang, Stephen Stein
… The collision voltage at which the sum of the fragment ion abundances was equal to the remaining parent ion (V 1/2 ) was the principal measure of fragmentation. Each … a relative measure of the ease of fragmentation of an ion in each class. A few peptides with certain structures do …

New Method to Enhance Overlay Tool Performance

May 1, 2003
Author(s)
Ravikiran Attota, Richard M. Silver, Michael T. Stocker, Egon Marx, Jay S. Jun, M P. Davidson, Robert D. Larrabee
… cross talk between neighboring lines on an overlay target (ii) the selection of the window size used in the … Overlay and Registration Metrology II …

HYPERFINE STRUCTURE CONSTANTS OF Sc I AND Sc II WITH FOURIER TRANSFORM SPECTROSCOPY

February 28, 2022
Author(s)
FNU Hala, Gillian Nave
… levels in neutral and singly ionized Scandium (Sc I & Sc II). We observed spectra of Sc-Ar and Sc-Ne hollow cathode … constant A for 156 levels in Sc I and 6 levels in Sc II, of which 79 Sc I levels have no previous measurements. … HYPERFINE STRUCTURE CONSTANTS OF Sc I AND Sc II WITH FOURIER TRANSFORM SPECTROSCOPY …

Sympathetic Cooling of Trapped Ions for Quantum Logic

January 1, 2000
Author(s)
D Kielpinski, B E. King, C J. Myatt, C A. Sackett, Q A. Turchette, Wayne M. Itano, C Monroe, David J. Wineland
… to the fidelity of quantum logic operations on trapped ions arises from heating of the ions’ collective modes of motion. Sympathetic cooling of the ions during the logic operations may eliminate this source of … Sympathetic Cooling of Trapped Ions for Quantum Logic …

Temperature-Controlled Depth Profiling in Poly (methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS) II. An Investigation of Sputter-Induced Topography, Chemical Damage and Depolymerization Effects

February 1, 2007
Author(s)
Christine M. Mahoney, Albert J. Fahey, John G. Gillen, Chang Xu, James Batteas
… Secondary Ion Mass Spectrometry (SIMS) employing an SF polyatomic primary ion source was used to depth profile Poly(methyl … rates, damage cross sections, and overall secondary ion stability) were monitored as a function of temperature. … Poly (methylmethacrylate) (PMMA) Using Cluster Secondary Ion Mass Spectrometry (SIMS) II. An Investigation of …

Simplified Quantum Logic with Trapped Ions

January 1, 1997
Author(s)
C Monroe, Dietrich Leibfried, B E. King, D M. Meekhof, Wayne M. Itano, David J. Wineland
… logic with a collection of laser-cooled trapped atomic ions. Building on the scheme of Cirac and Zoller, we show how … Simplified Quantum Logic with Trapped Ions …

Inductively Coupled Plasmas in Low Global Warming Potential Gases

August 1, 2000
Author(s)
Amanda N. Goyettes, Yicheng Wang, James K. Olthoff
… applications. Measurements were made using a combined ion energy analyser-mass spectrometer that samples ions … effects of plasma operating conditions and Ar dilution on ion fluxes and energies were examined. Nearly complete … in CF 3 I discharges and I + comprises almost all of the ion yield. Mean ion energies range from 5-10 eV for the …

The Bismuth Abundance in the HgMn Stars chi) Lupi and HR7775 and Improved Atomic Data for Selected Transitions of Bi I, Bi II, and Bi III

April 1, 2001
Author(s)
G Wahlgren, T Brage, J C. Brandt, J Fleming, S Johansson, D S. Leckrone, C R. Proffitt, Joseph Reader, Craig J. Sansonetti
… Explorer (IUE) spectra to display strong lines of Bi II, is determined to have bismuth present at an enhancement level of [Bi/H] = +4.8 dex from the lines Bi II λλ1436, 1902 and +4.3 from fitting the wings of the … for wavelengths and hyperfine structure patterns of Bi I/II/II lines are presented, as well as the results of …

The Spectrum of Singly Ionized Potassium, K II

October 12, 2021
Author(s)
K Pettersen, J O. Ekberg, I Martinson, Joseph Reader
… in the regions 495 612 and 1247 2150 . More than 120 new K II lines were identified. The previous work on this spectrum … The Spectrum of Singly Ionized Potassium, K II …

Metallurgy of the RMS Titanic

February 1, 1998
Author(s)
Timothy J. Foecke
… factors. It has also been found that the wrought iron rivets used in the construction of Titanic contained an … sulfide, mild steels, rivets, ships, Titanic, wrought iron …

High-accuracy Wavelengths and Energy Levels of Singly Ionized Nickel (Ni II) Measured using Fourier Transform Spectroscopy

August 4, 2022
Author(s)
Christian Clear, Juliet Pickering, Gillian Nave, Peter Uylings, Ton Raassen
… High-resolution spectra of singly ionized nickel (Ni II) have been recorded using Fourier transform spectroscopy … discharge sources. An extensive analysis of identified Ni II lines resulted in the confirmation and revision of 283 … energy levels and 1424 classified line wavelengths of Ni II are reported and will enable more accurate and reliable …

Characterization and Ion-Induced Degradation of Cross-Linked Poly(Methyl Methacylate) Studies Using Time of Flight Secondary Ion Mass Spectrometry

December 30, 2006
Author(s)
M S. Wagner, K Lenghaus, John G. Gillen, Michael J. Tarlov
… transfer radical polymerization. Positive and negative ion static time-of-flight secondary ion mass spectrometry (ToF-SIMS) was used to characterize SIP … However, matrix effects in the positive and negative ion modes led to preferential secondary ion generation from …

NIST Transactive Energy Modeling and Simulation Challenge Phase II Final Report

May 3, 2019
Author(s)
David G. Holmberg, Martin J. Burns, Steven T. Bushby, Avi Gopstein
… abstract component model that paved the way for Phase II. The Phase II effort spanned Spring 2017 through Spring 2018, where the … Challenge participants' research reports from Phase II. The common scenario involves a weather event impacting a … Transactive Energy Modeling and Simulation Challenge Phase II Final Report …

Spectral Data for Gallium: Ga I through Ga XXXI

October 12, 2021
Author(s)
T Shirai, Joseph Reader, Alexander Kramida, J Sugar
… levels and line wavelengths are compiled. For Ga I, Ga II, and Ga III we include radiative probabilities of … term and a value of ionization energy is included for each ion. …
Displaying 601 - 625 of 4258
Was this page helpful?