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Displaying 501 - 525 of 4258

Effect of a Water Rinse on Labile Fluoride and Ether Ions in Plaque and Saliva Before and After Conventional and Experimental Fluoride Rinses

March 1, 2001
Author(s)
Gerald L. Vogel, Z Zhang, Laurence C. Chow, Gary E. Schumacher
… apparently due to water induced loss of calcium binding ions. Water- or fluoride-rinse-induced changes in plaque … caries, fluoride, labile ions, plaque, saliva … Effect of a Water Rinse on Labile Fluoride and Ether Ions in Plaque and Saliva Before and After Conventional and …

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 …

Surface Characterization and Testing II

January 1, 1989
Author(s)
J. E. Grievenkamp, M. Young
… Proc., SPIE, Surface Characterization and Testing II, … Surface Characterization and Testing II …

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 …

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 …

Wideband current and magnetic field sensors based on iron garnets

January 1, 1993
Author(s)
M. N. Deeter, Kent B. Rochford, Allen Rose, Gordon W. Day
… most sensitive Faraday effect sensors employ ferrimagnetic iron garnets as the sensing elements. With these materials, … Wideband current and magnetic field sensors based on iron garnets …

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 …

Crystal Structure of Ba 27 Fe 16 Ti 33 O 117

July 1, 2002
Author(s)
T Siegrist, Terrell A. Vanderah, C Svensson, Robert S. Roth
… via a 9-fold repeat of the 6L stacking sequence, with iron preferentially occupying layers centered around z=1/6. … Ba 27 Fe 16 Ti d O 117 , barium iron titanates, barium iron titantium oxide …

Spectra of W 39+ -W 47+ in the 12 nm to 20 nm Region Observed With an EBIT Light Source

October 14, 2007
Author(s)
Yuri Ralchenko, Joseph Reader, Joshua M. Pomeroy, Joseph N. Tan, John D. Gillaspy
… tungsten in the extreme ultraviolet with an electron beam ion trap (EBIT) and a grazing incidence spectrometer at the … were calibrated by separate spectra of highly ionized iron produced in the EBIT. Identification of the observed …

Advancing Discovery with Artificial Intelligence and Machine Learning at NSLS-II

September 16, 2022
Author(s)
Bruce D. Ravel
… With the National Synchrotron Light Source II (NSLS-II) coming online in 2015 as the brightest source in the … Sciences' X-ray light sources are skyrocketing. At NSLS-II, over 1 petabyte of raw data was produced last year, and … with Artificial Intelligence and Machine Learning at NSLS-II …

Quantitative secondary ion mass spectrometry imaging of self-assembled monolayer films for electron beam dose mapping in the environmental scanning electron microscope

July 1, 1998
Author(s)
John G. Gillen, Scott A. Wight, David S. Bright, T M. Herne
… at different levels of electron dose. Microbeam secondary ion mass spectrometry [SIMS] using Cs+ bombardment is then used to image the F- secondary ion signal from these areas. From the reduction in F- … curve is generated that allows conversion of secondary ion signal to electron dose on a pixel-by-pixel basis. Using …

Method for Evaluating Ion Mobility Spectrometers for Trace Detection of Fentanyl and Fentanyl- related Substances

November 8, 2019
Author(s)
Jennifer R. Verkouteren, Jeffrey Lawrence, R. Michael Verkouteren, Edward Sisco
… including law enforcement and border protection. Ion mobility spectrometry (IMS) technologies have a potential … cm2 V-1 s-1 for all 16 compounds indicate that product ion formation is the same across instrument platforms, and a … drug detection, fentanyl, IMS, ion mobility spectrometry, opioid …

Structure and Mechanical Properties of Al Thin Films Synthesized by Electron Beam Evaporation and Ion Beam Assisted Deposition

October 4, 2010
Author(s)
C E. Kalnas, David T. Read, J E. Jones, G S. Was
… The effects of an Ar ion assist beam during Al film growth by electron beam … nm were synthesized by electron beam evaporation (EBE) and ion beam assisted deposition (IBAD) at a nomalized energy … aluminum, ion bombardment, mechanical properties, microstructure … Al Thin Films Synthesized by Electron Beam Evaporation and Ion Beam Assisted Deposition …

Determination of the isotopic change in nuclear charge radius from extreme-ultraviolet spectroscopy of highly charged ions of Xe

June 16, 2020
Author(s)
Yuri Ralchenko, Roshani Silwal, A. Lapierre, John Gillaspy, Joan M. Dreiling, S A. Blundell, Dipti Goyal, A. Borovik, Jr., G Gwinner, A.C.C. Villari, Endre Takacs
… that extreme ultraviolet spectroscopy of highly charged ions is a precise method for measurements of changes in the … from extreme-ultraviolet spectroscopy of highly charged ions of Xe …

Electron Attachment Cross Sections and Negative Ion States of SF6

January 1, 2001
Author(s)
Loucas G. Christophorou, James K. Olthoff
… the energies and symmetry assignments of the negative ion states of SF 6 below approximately equal to}15 eV. … electron attachment, electron scattering, negative ion states, SF 6 , sulfur hexafluoride … Electron Attachment Cross Sections and Negative Ion States of SF6 …
Displaying 501 - 525 of 4258
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