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Displaying 1351 - 1375 of 4634

Monte Carlo / RRKM / Classical Trajectories Modeling of Collisional Excitation and Dissociation of n-Butylbenzene Ion in Multipole Collision Cells of Tandem Mass Spectrometers

May 18, 2010
Author(s)
Vadim D. Knyazev, Stephen Stein
… C 7 H 8 + ) ions in the electromagnetic field of multipole ion guides and collision cells, classical trajectory modeling … and scattering of ions, and RRKM modeling of the parent ion decomposition. Experimental information on the energy … Collisional Excitation and Dissociation of n-Butylbenzene Ion in Multipole Collision Cells of Tandem Mass Spectrometers …

Laser-cooling in a chip-scale platform

August 3, 2020
Author(s)
James P. McGilligan, Kaitlin R. Moore, Argyrios Dellis, Gabriela Martinez, E. de Clercq, Paul Griffin, A S. Arnold, E Riis, Rodolphe Boudot, John Kitching
… (UHV) to achieve laser cooling. A grating magneto-optical trap (GMOT) is incorporated with a 4 mm-thick Si/glass vacuum … interferometer, atomic clock, laser cooling, magneto-optic trap, micromachining …

Origin of Electrical Signals for Plasma Etching Endpoint Detection

November 18, 2011
Author(s)
Mark A. Sobolewski
… in substrate surface properties such as photoemitted or ion-induced electron yield. To investigate these effects, … in rf bias impedance coincides with an increase in ion current density and a change in the electron energy … distribution function (EEDF). The measured changes in ion current and EEDF, when input into a numerical model of …

Radial polarization imaging of entangled biphoton state

June 11, 2025
Author(s)
Jiung Kim, Jeeseong Hwang, Martin Sohn
Polarization entanglement of single photons is a key element to enable quantum 2.0 applications such as quantum computing, quantum networks, and quantum sensing. Verification and fidelity assessment of quantum entanglement of single photon pairs correlated

Improving the efficiency of Monte Carlo simulations of ions using expanded grand canonical ensembles

October 9, 2019
Author(s)
Harold W. Hatch, Steven W. Hall, Jeffery R. Errington, Vincent K. Shen
… apparent requirement to insert and delete neutral sets of ions simultaneously in order to maintain charge neutrality. … by gradual insertion and deletion of these neutral sets of ions. We introduce an expanded ensemble approach which may be … existing methods to further improve efficiency. Individual ions are inserted or deleted in one Monte Carlo trial rather …

Effects of Stray Magnetic Field on Transition-edge Sensors in Gamma-ray Microcalorimeters

May 19, 2024
Author(s)
Mark Keller, Abigail Wessels, Dan Becker, Douglas Bennett, Matthew Carpenter, Mark Croce, Jozsef Imrek, Johnathon Gard, John Mates, Kelsey Morgan, Nathan Ortiz, Dan Schmidt, Katherine Schreiber, Daniel Swetz, Joel Ullom
… performance if cooled in a magnetic field B sufficient to trap flux in the sensors. We report measurements of γ-ray …

MULTI-COLLECTOR CONFIGURATION CONSIDERATIONS AND SUBSTRATE RELATIVE SENSITIVITY FACTOR EFFECTS FOR AGE-DATING MEASUREMENTS OF PARTICLES BY LARGE GEOMETRY SECONDARY ION MASS SPECTROMETRY

October 1, 2021
Author(s)
Todd Williamson, David S. Simons, John D. Fassett
… particles using large geometry secondary ion mass spectrometry (LG-SIMS) showing that it is feasible … Large Geometry Secondary Ion Mass Spectrometry, Age Dating Analysis, Multi-collector … MEASUREMENTS OF PARTICLES BY LARGE GEOMETRY SECONDARY ION MASS SPECTROMETRY …

(Magic Dopant) Amphoteric Behavior of a Redox-Active Transition Metal Ion in a Perovskite Lattice: New Insights on the Lattice Site Occupation of Manganese in SrTiO3

October 5, 2016
Author(s)
Russell A. Maier, Matthew P. Donohue
… for the first time that a transition metal, redox-active ion can exhibit amphoteric substitution in the SrTiO3 … amphoteric doping of a transition metal redox- active ion offers the possibility to build new electronic … Amphoteric Behavior of a Redox-Active Transition Metal Ion in a Perovskite Lattice: New Insights on the Lattice Site …

Spectral Data for Atoms and Ions

November 1, 2000
Author(s)
Joseph Reader
… of databases for spectral properties of atoms and ions. Version 2.0 of the NIST Atomic Spectra Database (ASD) … Spectral Data for Atoms and Ions …

Determination of Inorganic Ions in Mineral Water by Gradient Elution Moving Boundary Electrophoresis

October 1, 2010
Author(s)
Paul M. Flanigan IV, David J. Ross, Jonathan G. Shackman
… was developed for the determination of the major inorganic ions in commercial mineral waters using gradient elution … μmol/L to sub-μmol/L range. Calculated values of the major ions in three commercial mineral waters were compared to … Determination of Inorganic Ions in Mineral Water by Gradient Elution Moving Boundary …
Displaying 1351 - 1375 of 4634
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