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Displaying 726 - 750 of 2904

EBIT Observation of Low Charge State Ar Dielectronic Recombination Features Near the Unknown Faint X-Ray Feature Found in the Stacked Spectrum of Galaxy Clusters

February 20, 2019
Author(s)
A. Gall, A. Foster, R. Silwal, Joan M. Dreiling, A. Borovik, E. Kilgore, M. Ajello, John Gillaspy, Yuri Ralchenko, Endre Takacs
… of galaxy clusters (Bulbul et al. 2014), an electron beam ion trap (EBIT) was used to investigate resonant dielectronic … with AtomDB data and numerous Ar DR features from multiple ion charge-states in the energy region near the unidentified …

Electrolytes that reduce electro-osmotic drag improve fast charging of lithium-ion batteries

May 13, 2025
Author(s)
Chang-Xin Zhao, Zeyi Wang, David Jacobson, Yue Li, Boris Khaykovich, Sean Fayfar, Jacob LaManna, Daniel Hussey, Lei Zheng, Gabriel Veith, Fu Chen, Chunsheng Wang
… greater than 4 C) is essential for high-energy lithium-ion batteries in electric vehicles yet remains challenging … optimization strategies concentrate on shortening lithium-ion transport pathways through electrode structure … electro-osmotic drag improve fast charging of lithium-ion batteries …

Atom Probe Tomography Using an Extreme Ultraviolet Trigger Pulse

September 1, 2023
Author(s)
Benjamin Caplins, Ann Chiaramonti Debay, Jacob Garcia, Norman A. Sanford, Luis Miaja Avila
… most often uses an optical pulse to trigger field ion evaporation -- most commonly, the second or third … extreme ultraviolet (EUV) optical pulses to trigger field ion emission. The EUV light is generated via a commercially … the instrument's ability to successfully trigger field ion emission from semiconductor (Si, GaN) and insulating …

Reduction of Cobalt and Iron Corroles and Catalyzed Reduction of CO 2

May 1, 2002
Author(s)
J Grodkowski, Pedatsur Neta, E Fujita, A Mahammed, L Simkhovich, Z Gross
… (tpfc = 5,10,15-tris(pentafluorophenyl)corrole), ClFe^IV^(tpfc), and ClFe IV (tdcc) (tdcc = 5,10,15-tris(2,6-dichlorophenyl)corrole) … 0.72 V, -0.42 V (E pc ), -1.44 V, -2.3 V (E pc ); for ClFe IV (tpfc), 0.44 V, -1.01 V (E pc ), -1.60 V, -2.2 V (E pc ); …

Collision-Induced Dissociation of Deprotonated Peptides. Relative Abundance of Side-Chain Neutral Losses, Residue-Specific Product Ions, and Comparison with Protonated Peptides

November 14, 2017
Author(s)
Yuxue Liang, Pedatsur Neta, Xiaoyu (Sara) Yang, Stephen E. Stein
… High-accuracy MS/MS spectra of deprotonated ions of 390 dipeptides and 137 peptides with 3 to 6 residues … in deprotonated peptides produce specific negative ions after peptide bond cleavage. An expanded list of fragment ions from protonated peptides is also presented and compared …

The Infrared Spectra of OCS + and OCS - Trapped in Solid Neon

July 1, 2001
Author(s)
C Lugez, Warren E. Thompson, Marilyn E. Jacox
When a Ne:OCS sample was codeposited at approximately 5 K with a beam of neon atoms that were excited in a microwave discharge, the infrared spectrum of the resulting deposit included absorptions which can be assigned to OCS +, OCS -, and one or more dimer

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
… between anomalous features in TES current-voltage (IV ) curves and degraded energy resolution. After reducing … and improving shielding against external sources, both IV curves and energy resolution improved. Finally, we placed …

Spin dephasing as a probe of mode temperature, motional state distributions, and heating rates in a two-dimensional ion crystal

March 9, 2014
Author(s)
Brian C. Sawyer, Joseph W. Britton, John J. Bollinger
… (COM) motional mode of a two-dimensional trapped ion crystal of hundreds of 9 Be + . By comparing the measured … insight into the size and nature of errors in trapped ion quantum gates produced by thermal fluctuations of a … measurement places an upper limit on the anomalous single-ion heating rate due to electric field noise from the trap …

Quantum amplification of boson-mediated interactions

May 13, 2021
Author(s)
Shaun C. Burd, Raghavendra Srinivas, Hannah M. Knaack, Wenchao Ge, Andrew C. Wilson, David J. Wineland, Dietrich Leibfried, John J. Bollinger, David T. Allcock, Daniel Slichter
… of a boson-mediated interaction between two trapped-ion qubits by parametric modulation of the trapping … Squeezing, trapped ion, quantum information processing, entanglement …

Chloride Ion Activity and Susceptibility of Al Alloys 7075-T6 and 5083-H131 to Stress Corrosion Cracking

March 1, 2013
Author(s)
Richard E. Ricker, Eun Lee, R. Taylor, C. Lei, B. Pregger, E. Lipnickas
… The influence of chloride ion activity on the susceptibility of aluminum alloys … and ductility of both alloys decreased with chloride ion activity in a manner that indicates a chemical reaction … of magnitude slower. It was deduced that the chloride ion interacts chemically with the passivated surface in the …

High-Throughput Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis

September 26, 2022
Author(s)
Michal Macha, Sanjin Marion, Mukesh Tripathi, Martina Lihter, Alex Smolyanitsky, Andras Kis, Aleksandra Radenovic
… permeation properties. In this work, we investigate Xe-ion focused ion beam as a tool for scalable, large-area nanopore … are investigated in terms of their emerging water and ion flow properties through extensive all-atom molecular … Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis …

Electronic Conductivity in a Porous Vanadyl Prussian Blue Analogue upon Air Exposure

November 6, 2017
Author(s)
Mary Anne Manumpil, Carmen Leal-Cervantes, Matthew R. Hudson, Craig Brown, Hemamala I. Karunadasa
… of a new Prussian blue analog incorporation Co(II) and V(IV)-oxo units. Oxidation produces a mixed-valence framework, where the oxygen exposure time controls the V(IV)/V(V) ratio and thereby the material's conductivity. The …

Entangled Mechanical Oscillators

June 4, 2009
Author(s)
John D. Jost, Jonathan Home, Jason Amini, David Hanneke, R. Ozeri, Christopher Langer, John J. Bollinger, Dietrich G. Leibfried, David J. Wineland
… demonstrate entanglement of an internal state of an atomic ion with a separated mechanical oscillator. These results … atom trapping, ion trapping, laser cooling, laser spectroscopy, quantum …
Displaying 726 - 750 of 2904
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