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Displaying 201 - 225 of 2537

Interphase Formation Versus Fluoride-ion Insertion in Tunnel-Structured Transition Metal Antimonites

November 6, 2024
Author(s)
Cherno Jaye, Conan Weiland, Daniel Fischer, Alice R. Giem, Jaime R. Ayala, Sarbajit Banerjee
… are used to model interfacial reactions in fluoride-ion batteries. Topochemical F-ion insertion is evidenced for one-dimensional (1D) … F-ion batteries, energy, 1D tunnels, XRD, SEM, XANES, HAXPES … Interphase Formation Versus Fluoride-ion Insertion in Tunnel-Structured Transition Metal …

Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks

September 30, 2019
Author(s)
Aaron M. Hankin, Ethan Clements, Huang Yao, Samuel M. Brewer, Jwo-Sy Chen, Chin-wen Chou, David Hume, David Leibrandt
… calculating the frequency shift and uncertainty of trapped-ion optical atomic clocks caused by background-gas … rate of collisions that cause reordering of mixed-species ion pairs. … uncertainty due to background-gas collisions in trapped-ion optical clocks …

100-Fold Reduction of Electric-Field Noise in an Ion Trap Cleanded with In Situ Argon-Ion-Beam Bombardment

September 7, 2012
Author(s)
Dustin Hite, Yves Colombe, Andrew C. Wilson, Kenton R. Brown, Ulrich J. Warring, Robert Jordens, John D. Jost, David P. Pappas, Dietrich Leibfried, David J. Wineland, Kyle McKay
… an in situ Ar + - beam cleaning procedure, and measuring ion heating rates before and after cleaning the trap … 100-Fold Reduction of Electric-Field Noise in an Ion Trap Cleanded with In Situ Argon-Ion-Beam Bombardment …

Steady-state spin synchronization through the collective motion of trapped ions

March 22, 2017
Author(s)
Athreya Shankar, John Cooper, Justin G. Bohnet, Murray Holland, John Bollinger
… We design a system with a primary and secondary species of ions that share a common set of normal modes of vibration. In … by sympathetic cooling with the secondary species of ions, to mediate spin synchronization in the primary species of ions. Our numerical study shows that spin-spin correlations …

Chain and Ion Dynamics in Precise Polyethylene Ionomers

October 11, 2019
Author(s)
Christopher L. Soles, Amalie Frischknecht, Benjamin Paren, Robert Middleton, Karen Winey, Jason Koski, Madhu Sudan Tyagi, Jacob Daniel Tarver
… sufficiently fast to observe the early stages of lithium ion motion and ionic aggregate rearrangements. In the … ionomers with isolated ionic aggregates, the Li-ion containing aggregates rearrange by a process of merging … polyelectrolyte, ionomer, ion transport, neutron scattering, energy storage, molecular …

Neutron Scattering Studies of Lithium-Ion Diffusion in Ternary Phosphate Glasses

June 30, 2016
Author(s)
Gavin Hester, Tom Heitmann, Madhu Sudan Tyagi, Munesh Rathore, Anshuman Dalvi, Saibal Mitra
… modification of the structure and to an increase lithium ion (Li + ) conduction. We find that an increase of Li 2 SO 4 … Lithium ion diffusion, neutron scattering … Neutron Scattering Studies of Lithium-Ion Diffusion in Ternary Phosphate Glasses …

Microwave quantum logic gates for trapped ions

August 11, 2011
Author(s)
Dietrich G. Leibfried, Christian Ospelkaus, Ulrich J. Warring, Yves Colombe, Kenton R. Brown, J. M. Amini, David J. Wineland
… processing, simulation and chemistry. For trapped atomic ions, the quantized motional and internal degrees of freedom … coherently manipulate the internal quantum states of the ions on time scales of 20 ns. We also generate entanglement … microwave control, quantum information processing, trapped ions …

yocto-Newton force detection sensitivity using trapped ions

August 22, 2010
Author(s)
Michael J. Biercuk, Joseph W. Britton, Hermann Uys, Aaron Vandevender, John Bollinger
… small external forces. In a host of formats trapped atomic ions have been proposed as ideal candidates for the detection … as small as 174 yN (yocto = 10 -24 ) using a crystal of 60 ions. Force detection sensitivity using this crystal is … yocto-Newton force detection sensitivity using trapped ions …

VECSEL systems for quantum information processing with trapped beryllium ions

March 10, 2023
Author(s)
Shaun C. Burd, Jussi-Pekka Penttinen, Panyu Hou, Hannah Knaack, Sanna Ranta, Mika Maki, Emmi Kantola, Mircea Guina, Daniel Slichter, Dietrich Leibfried, Andrew C. Wilson
… for quantum information processing with trapped beryllium ions. Each system consists of a compact, single-frequency, … mW of 313 nm light that is used to laser cool trapped 9Be+ ions and quantum state preparation and detection. The 313 nm … for quantum information processing with trapped beryllium ions …

Observation of Latent Reliability Degradation in Ultra-Thin Oxides after Heavy-Ion Irradiation

February 18, 2002
Author(s)
John S. Suehle, Bin Wang, J. F. Conley, Eric M. Vogel, Peter Roitman, C E. Weintraub, A. H. Johnston, J B. Bernstein
… irradiation had no affect on oxide lifetime. The heavy ion irradiation substantially reduced oxide life even though … stress conditions was a strong function of the heavy ion fluence. … heavy-ion irradiation, reliability, oxide breakdown, radiation … Reliability Degradation in Ultra-Thin Oxides after Heavy-Ion Irradiation …

Measurement of Calcium Activity in Oral Fluids by Ion Selective Electrode: Method Evaluation and Simplified Calculation of Ion Activity Products

March 1, 2000
Author(s)
Clifton M. Carey, Gerald L. Vogel
… activity in very small plaque fluid samples is by micro ion-selective electrode (ISE). Two commercially available … made with micro ISEs that contained the neutral ion-carrier of whole plaque samples and plaque fluid samples … simplified calculation method is presented to estimate the ion activity product (IAP) of the calcium-phosphate minerals. …

Golden aspect ratio for ion transport simulation in nanopores

July 5, 2018
Author(s)
Subin Sahu, Michael P. Zwolak
… i.e., regimes of interest to transport through biological ion channels and nanopores. Outside of linear response, it … Ion transport, nanopores, access resistance, ion channels … Golden aspect ratio for ion transport simulation in nanopores …

Water Dissociation in the Presence of Metal Ions

October 16, 2008
Author(s)
Orkid Coskuner, Emily Jarvis, Thomas C. Allison
… Hydrated metal ions are important in a variety of biological and … of the dynamic local environment associated with these ions remains elusive. We report ab initio molecular dynamics … molecular dynamics, Eigen mechanism, Grotthuss, metal ions, transition path sampling, water dissociation, Zundel …

Entangled states of trapped atomic ions

June 19, 2008
Author(s)
Rainer Blatt, David J. Wineland
… and quantum information processing that use trapped ions.  It is intended to give a brief summary of the status … quantum control, quantum-state engineering, trapped ions … Entangled states of trapped atomic ions …

Ion Optical Clocks and Quantum Information Processing

May 1, 2003
Author(s)
David J. Wineland, James C. Bergquist, Till P. Rosenband, Piet Schmidt, Wayne M. Itano, John J. Bollinger, Dietrich G. Leibfried, W Oskay
… Ion Optical Clocks and Quantum Information Processing …

Channeling-Induced Asymmetric Distortion of Depth Profiles from Polycrystalline-TiN/Ti/TiN(001) Trilayers During Secondary Ion Mass Spectrometry

May 1, 2000
Author(s)
G Ramanath, J E. Greene, I Petrov, J E. Baker, L H. Allen, J Greg Gillen
… and molecular secondary ions are observed during secondary ion mass spectrometry (SIMS) analyses of polycrystalline-TiN/Ti/TiN(001) trilayers using a Cs+ ion beam. The sputter-etching rate R and the secondary ion yield Y from TiN(002) layers are strongly dependent on …
Displaying 201 - 225 of 2537
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