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NIST Authors in Bold

Displaying 1051 - 1075 of 3757

Grain growth and superconductivity of rhenium electrodeposited from water-in-salt electrolytes

February 25, 2020
Author(s)
William Sides, Ehsan Hassani, David P. Pappas, Yang Hu, Tae-Sick Oh, Qiang Huang
… electrolyte was used to mitigate embrittlement by reducing hydrogen evolution at the cathode where Re is deposited. The … of 220 °C in inert atmospheres. The introduction of hydrogen in the annealing ambient further facilitates this … transition temperature, water-in-salt electrolyte, hydrogen evolution …

Analysis of the Free Ion Nd 3+ Spectrum (Nd IV)

October 12, 2021
Author(s)
J-F Wyart, Ali Meftah, Wan-U Lydia Tchang-Brillet, Norbert Champion, O Lamrous, Nissan Spector, J Sugar
… emission spectrum, energy levels, free-ion, parametric fits, triply ionized, wavelengths … Analysis of the Free Ion Nd 3+ Spectrum (Nd IV) …

Spectrum and Energy Levels of the Nd 4+ Free Ion (Nd V)

October 12, 2021
Author(s)
Ali Meftah, J-F Wyart, Jocelyne Sinzelle, Wan-U Lydia Tchang-Brillet, Norbert Champion, Nissan Spector, J Sugar
… emission spectrum, energy levels, fits, free-ion, parametric, triply ionized, wavelengths … Spectrum and Energy Levels of the Nd 4+ Free Ion (Nd V) …

Role of Nanoparticle Size and Surface Chemistry on Ion Transport and Nanostructure of Perfluorosulfonic Acid Ionomer Nanocomposites

March 7, 2022
Author(s)
Allison Domhoff, Tyler Martin, Eric Davis
… have emerged as a promising solution to the low ion selectivity of ionomer membranes utilized in flow … dispersion state and the resulting morphology and vanadium ion permeability of the composite membranes. Specifically, … Most notably, an approximately 80 % reduction in vanadium ion permeability is observed for ionomer membranes containing …

Quantum amplification of motion of a mechanical oscillator

June 21, 2019
Author(s)
Shaun C. Burd, Raghavendra Srinivas, John J. Bollinger, Andrew C. Wilson, David J. Wineland, Dietrich G. Leibfried, Daniel H. Slichter, David T. Allcock
… quantum noise. We implement this protocol with a trapped-ion mechanical oscillator and measure metrological … Quantum metrology, squeezing, trapped ion …

Investigation of the Charge Compensation Mechanism on the Electrochemically Li-Ion Deintercalated Li 1-x Co 1/3 Ni 1/ 3MN 1/3 O 2 Electrode System by Combination of Soft and Hard X-Ray Absorption Spectroscopy

January 11, 2005
Author(s)
W S. Yoon, Kyung Y. Chung, Xiao-Qing Yang, James McBreen, Mahalingam Balasubramanian, C P. Grey, Daniel A. Fischer
… the major charge compensation at the metal site during Li-ion deintercalation is achieved by the oxidation of Ni2+ … that large portion of the charge compensation during Li-ion deintercalation is achieved in the oxygen site. By … Charge Compensation Mechanism on the Electrochemically Li-Ion Deintercalated Li 1-x Co 1/3 Ni 1/ 3MN 1/3 O 2 Electrode …

Relativistic all-order many-body calculation of energies, wavelengths, and M1 and E2 transition rates for the 3d^n configurations in tungsten ions

January 3, 2018
Author(s)
M S. Safronova, U I. Safronova, S. G. Porsev, M G. Kozlov, Yuri Ralchenko
… the low-lying states are evaluated for W51+ to W54+ ions with 3dn (n = 2 to 5) electronic con gurations using an … are discussed. This rst study of such highly charged ions with the present method opens the way for future … of properties for a very wide range of highly charged ions aimed at providing precision benchmarks for various …

Quantifying and Suppressing Proton Intercalation to Enable High-Voltage Zn-Ion Batteries

November 4, 2021
Author(s)
Fei Wang, Lauren E. Blanc, Qin Li, Antonio Faraone, Xiao Ji, Huaiyu H. Chen-Mayer, Rick L. Paul, Joseph Dura, Enyuan Hu, Kang Xu, Linda F. Nazar, Chunsheng Wang
… We explore the Zn-ion intercalation mechanisms/interfacial dynamics of VPO 4 F … both a high voltage (1.9 V) and long-lasting aqueous zinc-ion battery: Zn|Zn(OTf) 2 ·nH 2 O-PC|Zn x VPO 4 F. … Suppressing Proton Intercalation to Enable High-Voltage Zn-Ion Batteries …

Ne-22 Ion-Beam Radiation Damage to DNA: From Initial Free Radical Formation to Resulting DNA-Base Damage

June 14, 2021
Author(s)
Melis Kant, Pawel Jaruga, Erdem Coskun, Samuel Ward, Alexander Stark, Thomas Baumann, David Becker, Amitava Adhikary, Michael Sevilla, Miral M. Dizdar
… processes and the products of DNA damage involved in Ne-22 ion-beam radiation of hydrated (12±3 H2O/nucleotide) salmon … showed that, as the linear energy transfer (LET) of the ion-beam radiation increases along the beam track, the … Bragg peak is reached. Yields of DNA products along the ion-beam track were in excellent agree-ment with the radical …

Li+ transport in single-ion conducting side-chain polymer electrolytes with nanoscale self-assembly of ordered ionic domains

August 22, 2022
Author(s)
Jiacheng Liu, Lingyu Yang, Phillip Pickett, Bumjun Park, Jennifer Schaefer
… Li-ion batteries based on organic liquid electrolytes have been … that is solvating the lithium cation. Recently, metal-ion containing polymers with regulated, repeating chain architecture have drawn attention as ion conductors due to their ionic domain segregation. In this …

Progress on Optical-clock-based Time Scale at NIST: Simulations and Preliminary Real-Data Analysis

April 20, 2018
Author(s)
Jian Yao, Jeffrey A. Sherman, Tara M. Fortier, Thomas E. Parker, Judah Levine, Joshua J. Savory, Stefania Romisch, William F. McGrew, Robert J. Fasano, Stefan A. Schaeffer, Kyle P. Beloy, Andrew D. Ludlow
… a time scale composed of continuously-operating commercial hydrogen masers and an optical frequency standard that does … Cs fountain, hydrogen maser, Kalman filter, optical clock, Time scale …

Incorporating an Optical Clock into a Time Scale at NIST: Simulations and Preliminary Real-Data Analysis

March 29, 2018
Author(s)
Jian Yao, Jeffrey A. Sherman, Tara M. Fortier, Thomas E. Parker, Judah Levine, Joshua J. Savory, Stefania Romisch, William F. McGrew, Robert J. Fasano, Stefan A. Schaeffer, Kyle P. Beloy, Andrew D. Ludlow
… a time scale composed of continuously-operating commercial hydrogen masers and an optical frequency standard that does … Cs fountain, hydrogen maser, Kalman filter, optical clock, Time scale …

In Situ Neutron Techniques for Studying Lithium Ion Batteries

May 1, 2012
Author(s)
Howard Wang, Robert Gregory Downing, Joseph Dura, Daniel S. Hussey
… We review in situ neutron techniques for studying lithium ion batteries. Four neutron measurement techniques, neutron … In Situ Neutron Techniques for Studying Lithium Ion Batteries …
Displaying 1051 - 1075 of 3757
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