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NIST Authors in Bold

Displaying 676 - 700 of 4258

Light-Cured Dimethacrylate-Based Resins and Their Composites: Comparative Study of Mechanical Strength, Water Sorption and Ion Release

July 30, 2008
Author(s)
Justin N. O'Donnell, Sarah Langhorst, Michael D. Fow, Joseph M. Antonucci, Drago Skrtic
… flexure strength (BFS), water sorption (WS) and mineral ion release upon immersion in HEPES-buffered saline solution … higher than the BFS of the corresponding ACP composites. Ion release data indicated that a minimum mass fraction of 35 … amorphous calcium phosphate, composites, ion release, mechanical strength, photo-polymerization, water …

New Infrared Beamline at the NIST SURF II Storage Ring

October 1, 1997
Author(s)
Angela R. Hight Walker, Uwe Arp, Gerald T. Fraser, Thomas B. Lucatorto, J Wen
… were undertaken to help assess the utility of SURF II as a submillimeter and far-infrared source. … New Infrared Beamline at the NIST SURF II Storage Ring …

Building Blocks for a Scalable Quantum Information Processor Based On Trapped Ions

January 1, 2003
Author(s)
Dietrich G. Leibfried, Murray D. Barrett, A Ben-kish, Joseph W. Britton, J Chiaverini, B. L. DeMarco, Wayne M. Itano, Branislav M. Jelenkovic, John D. Jost, Christopher Langer, D Lucas, V Meyer, Till P. Rosenband, M A. Rowe, T Schaetz, David J. Wineland
… a Scalable Quantum Information Processor Based On Trapped Ions …

Structure-Property Relationships at Nafion Thin-Film Interfaces: Thickness Effects on Hydration and Anisotropic Ion Transport

April 3, 2018
Author(s)
Steven C DeCaluwe, Andrew M. Baker, Pavan Bhargava, John E. Fischer, Joseph Dura
… which are compared to published results to estimate the ion mobility in the sample layers. Results demonstrate that … required for accurate conductivity predictions, and that ion mobility decreases as a function of proximity to the … Interfaces: Thickness Effects on Hydration and Anisotropic Ion Transport …

Physical Properties of LiMn 2-x MxO 4 (M = Ni, Fe) Sol-Gel Nanopowders

December 15, 2014
Author(s)
E. Talik, L. Lipinska, A. Guzik, Pawel Zajdel, M. Michalska, M. Szubka, M. Kadziolka-Gawel, Rick L. Paul
… spectroscopy also confirmed 3+ oxidation state of iron and its location on octahedral sites, which excluded the … XPS examinations showed that Mn 3+ ions dominate in the iron substituted series whereas the Mn 4+ is dominant in the …

Enthalpies of Dilution of NdCl 3 (aq) at Temperatures from 297.89 K to 372.08 K and an Extended Pitzer Ion-Interaction Model for the NdCl 3 + H 2 O System

March 1, 2004
Author(s)
C S. Oakes, J A. Rard, Donald G. Archer
… to yield the parameters of an exended form of Pitzer's ion-interaction model valid to high molalities and for the … activity coefficient, enthalpy, heat capacity, ion-interaction, neodymium chloride, phase equilibrium, … from 297.89 K to 372.08 K and an Extended Pitzer Ion-Interaction Model for the NdCl 3 + H 2 O System …

EUV spectra from N-shell ions of Gd, Dy and W

September 23, 2013
Author(s)
Deirdre Kilbane, John D. Gillaspy, Yuri Ralchenko, Joseph Reader, G. O'Sullivan
… radiation from gadolinium, dysprosium and tungsten ions with an open n=4 shell were performed at the National Institute of Standards and Technology. The ions were produced and confined in an electron beam ion trap … EUV spectra from N-shell ions of Gd, Dy and W …

In-plane Uniaxial Pressure-Induced Out-of-Plane Antiferromagnetic Moment and Critical Fluctuations in BaFe 2 As 2

November 12, 2020
Author(s)
Panpan Liu, Mason L. Klemm, Long Tian, Xingye Lu, Yu Song, David W. Tam, Karin Schmalzl, J. T. Park, Yu Li, Guotai Tan, Yixi Su, Frederic Bourdarot, Yang Zhao, Jeffrey W. Lynn, Robert J. Birgeneau, Pengcheng Dai
… used as an effective method to acquire single domain iron pnictide BaFe 2 As 2 , which exhibits twin-domains … Iron Superconductor, uniaxial pressure, magnetic structure, …

Extended EUV and UV Spectrum of Ne II

July 1, 2006
Author(s)
Alexander Kramida, C M. Brown, Uri Feldman, Joseph Reader
… spectrometer. Based on the recorded spectra 75 new Ne II lines have been observed between 286 and 325 , resulting … Extended EUV and UV Spectrum of Ne II …

Atomic Physics in Ion Traps

March 1, 1997
Author(s)
C Monroe, John Bollinger
… Ion traps allow researchers to control the position and … Atomic Physics in Ion Traps …

Thick Sintered Electrode Lithium-Ion Battery Discharge Simulations: Incorporating Lithiation-Dependent Electronic Conductivity and Lithiation Gradient due to Charge Cycle

April 21, 2021
Author(s)
Daniel S. Hussey, Jacob LaManna, David L. Jacobson, Gary Koenig
… In efforts to increase the energy density of lithium-ion batteries, researchers have attempted to both increase … Thick electrode, Modeling, Discharge Simulation, Lithium-Ion Battery … Thick Sintered Electrode Lithium-Ion Battery Discharge Simulations: Incorporating …

Iron Oxide Nanoparticles as Positive T1 Contrast Agents for Low-Field Magnetic Resonance Imaging at 64 mT

July 17, 2023
Author(s)
Samuel Oberdick, Kalina Jordanova, John Lundstrom, Giacomo Parigi, Megan Poorman, Gary Zabow, Katy Keenan
… We have investigated the efficacy of superparamagnetic iron oxide nanoparticles (SPIONs) as positive T1 contrast … magnetic resonance imaging (MRI) at 64 millitesla (mT). Iron-oxide based agents, such as the FDA-approved … Iron Oxide Nanoparticles as Positive T1 Contrast Agents for …

Using Terahertz Waves to Identify the Presence of Goethite via Antiferromagnetic Resonance

April 24, 2017
Author(s)
Edward J. Garboczi, David F. Plusquellic, Robert D. McMichael, Virgil Provenzano, Paul E. Stutzman, Jack T. Surek, Shin G. Chou, Shuangzhen Wang
… spectral signature. A signature specific to the type of iron oxide corrosion would not only confirm the presence of … resonances, allowing identification of goethite, a common iron corrosion product and geological mineral, precisely via … This measurement technique has the potential for detecting iron- bearing oxides of corrosion underneath polymeric …

Scalable Quantum Logic Spectroscopy

November 2, 2022
Author(s)
Kaifeng Cui, Jose Valencia, Kevin Boyce, Ethan Clements, David Leibrandt, David Hume
… In quantum logic spectroscopy (QLS), one species of trapped ion is used as a sensor to detect the state of an otherwise inaccessible ion species. This extends precision measurements to a broader … to address the problem of scaling QLS to larger ion numbers. We demonstrate the basic features of this method …

Colloquium: Ionic phenomena in nanoscale pores through 2D materials

June 27, 2019
Author(s)
Subin Sahu, Michael P. Zwolak
… Ion transport through channels and nanoscale pores cuts … develop filtration and sensing technologies, encompassing ion exclusion membranes, DNA sequencing, single molecule … We will discuss both the physics and applications of ion transport and sensing in 2D membranes. …

Depth Profiling Using C 60 + SIMS Deposition and Topography Development During Bombardment of Silicon

July 30, 2006
Author(s)
John G. Gillen, J Batteas, Chris A. Michaels, P Chi, John A. Small, Eric S. Windsor, Albert J. Fahey, Jennifer R. Verkouteren, W Kim
… A C60+ primary ion source has been coupled to an ion microscope SIMS instrument to examine sputtering of … also observed on silicon substrates after high primary ion dose C60+ bombardment. … cluster bombardment, depth profiling, fullerene, ion source, secondary ion mass spectrometry …

SURF III - A New Electron Storage Ring at NIST

October 15, 1999
Author(s)
R A. Bosch, D E. Eisert, Mitchell L. Furst, R M. Graves, L Greenler, A D. Hamilton, L R. Hughey, R P. Madden, P Robl, Ping-Shine Shaw, W S. Trzeciak, Robert E. Vest, D Wahl
… It was converted to an electron storage ring, SURF II, in 1974 under contract with the Physical Sciences … a circular orbit. However the original 140-ton laminated iron core magnet has been replaced with one having a 200-ton solid iron core of revised geometry, allowing operation over an …

Electrostatically Driven Polymer Translocation Through a Narrow Pore

January 1, 2000
Author(s)
Z Konkoli, T Ambjornsson, S P. Apell, John J. Kasianowicz
… use (i) the number of polymer segments in the pore and (ii) the position of DNA end segment for polymer inside and … dynamics is described by corresponding (i) one and (ii) three dimensional Fokker-Planck equations. The model … DNA, Fokker-Planck, ion channel, polymer, polynucleotide, transport …
Displaying 676 - 700 of 4258
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