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Search Publications

NIST Authors in Bold

Displaying 526 - 550 of 4633

Implementation of the semiclassical quantum Fourier transform in a scalable system

May 13, 2005
Author(s)
J Chiaverini, Joseph W. Britton, Dietrich G. Leibfried, Emanuel H. Knill, Murray D. Barrett, Brad R. Blakestad, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Tobias Schaetz, David J. Wineland
… quantum Fourier transform in a system of three beryllium ion qubits confined in a segmented multi-zone trap. We apply the transform to several input states of … the quantum Fourier transform to a larger number of ion qubits as required for a useful quantum factoring …

Domain Wall Traps for Low-Field Switching of Submicron Elements

May 1, 2000
Author(s)
Robert D. McMichael, J G. Eicke, Michael J. Donahue, Donald G. Porter
… of the same size. The switching times for the domain wall traps are shown to be comparable to those of rectangular … Domain Wall Traps for Low-Field Switching of Submicron Elements …

Jovian Auroral Ion Precipitation: X-Ray Production from Oxygen and Sulfur Precipitation

December 9, 2019
Author(s)
Heman Gharibnejad, David Schultz, Thomas Cravens, Stephen Houston, W. R. Dunn, D. K. Haggerty, A. M. Rymer, B. H. Mauk, N. Ozak
… made to model X-ray emission from both bremsstrahlung and ion precipitation into Jupiter’s polar caps. Electron … observed by earth-orbit-based X-ray observatories. Heavy ion precipitation was able to reproduce strong X-ray fluxes, but the proposed incident ion energies were very high ($> $1 MeV/nucleon). Now with the …

Laboratory Astrophysics Survey of Key X-Ray Diagnostic Lines Using a Microcalorimeter on an Electron Beam Ion Trap

September 1, 2000
Author(s)
E Silver, H. Schnopper, Simon R. Bandler, N Brickhouse, S Murray, M Barbera, E Takacs, John D. Gillaspy, James V. Porto, I Kink, J M. Laming, N. Madden, D Landis, J. Beeman, E. E. Haller
… Cosmic plasma conditions created in an Electron Beam Ion Trap (EBIT) make it possible to simulate the dependencies … Lines Using a Microcalorimeter on an Electron Beam Ion Trap …

Impact Energy Dependence of SF 5 + Ion Beam Damage of Poly(Methyl Methacrylate) Studied by Time-of-Flight Secondary Ion Mass Spectrometry

February 19, 2017
Author(s)
M S. Wagner, J Greg Gillen
… Recent advances in instrumentation for Secondary Ion Mass Spectrometry (SIMS) have focused on the application … polyatomic primary ions for enhancing molecular secondary ion signals of organic materials. A few studies have also … the unusual characteristic of maintaining their molecular ion signals after extended bombardment with polyatomic ion …

Relaxation timescales and decay of correlations in a long-range interacting quantum simulator

August 1, 2013
Author(s)
John J. Bollinger, Mauritz van den Worm, Rytis Paskauskas, Brian C. Sawyer, Michael Kastner
… also for the interpretation of data from cold atom or ion experiments. Here we study the time evolution of … these results for benchmarking a recently developed ion-trap based quantum simulator. … ion trap, Ising model, long-range interactions, quantum …

NIST-NPL Bilateral Comparison of Guarded-Hot-Plate Laboratories from 20 degC to 160 degC

January 3, 2020
Author(s)
Robert R. Zarr, Jiyu Wu, Hung-Kung Liu
… A bilateral study to compare guarded-hot-plate measurements at extended temperatures be-tween … Bilateral, Fibrous glass mat, Guarded hot plate, Industrial insulation, Interlaboratory comparison, … NIST-NPL Bilateral Comparison of Guarded-Hot-Plate Laboratories from 20 degC to 160 degC …

Synthesis, Structure, and Ion Conduction of Potassium Carbazolides for Potassium Ion Solid-State Electrolytes

September 20, 2024
Author(s)
Jiaquan Guo, Yang Yu, Khai Chen Tan, Qijun Pei, Zhao Li, Yuting Wang, Alexis Munyentwali, Hui Wu, Teng He, Ping Chen
… Potassium ion batteries gradually have aroused worldwide interest due … However, the research on the solid-state potassium-ion batteries is at its very early stage. The lack of … potassium solid-state electrolyte, potassium-ion battery, fast ion conduction, potassium carbazolide …

A single-beam slower and magneto-optical trap using a nanofabricated grating

June 11, 2019
Author(s)
Daniel S. Barker, Eric B. Norrgard, Nikolai N. Klimov, James A. Fedchak, Julia K. Scherschligt, Stephen P. Eckel
… diffraction grating to generate a magneto- optical trap (MOT) using a single input laser beam. An aperture in … laser cooling, magneto-optical trap, zeeman slower, cold core technology, cold atom vacuum … A single-beam slower and magneto-optical trap using a nanofabricated grating …

Real-Time Size Discrimination and Elemental Analysis of Gold Nanoparticles using ES-DMA coupled to ICP-MS

January 22, 2013
Author(s)
Sherrie R. Elzey, De-Hao D. Tsai, Lee L. Yu, Michael R. Winchester, Michael E. Kelley, Vincent A. Hackley
… capacity to quantitatively characterize aqueous suspended gold nanoparticles (AuNPs) based on a combination of … DMA, electrospray, gold, nanoparticle, ICP-MS, quantitative analysis … Real-Time Size Discrimination and Elemental Analysis of Gold Nanoparticles using ES-DMA coupled to ICP-MS …

Pinhole X -ray camera photos of an ECR ion source plasma

November 1, 2011
Author(s)
Lawrence T. Hudson, Sandor Biri, E Takacs, R. Racz, J. Palinkas
… resolved images of an electron cyclotron resonance (ECR) ion source generated plasma. The method has good spatial … Pinhole X -ray camera photos of an ECR ion source plasma …

Initial testing of a Si:As blocked-impurity-band (BIB) trap detector

October 31, 2012
Author(s)
Solomon I. Woods, Simon G. Kaplan, Timothy M. Jung, Adriaan C. Carter, James E. Proctor
… test results of a Si:As blocked-impurity-band (BIB) trap detector. The trap consists of two rectangular BIB devices configured in a … temperature of 9 K. A simple ray-tracing model of the trap, along with data on the quantum yield of typical BIB … BIB detector, blocked-impurity-band detector, trap detector, infrared detector, long wavelength IR …

Fabrication of Specimens for Atom Probe Tomography using a Combined Gallium and Neon Focused Ion Beam Milling Approach

August 16, 2023
Author(s)
Frances Allen, Paul Blanchard, David Pappas, Russell Lake, Deying Xia, John Notte, Ruopeng Zhang, Andrew Minor, Norman A. Sanford
… We demonstrate a new focused ion beam sample preparation method for atom probe tomography. … The key aspect of the new method is that we use a neon ion beam for the final tip shaping after conventional annulus milling using gallium ions. This dual-ion approach combines the benefits of the faster milling …

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 …

PEGylated Gold Nanorod Separation and Characterization by Asymmetric Field Flow Fractionation Based on Aspect Ratio with UV-Vis Detection

September 5, 2013
Author(s)
Thao M. Nguyen, Julien C. Gigault, Vincent A. Hackley
… (A4F) methodology for biocompatible PEGylated gold nanorods (GNR) without the need for surfactants in the … Field flow fractionation, PEGylation, surface coverage, gold nanorods, hyphenated technique … PEGylated Gold Nanorod Separation and Characterization by Asymmetric …

Orthogonal Analysis of Functional Gold Nanoparticles for Biomedical Applications

September 11, 2015
Author(s)
De-Hao D. Tsai, Yi-Fu Lu, Frank W. DelRio, Tae Joon Cho, Suvajyoti S. Guha, Michael R. Zachariah, Fan Zhang, Andrew J. Allen, Vincent A. Hackley
… and verifiable material characteristics for functionalized gold nanoparticles (AuNPs) used in biomedical applications. … gold nanoparticle, polyethylene glycol, functionalization, … Orthogonal Analysis of Functional Gold Nanoparticles for Biomedical Applications …

Monitoring Ion Current and Ion Energy During Plasma Processing Using Radio-Frequency Current and Voltage Measurements

February 1, 2001
Author(s)
Mark A. Sobolewski
… common diagnostic techniques can be used to measure ion current and ion energy, these techniques areusually not compatible with … by industry. Methods have been proposed for determining ion properties from the applied rf current and voltage, which … current, electrical measurements, energy, flux, ion, plasma processing, process monitoring, radio-frequency …

Stresses in Ion Exchange Layers of Soda-Lime-Silicate Glass

June 1, 2005
Author(s)
Theo Fett, J -. Guin, Sheldon M. Wiederhorn
… stresses that develop as a consequence of sodium/hydrogen ion exchange in soda-lime-silicate glass immersed in water. … of the stress is consistent with earlier findings that the ion-exchange process involves hydronium ions (H 3 O +) and … corrosion, fracture, fracture mechanics, glass, ion exchange …
Displaying 526 - 550 of 4633
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