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Displaying 376 - 400 of 4633

Cooling and Trapping of Atomic Strontium

May 1, 2003
Author(s)
X Xu, T Loftus, John L. Hall, Alan Gallagher, Jun Ye
… the first experimental realization of magnetic trapping of 88 Sr in a metastable state. Furthermore, the … Cooling and Trapping of Atomic Strontium …

Ferroelectricity in Polar Polymer-based FETs: A Hysteresis Analysis

January 15, 2018
Author(s)
Vasileia Georgiou, Dmitry Veksler, Jason Campbell, Jason Ryan, Pragya Shrestha, D. E. Ioannou, Kin P. Cheung
There is an increasing number of reports on polar polymer-based Ferroelectric Field Effect Transistors (FeFETs), where the hysteresis of the drain current - gate voltage (Id-Vg) curve is investigated as the result of the ferroelectric polarization effect

Surface-plasmon enhancement of Brillouin light scattering from gold-nanodisk arrays on glass

September 22, 2007
Author(s)
Zhandos Utegulov, Justin Shaw, B. T. Draine, S. A. Kim, Ward L. Johnson
… bror-aluminosilicate glass covered with periodic arrays of gold nanodisks. This enhancement is attributed to mediation … and Sezawa-like modes, relative to the intensity from a gold film with the same fractional coverage area but without … were used to predict the electric-field intensities in the gold disks and nearby glass as a function of nanodisk …

Cooling of a Single Atom in an Optical Trap Inside a Resonator

July 1, 2001
Author(s)
S J. van Enk, J McKeever, H J. Kimble, Jun Ye
… cooling and trapping mechanisms for an atom in an optical trap inside an optical cavity, as relevant to recent … cavity QED, high finesse resonator, optical dipole trap … Cooling of a Single Atom in an Optical Trap Inside a Resonator …

Ultraviolet Photoemission Spectra of Para-Phenylene-Ethynylene Thiols Chemisorbed on Gold

January 1, 2008
Author(s)
Christopher D. Zangmeister, Roger D. van Zee, Steven W. Robey, N E. Gruhn, Yuxing Yao, J M. Tour
… spectra of para-phenylene-ethynylene thiols chemisorbed on gold have been measured. Four compounds were studied: … energy-level alignment, gold, monolayer, oligo(phenylene-ethynylene, photoemission, … Spectra of Para-Phenylene-Ethynylene Thiols Chemisorbed on Gold

Sensitivity analysis for guarded-hot-plate apparatus: A methodology based on orthogonal experiment designs

September 9, 2014
Author(s)
Robert R. Zarr, James J. Filliben
… Institute of Standards and Technology 500 mm guarded-hot-plate apparatus are presented. The effects of four factors … across the air space separating the central meter plate and the surrounding guard plate, described here as the gap temperature offset (ΔTg). … design, fractional factorial, full factorial, guarded hot plate, high density molded fibrous glass board, orthogonal, …

Purification Chemical Structure Electrical Property Relationship in Gold Nanoparticle Liquids

August 1, 2010
Author(s)
Robert I. MacCuspie, Andrea M. Elsen, Steve J. Diamanti, Steve T. Patton, Igor Altfeder, J. D. Jacobs, Andrey A. Voevodin, Richard A. Vaia
… synthesize nanoparticle liquids from a range of gold nanoparticle starting materials, sized from 6 nm to 20 … Nanoparticle Liquids, Gold Nanoparticles, RF-MEMS Switch … Chemical Structure Electrical Property Relationship in Gold Nanoparticle Liquids …

Accurate Modeling of Benchmark X-ray Spectra from Highly-Charged Ions of Tungsten

October 26, 2006
Author(s)
Y Ralchenko, Joseph N. Tan, John D. Gillaspy, Joshua M. Pomeroy, E Silver
… the benchmark x-ray spectrum of highly-charged tungsten ions in the range between 3 \AA \ and 10 \AA produced in an … spectral lines from Cu-like W$^45+}$ and Ni-like W$^46+}$ ions, led to the re-interpretation of a previously … modeling, high multipoles, highly-charged ions, radiative transitions, tungsten …

Quantifying Dithiothreitol Displacement of Functional Ligands from Gold Nanoparticles

October 27, 2012
Author(s)
De-Hao D. Tsai, Frank W. DelRio, Sherrie R. Elzey, Suvajyoti S. Guha, Michael R. Zachariah, Vincent A. Hackley, Melanie P. Shelton
… is widely utilized for separating ligands from their gold nanoparticle (AuNP) conjugates, a critical step for … is that DTT is smaller and much more reactive toward gold compared with most ligands of interest, and as a result … gold, nanoparticle, dithiothreitol, bovine serum albumin, …

A High-Field, Low-Current Superconducting Ioffe Magnetic Trap

October 12, 2021
Author(s)
S N. Dzhosyuk, C R. Brome, J S. Butterworth, P R. Huffman, C E. Mattoni, D N. McKinsey, R A. Michniak, L Yang, John M. Doyle
… A superconducting Ioffe magnetic trap is designed, built and characterized. The trap consists of four racetrack-shaped quadrupole coils and … thermal expansion. The magnet bore diameter is 105 mm, the trap depth is 1.1 T at 4.2 K. Design, construction and … A High-Field, Low-Current Superconducting Ioffe Magnetic Trap

Bilateral NMI Comparison of Guarded-Hot-Plate Apparatus

April 27, 2014
Author(s)
Alain Koenen, Robert R. Zarr, William F. Guthrie
… States present measurements obtained by the guarded hot plate method. The study involved two materials, expanded … expanded polystyrene, fibrous glass, guarded hot plate, interlaboratory, thermal conductivity, thermal … Bilateral NMI Comparison of Guarded-Hot-Plate Apparatus …

The Mobilities of NO + (CH 3 CN)n Cluster Ions (n=0-3) Drifting in helium-Acetonitrile Mixtures

December 1, 1996
Author(s)
J A. de Gouw, L N. Ding, M Krishnamurthy, H S. Lee, E B. Anthony, V M. Bierbaum, S R. Leone
… The mobilities of NO+(CH 3 CN) n cluster ions (N=0-3) drifting in helium and in mixtures of helium and … of the geometric cross sections of the different cluster ions. The rate constants for the various cluster formation … 2 and NO + (CH 3 CN) 3 , the drift velocities for these ions are found to be strongly dependent on the acetonitrile …

An assessment of retention behavior for gold nanorods in asymmetrical flow field-flow fractionation

September 7, 2018
Author(s)
Hind El Hadri, Julien Gigault, Jiaojie Tan, Vincent A. Hackley
… available cetyltrimethylammonium bromide stabilized gold nanorods (AuNRs), with aspect ratios from 1.7 to 10. … good fits to experimental data. Well characterized gold nanorods (length and diameter by TEM) can be used as … field flow fractionation, gold nanorod, rotational diffusion, translational diffusion, …

Rapid heating of a strongly coupled plasma at the solid-liquid phase transition

January 21, 2005
Author(s)
M J. Jensen, T Hasegawa, John Bollinger, Daniel H. Dubin
… 10 4 and 10 u6 A9Be^+ ions were trapped in a Penning trap and laser-cooled to siml K, where they formed a crystalline plasma. We measured the ion temperature as a function of time after turning off the … laser cooling, Penning trap, phase transition, strongly coupled plasma …

Combinatorial Study of Nickel-Gold P-Contacts for Blue Indium Gallium Nitride Light-Emitting Diodes

October 12, 2021
Author(s)
M T. Ahrens, E B. Stokes, Albert Davydov, Peter K. Schenck, Abhishek Motayed, T R. Harris, S T. Morton
… improvement lies in the optimization of the Nickel-Gold composition of the p-type GaN metal contacts. The work … and performance of LED p-type contacts with varying Nickel-Gold (Ni-Au) compositions. In this work, during the … nitride, indium nitride, light emitting diode, nickel-gold contacts …

Latent Reliability Degradation of Ultra-Thin Oxides after Heavy Ion and Gamma Ray Irradiation

October 18, 2001
Author(s)
Bin Wang, John S. Suehle, Eric M. Vogel, J. R. Conley, C E. Weintraub, A. H. Johnston, J B. Bernstein
… We studied the effects of heavy ion and gamma ray irradiation on radiation-induced leakage … reliability, Time-Dependent Dielectric Breakdown, heavy ion, radiation effects … Reliability Degradation of Ultra-Thin Oxides after Heavy Ion and Gamma Ray Irradiation …
Displaying 376 - 400 of 4633
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