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NIST Authors in Bold

Displaying 326 - 350 of 1184

Frequency Comb Generation in Superconducting Resonators

October 30, 2014
Author(s)
Robert P. Erickson, Michael Vissers, Martin O. Sandberg, Steven R. Jefferts, David P. Pappas
We have generated frequency combs spanning 0.5 to 20 GHz in superconducting λ=2 resonators at T ¼ 3 K. Thin films of niobium-titanium nitride enabled this development due to their low loss, high nonlinearity, low frequency dispersion, and high critical

Measurement of Small Apertures

March 23, 2006
Author(s)
James A. Fedchak, Adriaan C. Carter, Raju V. Datla
… areas of apertures with diameters ranging from 5 mm to 0.05 mm. NIST already has the capability of determining the …

Characterization of Binary Josephson Series Arrays of Different Types at BNM-LNE and Comparisons with Conventional SIS Arrays

April 1, 2003
Author(s)
Jean-Pierre Lo-Hive, Sophie Djordjevic, Phillippe Cancela, Francois P. Piquemal, Ralf Behr, Charles J. Burroughs, H. Seppa
Three 1-V binary Josephson arrays developed by the NIST, the PTB, and the VTT, and using, respectively, superconductor-normal metal-superconductor (SNS), superconductor-insulator-normal metal-insulator-superconductor (SINIS), and externally shunted

DASA Laser Range Camera Evaluation

November 30, 2000
Author(s)
C Chow, Michael O. Shneier
The DASA Laser Range Camera is a novel sensor that can be used to capture range images over distances from 0.5 meters to 30 meters, depending on the configuration. Unlike most laser ranging devices, it captures a whole image at once, rather than scanning

Proteomic and Lipidomic Plasma Evaluations Reveal Biomarkers for Domoic Acid Toxicosis in California Sea Lions

November 24, 2024
Author(s)
Amie Solosky, Iliana Claudio, Kaylie Kirkwood, Jessie Chappel, Michael Janech, Alison Bland, Frances Gulland, Benjamin Neely, Erin Baker
… compared to the non-DAT individuals (adjusted p < 0.05). Of these proteins, 19 were decreased in the DAT group of … were found to be statistically significant (adjusted p < 0.05 and log2(FC) < −1 or > 1) in the DAT versus non-DAT …

VHF Josephson Arbitrary Waveform Synthesizer

October 1, 2024
Author(s)
Jeremy Thomas, Nathan Flowers-Jacobs, Anna Fox, Akim Babenko, Samuel Benz, Paul Dresselhaus
… Waveform Synthesizer (VHF-JAWS) at frequencies up to 50.05 MHz. The VHF-JAWS chip is composed of a series array of … power into 50 Ω load impedances) at frequencies up to 50.05 MHz, which is more than twice the voltage that has been … varying the dc-current through the JJ array by at least 0.7 mA and the amplitude of the bias pulses by at least 10%. We …

Highly Tunable Magnetic Phases in Transition-Metal Dichalcogenide Fe 1/3+d NbS 2

April 5, 2022
Author(s)
Shan Wu, Zhijun Xu, Shannon Haley, Sophie Weber, Arani Acharya, Eran Maniv, Yiming Qiu, A. A. Aczel, Nicholas S. Settineri, Jeffrey Neaton, James Analytis, Robert Birgeneau
Layered transition metal dichalcogenides (TMDCs) host a plethora of interesting physical phenomena ranging from charge order to superconductivity. By introducing magnetic ions into 2H-NbS 2, the material forms a family of magnetic intercalated TMDCs T xNbS

Evaluating the Operational Impact of Contactless Fingerprint Imagery on Matcher Performance

September 15, 2020
Author(s)
Shahram Orandi, John M. Libert, Bruce Bandini, Kenneth Ko, John D. Grantham, Craig I. Watson
This study set out to examine the operational impact of introducing contactless fingerprint imagery to a modern fingerprint matching system that was designed for touch-collected images in either a standard Ten-Print operational matching pathway or a Mobile

Unraveling Low Abundance Intimate Mixtures with Deep Learning

May 14, 2019
Author(s)
Ronald G. Resmini, Kevin Christiansen, David Allen
The high-confidence detection and identification of very low abundance, subpixel quantities of solid materials in nonlinear/intimate mixtures are still significant challenges for hyperspectral imagery (HSI) data analysis. We compare the ability of a

Dispersion-Strengthened Silver Alumina for Sheathing Bi2Sr2CaCu2O8+x Multifilamentary Wire

February 1, 2012
Author(s)
Amir Kajbafvala, William Nachtrab, Xifeng Lu, Frank Hunte, Xiaotao Liu, Najib Cheggour, Terence Wong, Justin Schwartz
High strength, high modulus dispersion strengthened (DS) silver-aluminum alloys are studied for sheathing Bi 2Sr 2CaCu 2O8 +x (Bi2212) round wire. Dispersion strengthening is an effective method for producing a fine grain metallurgical structure that is

Adhesive bonding to dentin improved by polymerizable cyclodextrin derivatives

January 5, 2009
Author(s)
Rafael L. Bowen, Gary E. Schumacher, Anthony A. Giuseppetti, Kathleen M. Flynn, Charles M. Guttman, Clifton M. Carey
… Formulation: 1 2 3 SBS in MPa (SD): 24.6 (5.4) 13.2 (3.7) 17.4 (4.0) SBS of Formulation 1 was higher (p<0.05) than that of Formulation 2, evincing that the PCDs led to … and was also higher than that of Formulation 3 (p<0.05). Significance. These preliminary results are in …

Mean Recurrence Intervals of Failure Wind Loads

August 1, 2008
Author(s)
Dat Duthinh, Joseph A. Main, Amelia P. Wright, Emil Simiu
… The Commentary to the ASCE Standard 7-05 states that the nominal mean recurrence interval (MRI) … years if the specified load factor is 1.6, as in ASCE 7-05. However, the Commentary also states, it is not likely …

Stiffening of the Extrapulmonary Arteries in Chronic Hypoxic Pulmonary Hypertension

July 1, 2008
Author(s)
Elizabeth S. Drexler, J. E. Bischoff, Christopher N. McCowan, Andrew Slifka, Timothy P. Quinn, R Shandas, Dunbar Ivy, K. R. Stenmark
It is increasingly appreciated that changes in the compliance properties of large blood vessels are critical determinants of ventricular afterload and ultimately dysfunction. Little is known of the mechanical properties of large vessels in the setting of
Displaying 326 - 350 of 1184
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