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Search Publications

NIST Authors in Bold

Displaying 10126 - 10150 of 73697

Nanoscale Dynamics of Water Confined in Ordered Mesoporous Carbon

April 1, 2019
Author(s)
Kanae Ito, Antonio Faraone, Madhu Sudan Tyagi, Toshio Yamaguchi, Sow-Hsin Chen
The single particle dynamics of water confined within an ordered mesoporous carbon matrix was investigated in the temperature range from 290 K to 170 K by quasielastic neutron scattering using three high resolution neutron spectrometers. Thus, it was

The PROSPECT Reactor Neutrino Experiment

April 1, 2019
Author(s)
Hans Pieter Mumm, Denis E. Bergeron, Mark Tyra, Jerome LaRosa, Svetlana Nour
The Precision Reactor Oscillation and Spectrum Experiment, PROSPECT, is designed to make both a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and to probe eV-scale sterile neutrinos by searching for neutrino

Electric Field Gradient Reference Material for Scanning Probe Microscopy

March 31, 2019
Author(s)
Joseph Kopanski, Lin You
Any eSPM measurement of a spatially varying electric field at the surface of a sample has a large uncertainty due to the unknown details of the tip shape near the surface. We have designed an electric field gradient reference sample to provide an

Nuclear Magnetic Resonance Study of Anion and Cation Dynamics in CsSiH 3

March 31, 2019
Author(s)
R. V. Skoryunov, O. A. Babanova, A. V. Soloninin, A. V. Skripov, J.-N. Chotard, R. Janot, W. S. Tang, Mirjana NMN Dimitrievska, Terrence J. Udovic
In order to study the dynamical properties of cesium silanide CsSiH 3, we have measured the 1H and 133Cs nuclear magnetic resonance (NMR) spectra and spin-lattice relaxation rates in this compound over the temperature range of 5 K to 354 K. The results of

Switching variability factors in compliance-free metal oxide RRAM

March 31, 2019
Author(s)
Dmitry Veksler, Gennadi Bersuker, A W. Bushmaker, Pragya Shrestha, Kin P. Cheung, Jason Campbell
Switching variability in polycrystalline compliance-free HfO2-based 1R RRAM is evaluated employing ultra-fast low voltage pulse approach. Changes in filament conductivity are linked to the variations of energy released in a switching process. This study

System Distortion Model for the Cross-Validation of Millimeter-Wave Channel Sounders

March 31, 2019
Author(s)
Camillo Gentile, Andreas Molisch, Jack Chuang, Anuraag Bodi, Anmol Bhardwaj, Ozgur Ozdemir, Ismail Guvenc, Zihang Cheng, Thomas Choi, Robert Mueller
Because millimeter-wave directional channel measurements are time-consuming and expensive to collect, there is considerable interest in combining measurement data obtained with different channel sounders in order to yield more comprehensive datasets. The

Interlaboratory Millimeter-Wave Channel Sounder Verification

March 30, 2019
Author(s)
Jeanne Quimby, David G. Michelson, Mustapha Bennai, Kate Remley, Joshua Kast, Alec Weiss
The channel sounder verification program within the National Institute of Standards and Technology-coordinated 5G mmWave Channel Model Alliance aims to place channel sounders on a sound metrological foundation by using well-established laboratory

Low-resistance, high-yield electrical contacts to atom scale Si:P devices using palladium silicide

March 29, 2019
Author(s)
Scott W. Schmucker, Pradeep Namboodiri, Ranjit Kashid, Xiqiao Wang, Binhui Hu, Jonathan Wyrick, Alline Myers, Joshua D. Schumacher, Richard M. Silver, Michael Stewart
Scanning tunneling microscopy (STM) enables the fabrication of 2-D delta-doped structures in Si with atomistic precision, with applications from tunnel field effect transistors to qubits. The combination of a very small contact area and the restrictive

Nanoscale Ferroelastic Twins Formed in Strained LaCoO 3 Films

March 29, 2019
Author(s)
Er-Jia Guo, Ryan Desautels, David Keavney, Manuel A. Roldan, Brian Kirby, Dongkyu Lee, Zhaoliang Liao, Timothy Charlton, Andreas Herklotz, T. Zac Ward, Michael R. Fitzsimmons, Ho Nyung Lee
The formation of twinning domains has been established as a major mechanism to accommodate epitaxial strain in rhombohedral ferroelastic oxide thin films. The elastic energy can be released at the expense of high interfacial energy at the domain boundaries

Versatile laser-free trapped-ion entangling gates

March 28, 2019
Author(s)
R. T. Sutherland, Raghavendra Srinivas, Shaun C. Burd, Dietrich Leibfried, Andrew C. Wilson, David J. Wineland, David T. Allcock, Daniel Slichter, S. B. Libby
We present a general theory for laser-free entangling gates with trapped-ion hyperfine qubits, using either static or oscillating magnetic-field gradients combined with a pair of uniform microwave fields symmetrically detuned about the qubit frequency. By

Voices of First Responders Examining Public Safety Communication Problems and Requested Functionality: Findings from User-Centered Interviews, Phase 1, Volume 2

March 28, 2019
Author(s)
Shanee T. Dawkins, Yee-Yin Choong, Mary F. Theofanos, Kristen Greene, Susanne M. Furman, Michelle P. Steves, Sandra S. Prettyman
The public safety community has a unique opportunity to improve communication technology for incident response with the creation of the national public safety broadband network (NPSBN). Understanding the problems currently being experienced by first

2018 National Institute of Standards and Technology Environmental Scan

March 26, 2019
Author(s)
Jason E. Boehm, Heather Evans, Ajitkumar Jillavenkatesa, Maria Nadal, Mark A. Przybocki, Paul Witherell, Rebecca A. Zangmeister
The 2018 National Institute of Standards and Technology Environmental Scan provide an analysis of the external factors that can influence NIST and the fulfillment of its mission as the agency looks to create a strategic plan for the coming years. The
Displaying 10126 - 10150 of 73697
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