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Displaying 10951 - 10975 of 73832

NIST Conference Papers: Fiscal Year 2016

October 30, 2018
Author(s)
Andrea M. Medina-Smith, Kathryn Miller, Karen J. Wick
NIST is committed to the idea that results of federally funded research are a valuable national resource and a strategic asset. To the extent feasible and consistent with law, agency mission, resource constraints, and U.S. national, homeland, and economic

Mapping Electron Transfer at MoS2 using Scanning Electrochemical Microscopy

October 29, 2018
Author(s)
Nicole L. Ritzert, Veronika Szalai, Thomas P. Moffat
Understanding the role of macroscopic and atomic defects in the interfacial electron transfer properties of layered transition metal dichalcogenides is important in optimizing their performance in energy conversion and electronic devices. Means of

The Complexity and Verification of Quantum Random Circuit Sampling

October 29, 2018
Author(s)
Adam Bouland, William J. Fefferman, Chinmay Nirkhe, Umesh Vazirani
A critical milestone on the path to useful quantum computers is the demonstration of a quantum computation that is prohibitively hard for classical computers -- a task referred to as quantum supremacy. A leading near-term candidate is sampling from the

The Lumberton, North Carolina Flood of 2016: A Community Resilience Focused Technical Investigation

October 29, 2018
Author(s)
John W. van de Lindt, Walter G. Peacock, Judith Mitrani-Reiser, Nathanael Rosenheim, Derya Deniz, Maria Dillard, Tori Tomiczek, Maria Koliou, Andrew Graettinger, Patrick Crawford, Kenneth W. Harrison, Andre Barbosa, Jennifer Tobin, Jennifer Helgeson, Lori Peek, Mehrdad Memari, Elaina Sutley, Sara Hamideh, Donghwan Gu, Stephen A. Cauffman, Juan Fung
In early October 2016 Hurricane Matthew crossed North Caroline as a category 1 storm with some areas receiving 15-18 inches of rainfall on already saturated soil. The NIST-funded Center for Risk-Based Community Resilience Planning teamed with researchers

On Correlating Mixed Forest Fuel Bed Fire Spread Data

October 28, 2018
Author(s)
Jiann Yang
Mixing rules are proposed and used to correlate mixed forest fuel bed fire spread data from the literature using the dimensionless correlations previously developed for single-species forest fuel bed fire spread with the help of dimensional analysis and

Standards-based integration of advanced process control and optimization

October 28, 2018
Author(s)
Guodong Shao, Hasan Latif, Carla Martin, Peter O. Denno
Integration of process control with optimization is critical to Smart Manufacturing (SM). Oftentimes, however, the process control solutions from one vendor do not interoperate with the optimization solutions of another. Incompatibilities among the

Best Practices for Quantification of Uncertainty and Sampling Quality in Molecular Simulations

October 27, 2018
Author(s)
Alan Grossfield, Paul Patrone, Daniel R. Roe, Andrew J. Schultz, Daniel Siderius, Daniel M. Zuckerman
The quantitative assessment of uncertainty and sampling quality is essential in molecular simulation. Many systems of interest are highly complex, often at the edge of current computational capabilities. Modelers must therefore analyze and communicate

Ethane/Ethylene Separation in a Metal-Organic Framework with Iron-Peroxo Sites

October 26, 2018
Author(s)
Libo Li, Rui-Biao Lin, Rajamani Krishna, Hao Li, Shengchang Xiang, Hui Wu, Jinping Li, Wei Zhou, Banglin Chen
The separation of ethane from its corresponding ethylene is a very important challenging and energy-intensive process in the chemical industry. Herein we report a microporous metal-organic framework Fe 2(O 2)(dobdc) (dobdc 4-: 2,5-dioxido-1,4

One Block at a Time Helping to Build Blockchain Knowledge

October 26, 2018
Author(s)
Dylan J. Yaga
This bulletin summarizes the information found in NISTIR 8202: Blockchain Technology overview which provides a high-level technical overview of blockchain technology. It discusses its application to cryptocurrency in depth, but also shows its broader

Thermodynamic Properties of Organic Substances: Experiment, Modeling, and Technological Applications

October 26, 2018
Author(s)
Gennady J. Kabo, Andrey V. Blokhin, Eugene Paulechka, Gennady N. Roganov, Michael D. Frenkel, Iosif A. Yursha, Vladimir Diky, Dzmitry H. Zaitsau, Ala Bazyleva, Vladimir V. Simirsky, Larisa Karpushenkava, Viktor M. Sevruk
In this review, results of the studies of thermodynamic properties of organic substances conducted at the Chemistry Department of the Belarusian State University (Minsk, Belarus) over a period of more than 50 years are summarized. Emphasis is made on

High-speed low-power neuromorphic systems based on magnetic Josephson junctions

October 25, 2018
Author(s)
Michael Schneider, Christine A. Donnelly, Stephen E. Russek
Josephson junctions and single flux quantum (SFQ) circuits form a natural neuromorphic technology with SFQ pulses and superconducting transmission lines simulating action potentials and axons, respectively. Josephson junctions consist of superconducting

Inhomogeneous magnon scattering during ultrafast demagnetization

October 25, 2018
Author(s)
Ronny J. Knut, Erna Delczeg-Czirjak, Somnath Jana, Justin M. Shaw, Hans T. Nembach, Yaroslav Kvashnin, Robert Stefaniuk, Rameez Malik, Patrik Grychtol, Dmitriy Zusin, Christian Gentry, Raghuveer Chimata, Manuel Pereiro, Johan Soderstrom, Emrah Turgut, Martina Ahlberg, Johan Akerman, H C. Kapteyn, Margaret M. Murnane, Dario A. Arena, Olle Eriksson, Olof Karis, Thomas J. Silva
Ni 0.8Fe 0.2 (Py) and Py alloyed with Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe, an effect which is strongly enhanced by Cu alloying. We have studied a broad range of

Particle tracking of microelectromechanical system performance and reliability

October 25, 2018
Author(s)
Craig R. Copeland, Craig D. McGray, Jon C. Geist, Samuel M. Stavis
Microelectromechanical systems (MEMS) that require contact of moving parts to implement complex functions have demonstrated critical limits of performance and reliability. Here, we advance a particle tracking method to measure MEMS motion in operando at

Suppression of Antiferromagnetic Spin Fluctuations in Superconducting Cr 0.8 Ru 0.2

October 25, 2018
Author(s)
M. Ramazanoglu, B. G. Ueland, D. K. Pratt, Leland Harriger, Jeffrey W. Lynn, G. Ehlers, G. E. Granroth, S. L. Bud'Ko, P. C. Canfield, D. Schlagel, A. I. Goldman, T. A. Lograsso, R. J. McQueeney
Although the precise mechanism is under, unconventional superconductivity (SC) is linked to the pairing of electrons by itinerant antiferromagnetic (AFM) spin fluctuations. Thus, unconventional SC often develops in magnetic metals on the cusp of static AFM
Displaying 10951 - 10975 of 73832
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