U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 13126 - 13150 of 73927

Selective Gas Adsorption in Highly Porous Chromium(II)-Based Metal-Organic Polyhedra

September 27, 2017
Author(s)
Gregory R. Lorzing, Benjamin Trump, Craig Brown, Eric D. Bloch
The synthesis and characterization of two novel chromium(II)-based cuboctahedral metal-organic polyhedra is reported. The alkane functionalized analog, Cr_ tBu-bdc ( tBu-bdc = 5-tertbutylbenzene-1,3-dicarboxylate) exhibits excellent thermal stability

Timestamp Temporal Logic (TTL) for Time Testing of Cyber-Physical Systems

September 27, 2017
Author(s)
Mohammadreza Mehrabian, Mohammad Khayatian, Aviral Shrivastava, John Eidson, Patricia Derler, Hugo A. Andrade, Ya-Shian Li-Baboud, Edward Griffor, Marc A. Weiss, Kevin Stanton
In order to test the performance and verify the correctness of Cyber-Physical Systems (CPS), the timing constraints on the system behavior must be met. Signal Temporal Logic (STL) can efficiently and succinctly capture the timing constraints on a given

Updating the Keys for DNS Security

September 27, 2017
Author(s)
Scott W. Rose, Larry Feldman, Gregory A. Witte
To help maintain the reliability and integrity of the Internet’s Domain Name System (DNS), NIST is working with specialists from around the world to update the keys used by the DNS Security Extensions (DNSSEC) protocol to authenticate DNS data and avoid

Wireless Activities in the 2 GHz Radio Bands in Industrial Plants

September 27, 2017
Author(s)
Yongkang Liu, Nader Moayeri
Wireless connections are becoming popular in industrial environments that increasingly carry sensing and actuation data over the air. In industrial plants, activities of legacy wireless systems have shaped the channel usage in the radio spectrum bands for

A Network Measurement Framework for Named Data Networks

September 26, 2017
Author(s)
Davide Pesavento, Omar Ilias El Mimouni, Eric E. Newberry, Lotfi Benmohamed, Abdella Battou
In this poster, we propose a network measurement framework for NDN. We define the goals of network measurement and discuss how these goals can be achieved by identifying the necessary measurement operations that must be built on top of NDN's primitives

Assessment of extracellular vesicles purity using proteomic standards

September 26, 2017
Author(s)
Tingting Wang, Kyle Anderson, Illarion Turko
The increasing interest in extracellular vesicles (EVs) research is fueled by reports indicating their unique role in intercellular communication and potential connection to the development of common human diseases. The unique role assumes unique protein

In situ Angstrom-to-Micrometer Characterization of the Structural and Microstructural Changes in Kaolinite on Heating using Ultra-Small-Angle, Small-Angle, and Wide-Angle X-ray Scattering (USAXS/SAXS/WAXS)

September 26, 2017
Author(s)
Fan Zhang, Andrew J. Allen, Greeshma Gadikota
In this study, synchrotron-based in-operando multi-scale X-ray scattering analyses are used to connect the microstructural changes to the phase changes in kaolinite on heating from 30 °C to 1150 °C. Combined ultra-small-angle and small-angle X-ray

NDN-Trace: A Path Tracing Utility for Named Data Networking

September 26, 2017
Author(s)
Siham Khoussi, Davide Pesavento, Lotfi Benmohamed, Abdella Battou
In this paper we propose NDN-Trace, a path tracing utility to determine the characteristics of the available paths to reach a given name prefix in NDN-based networks. While the traceroute tool in IP networks is based on an iterative process, with each

Reference Correlations for the Viscosity and Thermal Conductivity of n-Undecane

September 26, 2017
Author(s)
Marc J. Assael, T.B. Papalas, Marcia L. Huber
This paper presents new wide-ranging correlations for the viscosity and thermal conductivity of n-undecane based on critically evaluated experimental data. The correlations are designed to be used with a recently published equation of state that is valid

Spin-orbit torques from interfacial spin-orbit coupling for various interfaces

September 26, 2017
Author(s)
Kyoung-Whan Kim, Kyung Jin Lee, Jairo Sinova, Hyun-Woo Lee, Mark D. Stiles
We use a perturbative approach to study the effects of interfacial spin-orbit coupling in magnetic multilayers by treating the two-dimensional Rashba model in a fully three-dimensional description of electron transport near an interface. This formalism

Structural and Magnetic Phase Transitions in Chromium Nitride Thin Films Grown by RF Nitrogen Plasma Molecular Beam Epitaxy

September 26, 2017
Author(s)
Khan Alam, Steven M.T. Disseler, William D. Ratcliff, Julie Borchers, Rodrigo Ponce-Perez, Gregorio H. Cocoletzi, Noboru Takeuchi, Andrew Foley, Andrea Richard, David C. Ingram, Arthur R. Smith
A magneto-structural phase transition is investigated in single crystal CrN thin films grown by rf plasma molecular beam epitaxy on MgO(001) substrates. While still within the vacuum environment following MBE growth, in-situ variable low-temperature

Toward 3D printed hydrogen storage materials made with ABS-MOF composites

September 26, 2017
Author(s)
Megan C. Kreider, Zeeshan Ahmed, Makfir Sefa, James A. Fedchak, Julia Scherschligt, Michael Bible, Nikolai Klimov, Bharath Natarajan, Hartings Mathew
The push to advance efficient, renewable, and clean energy sources has brought with it an effort to generate materials that are capable of storing hydrogen. Metal-organic framework materials (MOFs) have been the focus of many such studies as they are

Advancements in Spintronics

September 25, 2017
Author(s)
Hideo Ohno, Mark D. Stiles, Bernard Dieny
Spintronics is the concept of using the spin degree of freedom to control electrical current to expand the capabilities of electronic devices. Over the last 10 years' considerable progress has been made. This progress has led to technologies ranging from

Application Container Security Guide

September 25, 2017
Author(s)
Murugiah P. Souppaya, John Morello, Karen Scarfone
Application container technologies, also known as containers, are a form of operating system virtualization combined with application software packaging. Containers provide a portable, reusable, and automatable way to package and run applications. This

Local measurements of photocurrent and band gap in CdTe solar cells

September 25, 2017
Author(s)
Yohan Yoon, Jungseok Chae, Aaron M. Katzenmeyer, Heayoung Yoon, Joshua D. Schumacher, Sang M. An, Andrea Centrone, Nikolai B. Zhitenev
Polycrystalline thin film technology has shown great promise for low cost, high efficiency photovoltaics. To further increase the power efficiency, a firm understanding of microstructural properties of the devices is required. In this work, we investigate

Simulating a Virtual Machining Model in an Agent-Based Model for Advanced Analytics

September 25, 2017
Author(s)
David J. Lechevalier, Seungjun Shin, Sudarsan Rachuri, Sebti Foufou, Yung-Tsun T. Lee, Abdelaziz Bouras
Monitoring the performance of manufacturing equipment is critical to ensure the efficiency of manufacturing processes. Machine-monitoring data allows measuring manufacturing equipment efficiency. However, acquiring real and useful machine-monitoring data

Ultrafast Laser Eyewear Protection: Measurements and Precautions

September 25, 2017
Author(s)
Christopher J. Stromberg, Joshua A. Hadler, Brian Alberding, Edwin J. Heilweil
Ultrafast laser systems are becoming more widespread throughout the research and industrial communities yet eye protection for these high power, bright pulsed sources still require scrupulous characterization and testing before use. Femtosecond lasers

Update on Bio-refining and Nanocellulose Composite Materials Manufacturing

September 25, 2017
Author(s)
Michael T. Postek, Dianne L. Poster
Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiff ness, unique photonic and piezoelectric properties, high stability and uniform structure. One of the factors limiting the potential of

Efficient Separation of Ethylene from Acetylene/Ethylene Mixtures by a Flexible-Robust Metal-Organic Framework

September 24, 2017
Author(s)
Libo Li, Rui-Biao Lin, Rajamani Krishna, Xiaoqing Wang, Bin Li, Hui Wu, Jinping Li, Wei Zhou, Banglin Chen
During the production of polymer-grade ethylene, trace amounts of acetylene (about 1%) in the ethylene feed needs to be reduced to 40 parts per million (ppm). We herein report a metal-organic framework (MOF) of flexible-robust nature for efficient removal

Molecular Rigidity, Excess Entropy, and Enthalpy-Entropy Compensation in DNA Melting

September 24, 2017
Author(s)
Jack F. Douglas, Fernando Vargas-Lara, Francis W. Starr
Enthalpy-entropy compensation (EEC) is observed in diverse molecular binding processes of vital importance to living systems and manufacturing applications, but this widely occurring phenomenon is not well understood from a molecular physics standpoint. To

Methods for Channel Sounder Measurement Verification

September 23, 2017
Author(s)
Kate Remley, Camillo Gentile, Alenka Zajic, Jeanne Quimby
We describe an activity of the 5G mmWave Channel Sounder Alliance to verify the hardware performance of channel sounders operating at mmWave frequencies. Such verification procedures are critical when attempting to compare data from sounders having
Displaying 13126 - 13150 of 73927
Was this page helpful?