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NIST Authors in Bold

Displaying 2201 - 2225 of 74084

CHESS: The Future Direct Geometry Spectrometer at the Second Target Station

June 1, 2022
Author(s)
G. Sala, M. Mourigal, C. Boone, Nicholas Butch, A. Christianson, O. Delaire, A. J. DeSantis, C. L. Hart, R. Hermann, T. Huegle, D. N. Kent, J. Y. Lin, M. Lumsden, M. Manley, D. G. Quirinale, M. B. Stone, Y. Z.
CHESS is a planned direct geometry neutron chopper spectrometer designed to detect and analyze weak signals intrinsic to small cross-sections (e.g., small mass, small magnetic moments or neutron absorbing materials) in powders, liquids and crystals. CHESS

Fire Resilience of a Steel-Concrete Composite Floor System: Full-Scale Experimental Evaluation for Influence of Slab Reinforcement (Test #2)

June 1, 2022
Author(s)
Lisa Choe, Matthew Hoehler, Matthew Bundy, Rodney A. Bryant, Brian Story, Anthony R. Chakalis, Artur A. Chernovsky, Selvarajah Ramesh, Xu Dai
The National Institute of Standards and Technology is currently conducting a series of large compartment fire tests to investigate the behavior and fire-induced failure mechanisms of the full-scale composite floor assemblies with the two-story steel

Phase Field Benchmark Problems for Nucleation

June 1, 2022
Author(s)
Wenkun Wu, David M. Taboada, Jonathan E. Guyer, Peter W. Voorhees, James A. Warren, Daniel Wheeler, Tamas Pusztai, Laszlo Granasy, Olle G. Heinonen
We present nucleation phase field model benchmark problems, expanding on our previous benchmark problems on diffusion, precipitation, dendritic growth, linear elasticity, fluid flow and electrochemistry. Nucleation is the first step in the formation of

Powder X-ray structural analysis and band gap measurements for (CaxSr2-x)MnWO6 (x = 0.25, 0.5, 0.75, 1.5, 1.75).

June 1, 2022
Author(s)
Winnie Wong-Ng, YuQi Yang, Yu-Cheng Lan, GuangYao Liu, Amrit Kafle, Weifang Liu, Jie Hou, Donald Windover, Qingzhen Huang, Sergiy Krylyuk, James A. Kaduk
The structure, powder diffraction patterns and band gap measurements of a series of manganese- and tungsten-containing alkaline-earth double perovskites (CaxSr2-x)MnWO6 (x=0.25, 0.5, 0.75, 1.5, 1.75) have been investigated. Powder X-ray diffraction

Protocols for leakage testing

June 1, 2022
Author(s)
Henne van Heeren, Matthew Davies, Armelle Keiser, Rudy Lagrauw, Darwin Reyes-Hernandez, Vania Silverio, Nicolas Verplanck
This document is written to serve as a guideline for the testing of microfluidic devices, which are devices designed to manipulate fluids that are confined in a small volume. For instance, a channel with at least one dimension smaller than 1 mm is a

Quantum computational advantage with a programmable photonic processor

June 1, 2022
Author(s)
L.S. Madsen, F. Laudenbach, M.F. Askarani, F. Rortais, T. Vincent, J.F.F. Bulmer, F.M. Miatto, L. Neuhaus, L.G. Helt, Matthew Collins, Adriana Lita, Thomas Gerrits, Sae Woo Nam, V.D. Vaidya, M. Menotti, I. Dhand, Zachary Vernon, N. Quesada, J. Lavoie
The demonstration of quantum computational advantage is a key milestone in the race to build a fully functional quantum computer. This milestone involves showing that a particular quantum device can perform a well-defined computational task in a manner

Reference Material 8376 Microbial Pathogen DNA Standards for Detection and Identification

June 1, 2022
Author(s)
Jason Kralj, Dieter Tourlousse, Monique Hunter, Erica Romsos, Blaza Toman, Peter Vallone, Scott Jackson
Reference Material (RM) 8376 is intended for NGS-based measurements quantitative to the chromosome. A unit of RM 8376 consists of 20 components (A-T, 19 bacteria and 1 human) each containing well-characterized DNA in 10 mmol/L Tris-HCl, 1 mmol/L EDTA pH 8

STEM-in-SEM: A Re-Emerging Material Measurement Approach

June 1, 2022
Author(s)
Bob R. Keller, Benjamin Caplins, Jason Holm
Scanning transmission electron microscopy performed in a scanning electron microscope (STEM-in-SEM) is undergoing a striking resurgence, with continuing developments in methodology and hardware, as well as applications to a wide range of materials in

Surface Feature Characteristics of Laser Powder Bed Fusion of Nickel Super Alloy 625 Bulk Regions

June 1, 2022
Author(s)
Jason Fox, Romaine Isaacs, Aarush Sood, Paul Brackman, Brigid Mullany, Edward Morse, Angela Allen, Edson Santos, Christopher Evans
Coherence scanning interferometry (CSI) and scanning electron microscopy (SEM) surface inspection of additively manufactured nickel super alloy 625 reveal features over a broad range of length scales beyond those typically reported. High resolution

Agile Robotic Planning with Gwendolen

May 31, 2022
Author(s)
John L. Michaloski, Craig I. Schlenoff, Rafael Cardoso, Michael Fisher
The future of robotics foresees autonomous behavior that can complete tasks intelligently, with a focus on adaptability, flexibility, and versatility. In such systems, it is critical for robots to quickly and safely perform an operation. However, such

Assessment of intra-build variations in tensile strength in electron beam powder-bed fusion Ti-6Al-4V part 2: Effects of powder mixing

May 31, 2022
Author(s)
Nicholas Derimow, Jake Benzing, Orion Kafka, Newell Moser, Priya Pathare, Michael Walker, Frank DelRio, Nik Hrabe
In Part 2 of this paper series, high-throughput tensile testing and characterization of porosity, microstructure, and oxygen content was carried out on Ti-6Al-4V samples that were fabricated via electron beam powder-bed fusion (PBF-EB) to test our

Anisotropic Acoustodynamics in Gigahertz Piezoelectric Ultrasonic Transducers

May 30, 2022
Author(s)
Jingjie Cheng, Zhaoliang Peng, Penghui Song, Bo Peng, Jason J. Gorman, Justin Kuo, Amit Lal, Wenming Zhang, Lei Shao
In this work, we employed our newly developed optical imaging method to probe detailed acoustodynamic physics in gigahertz (GHz) unreleased ultrasonic transducers based on an AlN-on-silicon system, revealing mode superposition, anisotropic transduction

5G NR and LTE Coexistence in Public Safety Communications

May 27, 2022
Author(s)
Sneihil Gopal, David W. Griffith
5G New Radio (NR) offers the promise of supporting new Public Safety Communications (PSC) services. Since the majority of the frequency bands worldwide are used by 4th Generation (4G) Long Term Evolution (LTE) and because options such as acquiring new

Implementing NIST Infiltration Correlations

May 27, 2022
Author(s)
Jyrteanna Teo, Lisa Ng
This tutorial is a guide on how to implement the NIST infiltration correlations (Ng et al., 2021) into EnergyPlus building energy simulation software for the US Department of Energy prototype commercial buildings. The implementation can also be generalized

Blockchain for Access Control Systems

May 26, 2022
Author(s)
Vincent C. Hu
The rapid development and wide application of distributed network systems have made network security – especially access control and data privacy – ever more important. Blockchain technology offers features such as decentralization, high confidence, and
Displaying 2201 - 2225 of 74084