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Displaying 626 - 650 of 143793

Prediction of Magnetic Properties in van der Waals Magnets using Graph Neural Networks

November 4, 2024
Author(s)
Kamal Choudhary, Peter Minch, Trevor David Rhone, Romakanta Bhattarai
We study two-dimensional (2D) magnetic materials using state-of-the-art machine learning models that use a graph-theory framework. We find that representing materials as graphs allows us to better learn structure-property relationships by leveraging both

Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations

November 1, 2024
Author(s)
Jon Boyens, Angela Smith, Nadya Bartol, Kris Winkler, Alex Holbrook, Matthew Fallon
Organizations are concerned about the risks associated with products and services that may potentially contain malicious functionality, are counterfeit, or are vulnerable due to poor manufacturing and development practices within the supply chain. These

Electrical Switching the Perpendicular Neel Order in a Collinear Antiferromagnet

November 1, 2024
Author(s)
Wenqing He, Tianyi Zhang, Yongjian Zhou, Caihua Wan, Hao Wu, Baoshan Cui, Jihao Xia, Ran Zhang, Tengyu Guo, Peng Chen, Mingkun Zhao, Leina Jiang, Alexander Grutter, Purnima P. Balakrishnan, Andrew Caruana, Christy Kinane, Sean Langridge, Guoqiang Yu, Cheng Song, Xiufeng Han
Spintronics is based on the electrical manipulation of magnetic order through current-induced spin torques. In collinear antiferromagnets with perpendicular magnetic anisotropy, binary states can be directly encoded in their opposite Néel order. The

Progress in development of characterization capabilities to evaluate candidate materials for direct air capture applications

November 1, 2024
Author(s)
Marcus Carter, Huong Giang Nguyen, Andrew Allen, Feng Yi, Wei-Chang Yang, Avery Baumann, William S. McGivern, Jeffrey A. Manion, Ivan Kuzmenko, Zois Tsinas, Charlotte Wentz, Malia Wenny, Daniel Siderius, Roger van Zee, Christopher Stafford, Craig Brown
As part of U.S. national efforts to combat the detrimental effect of global climate change, the National Institute of Standards and Technology (NIST) was recently tasked to support efforts in direct air capture (DAC) of carbon dioxide research and

Two-fluid model for nonlinear flow of wormlike micelle solutions. I: Model

November 1, 2024
Author(s)
Paul Salipante, Michael Cromer, Steven D. Hudson
We develop a rheological model to approximate the nonlinear rheology of wormlike micelles using two constitutive models to represent a structural transition at high shear rates. The model is intended to describe the behavior of semidilute wormlike micellar

Two-fluid model for nonlinear flow of wormlike micelle solutions. II: Experiment

November 1, 2024
Author(s)
Paul Salipante, Michael Cromer, Steven D. Hudson
Applications often expose wormlike micelle solutions to a very wide range of shear and temperature conditions. The two-species model presented in Part I [Salipante et al., J. Rheol. 68 (2024)] describes the nonlinear rheology over a wide range of shear

Appendix F: Software Security in Supply Chains

October 31, 2024
Author(s)
Jon Boyens
The President's Executive Order (EO) on "Improving the Nation's Cybersecurity (14028)" issued on May 12, 2021, charges multiple agencies – including NIST – with enhancing cybersecurity through a variety of initiatives related to the security and integrity

Data needs and challenges for quantum dot devices automation

October 31, 2024
Author(s)
Justyna Zwolak, Jacob Taylor, Reed Andrews, Jared Benson, Garnett Bryant, Donovan Buterakos, Anasua Chatterjee, Sankar Das Sarma, Mark Eriksson, Eliska Greplova, Michael Gullans, Fabian Hader, Tyler Kovach, Pranav S. Mundada, Mick Ramsey, Torbjoern Rasmussen, Brandon Severin, Anthony Sigillito, Brennan Undseth, Brian Weber
Gate-defined quantum dots are a promising candidate system for realizing scalable, coupled qubit systems and serving as a fundamental building block for quantum computers. However, present-day quantum dot devices suffer from imperfections that must be

Base de referencia de las capacidades de apoyo no tecnicas del IoT

October 30, 2024
Author(s)
Michael Fagan, Katerina Megas, Jeffrey Marron, Kevin Brady, Barbara Cuthill, Rebecca Herold
Las capacidades de apoyo no técnicas son acciones que realiza un fabricante o una organización de terceros en apoyo de la seguridad cibernética de un dispositivo de Internet de las cosas (IoT, por sus siglas en inglés). Esta publicación define una línea

Base Principal da Capacidade de Suporte Nao Tecnico da IoT

October 30, 2024
Author(s)
Katerina Megas, Michael Fagan, Jeffrey Marron, Kevin Brady, Barbara Cuthill, Rebbecca Herold
Recursos de suporte não técnicos são ações que um fabricante ou organização terceirizada executa em apoio à segurança cibernética de um dispositivo IoT. Esta publicação define a base principal de recursos de suporte não técnico dos fabricantes de

Economics of Digital Twins: Costs, Benefits, and Economic Decision Making

October 30, 2024
Author(s)
Douglas Thomas
This report examines the economics of digital twins in the manufacturing industry, including the costs, benefits, and economic decision to invest in the adoption of a digital twin. It characterizes the costs and benefits along with the circumstances under

Magnetic Skin Effect in Pb(Fe1/2Nb1/2)O3

October 30, 2024
Author(s)
Nathan Giles-Donovan, A. D. Hillier, K Ishida, B. V. Hampshire, S. R. Giblin, B. Roessli, Peter Gehring, Guangyong Xu, Xiaobing Li, Haosu Luo, Sandy Cochran, Christopher Stock
Relaxor-ferroelectrics display exceptional dielectric properties resulting from the underlying random dipolar fields induced by strong chemical inhomogeneity. An unusual structural aspect of relaxors is a skin-effect where the near-surface region in single

The U.S. Plastics Recycling Economy: Current State, Challenges, and Opportunities

October 30, 2024
Author(s)
Douglas Thomas, Joshua D. Kneifel, David Butry
This report builds upon NIST AMS 100-48 (Thomas 2022), which examined the economics of increased circularity in the economy, focusing on the processes, forces, and decision making that result in an unsustainable economy. This report further discusses the

Optical Studies of Silicon Color Centers and CC-LEDs for Consideration as Telecom Quantum Light Sources

October 29, 2024
Author(s)
Nikki Ebadollahi, Pradeep Namboodiri, Vijin Kizhake Veetil, Marcelo Davanco, Kartik Srinivasan, Aaron Katzenmeyer, Matthew Pelton, Joshua Pomeroy
We synthesized and studied color centers on silicon-on-insulator wafers with photoluminescence mapping and spectroscopy, and fabricated silicon W- and G- color center LEDs towards electrically-pumped single photon sources.

Phase stabilization with single photon detection for quantum networks

October 29, 2024
Author(s)
Jabir Marakkarakath Vadakkepurayil, Daehyun Ahn, FNU Nur Fajar Rizqi Annafianto, Ivan Burenkov, Abdella Battou, Sergey Polyakov
Maintaining stable phases in interferometric systems and optical links is pivotal for the functionality of diverse quantum communication protocols. However, conventional phase stabilization methods use classical optical signals that may corrupt quantum

Strategic Plan for the Manufacturing USA Program

October 29, 2024
Author(s)
Robert G. Rudnitsky, Clifton Ray, Said Jahanmir
This document is the triennial strategic plan for the Manufacturing USA Program, as required by the program's authorizing statute. This strategic plan addresses the role of the Manufacturing USA institutes in developing advanced manufacturing technology

Direct Realization of the Optical Watt from Planck's Constant

October 28, 2024
Author(s)
Brian Simonds, Kyle Rogers, Sven Schulze, David Newell, Gordon Shaw, Paul A. Williams
A primary force standard is implemented to directly realize Planck's constant to the optical Watt by means of radiation pressure at the kilowatt level. The high amplification laser-pressure optic, or HALO, is a multiple reflection radiation pressure
Displaying 626 - 650 of 143793
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