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Displaying 51 - 75 of 74859

Optimization of Wye-D-Type Quantum Hall Resistance Standard

August 30, 2024
Author(s)
Yanfei Yang, Dean G. Jarrett, Alireza Panna, Albert Rigosi, David B. Newell, Randolph Elmquist, Cheng Hsueh Yang, Ngoc Thanh Mai Tran
Theoretically wye-delta transformation can be used to realize ultra-high resistances up to PΩ. For graphene-based quantum Hall array resistance standards fabricated to utilize the wye-delta transformation, a few challenges present themselves, including the

Assessing girth weld quality of pipeline steels and their susceptibility to hydrogen embrittlement

August 28, 2024
Author(s)
Zack Buck, Newell Moser, Nicholas Derimow, May Ling Martin, Damian Lauria, Enrico Lucon, Douglas Stalheim, Peter Bradley, Matthew Connolly
Hydrogen has long been considered a viable carbon-free option for ever-increasing societal desires to transform our energy infrastructure towards more renewable and alternative technologies. However, the effects of hydrogen-assisted damage mechanisms that

Continuum of Spin Excitations in the Exactly Solvable Triangular-Lattice Spin Liquid CeMgAl11O19

August 28, 2024
Author(s)
Bin Gao, Tong Chen, Chunxaio Liu, Mason Klemm, Shu Zhang, Zhen Ma, Xianghan Xu, CHOONGJAE WON, Dongzhe Dai, Gregory McCandless, Maiko Kofu, Naoki Murai, Stephen Moxim, Jason Ryan, Xiaozhou Huang, Xiaoping Wang, Julia Chan, Shiyan Li, Sang-Wook Cheong, Oleg Tchernyshyov, Leon Balents, Pengcheng Dai
In magnetically ordered insulators, elementary quasiparticles manifest as spin waves - collective motions of localized magnetic moments that propagate through the lattice - observed via inelastic neutron scattering. In effective spin- 1/2 systems where

Mechanical Metallurgy on Columbia Gas X100 Experimental Pipe

August 28, 2024
Author(s)
Dash Weeks, Ryan White, Jake Benzing, Enrico Lucon, Nicholas Derimow, Ashley Kroon, Robert Smith
This study evaluates the material properties of an X100 pipeline steel extracted from an experimental transmission pipeline section placed into service in the 1960s. The purpose is to compare these properties with current X100 steel standards

Mapping Industrial Wireless Deployments onto Individual Use Cases

August 27, 2024
Author(s)
Mohamed Hany, Rick Candell
Industrial wireless is crucial for the vision of increased intelligence in industrial automation and enhanced connectivity in various industrial scenarios. Although general requirements are usually defined for deploying industrial wireless networks in

Optically-induced quantum transitions in direct-probed mesoscopic 2H-NbSe2 for prototypical bolometers

August 26, 2024
Author(s)
Kishan Jayanand, Gustavo Saenz, Sergiy Krylyuk, Albert Davydov, Goran Karapetrov, Zhonghe Liu, Weidong Zhou, Anupama Kaul
Superconducting transition-edge sensors (TES) have emerged as fascinating devices to detect broadband electromagnetic radiation with low thermal noise. Extensive investigation into novel TES device architectures using conventional elemental or compound

Value Assignment of Standard Reference Material(R) 1849b Infant/Adult Nutritional Formula I

August 26, 2024
Author(s)
Melissa M. Phillips, Bruce Scruggs, Elena Wood, Lee L. Yu, James H. Yen, Charles Barber, John Sieber, Laura Wood
The National Institute of Standards and Technology (NIST) Standard Reference Material® (SRM®) 1849b Infant/Adult Nutritional Formula I delivers certified or non-certified values for over 100 analytes. This material is intended to be used for the evaluation

InSAR Analysis over the Eastern Coastline of Florida

August 23, 2024
Author(s)
Kamel S. Saidi, TRE Altamira Inc., Exponent Inc.
The National Institute of Standards and Technology (NIST) contracted TRE ALTAMIRA (TREA) for a historical Interferometric Synthetic Aperture Radar (InSAR) analysis to produce surface displacement measurements over a wide Area Of Interest (AOI) of

An Industrial Private 5G Testbed for Networked Automation Systems

August 22, 2024
Author(s)
Jing Geng, Mohamed Hany, Rick Candell
Interest in integrating wireless communication capabilities into industrial Cyber-Physical Systems (CPS) has surged recently. Driven by advantages like ease of deployment, reduced maintenance costs, and asset mobility, CPSs now employ wireless

Electromagnetically-Induced-Transparency Cooling with a Tripod Structure in a Hyperfine Trapped Ion with Mixed-Species Crystals

August 22, 2024
Author(s)
Jenny Wu, Pan-Yu Hou, Stephen Erickson, Adam Brandt, Yong Wan, Giorgio Zarantonello, Daniel Cole, Andrew C. Wilson, Daniel Slichter, Dietrich Leibfried
Cooling of atomic motion is a crucial tool for many branches of atomic physics, ranging from fundamental physics explorations to quantum information and sensing. For trapped ions, electromagnetically-induced-transparency (EIT) cooling has received

Latency-Sensitive Networked Control Using 802.11ax OFDMA Triggering

August 22, 2024
Author(s)
Karl Montgomery, Mohamed Hany, Rick Candell
Orthogonal Frequency-Division Multiple Access (OFDMA) is a feature implemented in IEEE 802.11ax (Wi-Fi 6) that aims to improve performance by sending packets simultaneously to multiple users. This paper highlights performance issues when using OFDMA with a

Towards Sustainable Electronics: Exploring IC Reuse for Circular Economy Transformation

August 22, 2024
Author(s)
Nowell Stoddard, Lisa Paterson, Mark Schaffer, Tom Etheridge, Nehika Mathur, KC Morris, Lise Laurin, Amos Ncube
This perspective paper addresses the importance of responsible end of life (EOL) management of integrated circuits (ICs or chips), with a particular focus on the possibility of IC reuse as an avenue to address the high impacts of chip manufacturing and the

5G NR and LTE Downlink Coexistence Measurements Using Software-Defined Radios

August 20, 2024
Author(s)
Nadia Yoza Mitsuishi, Yao Ma, Jason Coder
With the rapid deployment of 5G New Radio (NR) in the sub-6 GHz frequency bands, cellular operators need to accommodate this new technology within the limited spectrum licensed to them, mostly occupied by 4G Long-Term Evolution (LTE). This poses the

Community Resilience Economic Decision Guide and Tool: Research Overview

August 20, 2024
Author(s)
Christina Gore, Jennifer Helgeson
Community resilience planning often requires quantifying and understanding the trade-offs that communities make between the benefits and costs of different resilience actions. The Economic Decision Guide walks communities through the steps to evaluate

A Standards-Guided Approach for Formalizing Product Circularity Assessment Metrics

August 19, 2024
Author(s)
Junwon Ko, Sandwana Sneethan, Gisele Bortolaz Guedes, Fazleena Badurdeen, I.S. Jawahir, Buddhika Hapuwatte, KC Morris
The industrial transition towards a more sustainable Circular Economy (CE) emphasizes the need for products that align with CE principles and robust methods for assessing their circularity performance. However, ambiguities between metrics vs. indicators

Maximally efficient exchange in thin flow cells using density gradients

August 19, 2024
Author(s)
Megan Mitchell, Charles Majkrzak, David Hoogerheide
Flow cells are ubiquitous in laboratories and automated instrumentation and are crucial for ease of sample preparation, analyte addition, and buffer exchange. Often, the assumption that the fluids have exchanged completely in a flow cell is crucial to data

Model for the Viscosity and Thermal Conductivity of Tetrahydrofuran

August 17, 2024
Author(s)
Sofia Sotiriadou, Eleftheria Ntonti, Marc Assael, Konstantinos Antoniadis, Marcia L. Huber
We present a hybrid predictive-correlative engineering model for the calculation of the viscosity and thermal conductivity of tetrahydrofuran (THF) in the fluid phase. It incorporates critically evaluated experimental data where available, and predictive
Displaying 51 - 75 of 74859