Journals

Symmetric time-division-multiplexed SQUID readout with two-layer switches for future TES observatories

April 4, 2023

Author(s)

Malcolm Durkin, Scott Backhaus, Simon Bandler, James Chervenak, Ed Denison, W.Bertrand (Randy) Doriese, Johnathon Gard, Gene C. Hilton, Richard Lew, Tammy Lucas, Carl D. Reintsema, Dan Schmidt, Stephen Smith, Joel Ullom, Leila R. Vale, Michael Vissers, Nicholas Wakeham

Time-division multiplexing (TDM) of transition-edge-sensor (TES) microcalorimeters is being developed as the readout tech-nology for the Athena X-ray integral...

Deep Learning for Path Loss Prediction at 7 GHz in Urban Environment

April 3, 2023

Author(s)

Thao T. Nguyen, Nadia Yoza Mitsuishi, Raied Caromi

In the 6 GHz spectrum sharing band, unlicensed devices are managed by automated frequency coordination (AFC) systems to protect incumbent services from...

Application of Indoor CO2 in Response to the Pandemic

April 3, 2023

Author(s)

Andrew K. Persily, Oluwatobi Oke

In response to the COVID-19 pandemic, there have been many recommendations to monitor indoor CO2 concentrations. However, the technical basis for these...

Broadband full-spectrum Raman excitation mapping reveals intricate optoelectronic-vibrational resonance structure of chirality pure single walled carbon nanotube

April 3, 2023

Author(s)

Paul Finnie, Jeffrey Fagan, Jianying Ouyang

The Raman excitation spectra of chirality pure (6,5), (7,5) and (8,3) single walled carbon nanotubes (SWCNTs) are explored for homogenous solid film samples...

Integrating planar photonics for multi-beam generation and atomic clock packaging on chip

April 3, 2023

Author(s)

Chad Ropp, Wenqi Zhu, Alexander Yulaev, Daron Westly, Gregory Simelgor, Akash Rakholia, William Lunden, Dan Sheredy, Martin Boyd, Scott Papp, Amit Agrawal, Vladimir Aksyuk

The commercialization of atomic technologies requires replacing laboratory-scale laser setups with compact and manufacturable optical platforms. Complex...

Heartbleed Revisited: Is it just a Buffer Over-Read?

April 1, 2023

Author(s)

Irena Bojanova, Carlos Eduardo Cardoso Galhardo

In this work, we examine in detail the weaknesses underlying the Heartbleed vulnerability and show how it may lead to private information exposure.

Machine Learning-driven Process-Structure-Property Analytical Framework for Additive Manufacturing

April 1, 2023

Author(s)

Hyunwoong Ko, Zhuo Yang, Yande Ndiaye, Paul Witherell, Yan Lu

Data analytics with Machine Learning (ML) and Artificial Intelligence (AI) offers high potential to continuously transform AM data to newfound knowledge of...

Antiferromagnetic Metal Phase in an Electron-Doped Rare-Earth Nickelate

April 1, 2023

Author(s)

Qi Song, Spencer Doyle, Grace Pan, Ismail El Baggari, Dan Segedin, Denisse Cordova Carrizales, Johanna Nordlander, Christian Tzschaschel, James Ehrets, Zubia Hasan, Hesham El-Sherif, Jyoti Krishna, Chase Hanson, Harrison LaBollita, Aaron Bostwick, Chris Jozwiak, Eli Rotenberg, Su-Yang Xu, Alessandra Lanzara, Alpha N'Diaye, Colin Heikes, Yaohua Liu, Hanjong Paik, Charles Brooks, Betul Pamuk, John Heron, Padraic Shafer, William D. Ratcliff, Antia Botana, Luca Moreschini, Julia A. Mundy

Long viewed as passive elements, antiferromagnetic materials emerged as promising candidates for spintronic devices due to their insensitivity to external...

Neutron Interferometry Using a Single Modulated Phase Grating

April 1, 2023

Author(s)

Ivan Hidrovo, Joynoi Dey, Daniel Hussey, Nikolai Klimov, Leslie Butler, Kum Ham, W Newhauser

Neutron grating interferometry provides information on phase and small-angle scatter in addition to attenuation. Previously, phase grating moiré interferometers...

Reusing and Extending Standards-based Unit Manufacturing Process Models for Characterizing Sustainability Performance

April 1, 2023

Author(s)

Arvind Shankar Raman, KC Morris, Karl R. Haapala

Over the past two decades numerous efforts have characterized manufacturing processes for sustainability performance. These efforts have been pursued primarily...

Comparison of saturator designs for low volatility liquid precursor delivery

April 1, 2023

Author(s)

James E. Maslar, William A. Kimes, Vladimir B. Khromchenko, Brent Sperling, Ravindra Kanjolia

Low volatility precursors are widely utilized in chemical vapor deposition and atomic layer deposition processes. Such precursors are often delivered from one...

Effect of Alkali-Silica Reaction on the Flexural Behavior of Beams with Tensile Lap Splices

March 31, 2023

Author(s)

Long Phan, Jonathan Weigand, Fahim H. Sadek, Adam L. Pintar, Sorin Marcu, Travis Thonstad, Timothy Barrett

A series of 19 beam specimens, with varying stirrup spacing and tensile lap splice lengths, were tested at the National Institute of Standards and Technology...

A Call for a National Community Resilience Extension Partnership: Building a Sustained Multi-Disciplinary Bridge from Community Resilience Research to Practice and Communities

March 31, 2023

Author(s)

Christopher Clavin, Jennifer Helgeson, Matthew Malecha, Shubha Shrivastava

Establishing a national Community Resilience Extension Partnership, a boundary organization directly linking the scientific community with local planners and...

Practical Correlation-Matrix Approaches for Standardized Testing of Wireless Devices in Reverberation Chambers

March 30, 2023

Author(s)

Kate Remley, Sara Catteau, Ahmed Hussain, Carnot Nogueira, Mats Kristoffersen, John Kvarnstrand, Brett Horrocks, Jonas Friden, Rob Horansky, Dylan Williams

We extend the autocorrelation-based approaches currently used in standards to full correlation matrix-based approaches in order to identify correlation between...

Monomeric Crystal Structure of the Vaccine Carrier Protein CRM197 and Implications for Vaccine Development

March 30, 2023

Author(s)

Andrew Lees, Natalia Oganesyan, David Travis Gallagher

CRM197 is a genetically detoxified mutant of diphtheria toxin (DT) that is widely used as a carrier protein for conjugate vaccines. Protective immune responses...

Standard 62.1's Ventilation Rates: A little history and a little about the present

March 30, 2023

Author(s)

Andrew K. Persily

The Digital NIST: Challenges And Opportunities in the Digital Transformation of NIST's Reference Materials

March 30, 2023

Author(s)

William Dinis Camara, Steven J. Choquette, Katya Delak, Robert Hanisch, Benjamin Long, Melissa M. Phillips, Jared Ragland, Kate Rimmer

Early in 2022 NIST embarked on a pilot project to produce digital calibration reports and digital certificates of analysis for reference materials. The goal of...

Toward improved quantum simulations and sensing with trapped two-dimensional ion crystals via parametric amplification

March 29, 2023

Author(s)

Matthew Affolter, Wenchao Ge, Bryce Bullock, Shaun Burd, Kevin Gilmore, Jennifer Lilieholm, Allison Carter, John J. Bollinger

Improving coherence is a fundamental challenge in quantum simulation and sensing experiments with trapped ions. Here we discuss, experimentally demonstrate, and...

Efficiency Comparison of Single- and Multiple-Macrostate Grand Canonical Ensemble Transition-Matrix Monte Carlo Simulations

March 28, 2023

Author(s)

Harold Hatch, Daniel Siderius, Jeffrey Errington, Vincent K. Shen

Recent interest in parallelizing flat-histogram transition-matrix Monte Carlo simulations in the grand canonical ensemble, due to its demonstrated effectiveness...

Absence of Magnetic Interactions in Ni-Nb Ferromagnet-Superconductor Bilayers

March 28, 2023

Author(s)

Nathan Satchell, Patrick Quarterman, Julie A. Borchers, Gavin Burnell, Norman Birge

Studies of ferromagnet-superconductor hybrid systems have uncovered magnetic interactions between the competing electronic orderings. The Electromagnetic...

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures

March 28, 2023

Author(s)

Peter Vouras, Kumar Vijay Mishra, Aly Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian

Rapid developments in synthetic aperture (SA) systems, which generate a larger aperture with greater angular resolution than is inherently possible from the...

Synchronization and Coexistence in Quantum networks

March 27, 2023

Author(s)

Ivan Burenkov, Alexandra Semionova, FNU Hala, Thomas Gerrits, Anouar Rahmouni, DJ Anand, Ya-Shian Li-Baboud, Oliver T. Slattery, Abdella Battou, Sergey Polyakov

We investigate the coexistence of clock synchronization protocols with quantum signals in a common single-mode optical fiber. By measuring optical noise between...

Interference induced anisotropy in a two-dimensional dark state optical lattice

March 27, 2023

Author(s)

Ian Spielman, Gediminas Juzeliūnas, Edvinas Gvozdiovas

We describe a two-dimensional optical lattice for ultracold atoms with spatial structure below the diffraction limit created by a bichromatic optical standing...

MPpredictor: An Artificial Intelligence-Driven Web Tool for Composition-Based Material Property Prediction

March 27, 2023

Author(s)

Kamal Choudhary, Francesca Tavazza, Carelyn E. Campbell, Vishu Gupta, Yuwei Mao, Kewei Wang, Wei-keng Liao, Alok Choudhary, Ankit Agrawal

The applications of artificial intelligence, machine learning, and deep learning techniques in the field of materials science are becoming increasingly common...

Stripe Helical Magnetism and Two Regimes of Anomalous Hall Effect in NdAlGe

March 27, 2023

Author(s)

Hung-Yu Yang, Jonathan N. Gaudet, Rahul Verma, Santu Baidya, Faranak Bahrami, Xiaohan Yao, Cheng-Yi Huang, Lisa Debeer-Schmitt, Adam A. Aczel, Guangyong Xu, Hsin Lin, Arun Bansil, Bahadur Singh, Fazel Tafti

We report the magnetic and electronic transport properties of the inversion and time-reversal symmetry breaking Weyl semimetal NdAlGe. This material is...

Identification of the Veterinary Sedative Medetomidine in Combination with Opioids and Xylazine in Maryland

March 26, 2023

Author(s)

Edward Sisco, Meghan Appley

Public health, public safety, and forensic science personnel continue to face the emergence of new compounds into the drug market. While focus is often put on...

Compact, Portable, Thermal-Noise-Limited Optical Cavity with Low Acceleration Sensitivity

March 23, 2023

Author(s)

Megan Kelleher, Charles McLemore, Dahyeon Lee, Josue Davila-Rodriguez, Scott Diddams, Franklyn Quinlan

We develop and demonstrate a compact (less than 6 mL) portable Fabry-Pérot optical reference cavity. A laser locked to the cavity is thermal noise limited at 2...

Assessment of Different Approaches for Measuring Shear Fracture Appearance in Charpy Tests

March 23, 2023

Author(s)

Enrico Lucon, May Ling Martin, Brooke Calvo, Xiang Chen, Mikhail Sokolov

Different approaches for establishing Shear Fracture Appearance (SFA) on tested Charpy specimens were assessed and compared, namely (in order of increasing...

Measurements and model of UV-induced oxidation of aluminum

March 22, 2023

Author(s)

Robert F. Berg, Charles S. Tarrio, Thomas B. Lucatorto

We present measurements and a model of aluminum oxidation induced by ultraviolet (UV) radiation. Spots of oxide were grown by focusing synchrotron radiation...

Spin-orbital order and excitons in magnetoresistive HoBi

March 22, 2023

Author(s)

Jonathan N. Gaudet, H. Yang, E. Smith, T. Halloran, J. Clancy, Jose Rodriguez Rivera, Guangyong Xu, Yang Zhao, Wangchun Chen, G. Sala, Adam A. Aczel, B. Gaulin, Fazel Tafti, Collin L. Broholm

The magnetism of the rock-salt fcc rare-earth monopnictide HoBi, a candidate topological material with extreme magnetoresistance, is investigated. From the Ho3+...