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Journals

Flexible Assemblies of Electrocapacitive Volume Tomographic Sensors for Gauging Fuel of Spacecraft

April 30, 2021

Author(s)

Seung H. Yang, Yong Sik Kim, Nicholas G. Dagalakis, Yicheng Wang

Gauging propellant fuel of spacecraft in outer space has been an issue, because their liquid fuels tend to float, slosh, adhere to the tank walls, and form...

Identifications of extreme ultraviolet spectra of Br-like to Ni-like neodymium ions using an electronbeam ion trap

April 30, 2021

Author(s)

C. Suzuki, Dipti Goyal, Y. Yang, A. Gall, Roshani Silwal, S. Sanders, Aung S. Naing, Joseph N. Tan, Endre A. Takacs, Yuri Ralchenko

Charge-resolved extreme ultraviolet spectra of open N-shell neodymium (Nd) ions have been recorded in an electron beam ion trap facility at the National...

Entanglement and purification transitions in non-Hermitian quantum mechanics

April 30, 2021

Author(s)

Michael Gullans, Sarang Gopalakrishnan

A quantum system subject to continuous measurement and post-selection evolves according to a non- Hermitian Hamiltonian. We show that, as one increases the rate...

Experimental constraint on Axionlike Particles over Seven Orders of Magnitude in Mass

April 30, 2021

Author(s)

Tanya S. Roussy, Daniel A. Palken, William B. Cairncross, Benjamin M. Brubaker, Daniel N. Gresh, Matt Grau, Kevin C. Cossel, Kia B. Ng, Yuval Shagam, Yan Zhou, V V. Flambaum, Konrad Lehnert, Jun Ye, Eric A. Cornell

Effect of spiral scan strategy on microstructure for additively manufactured stainless steel 17-4

April 30, 2021

Author(s)

Ho Yeung, Jordan Weaver, J. Chen, Y. Guo, G Yang, D. Lin, W. Tan

The effect of the scan strategy on the microstructure is investigated on a custom-built laser powder bed fusion additive manufacturing testbed. Eight stainless...

A Controlled Vocabulary and Metadata Schema for Materials Science Data Discovery

April 29, 2021

Author(s)

Andrea M. Medina-Smith, Chandler Becker, Raymond L. Plante, Laura Bartolo, Alden A. Dima, James A. Warren, Robert Hanisch

The International Materials Resource Registries (IMRR) working group of the Research Data Alliance (RDA) was created to spur initial development of a federated...

Catalyst Enabled in Situ Linkage Reduction in Imine Covalent Organic Frameworks

April 29, 2021

Author(s)

Jiyun Hu, Federica Zanca, Gregory McManus, Isabella Riha, Huong Giang Nguyen, William Shirley, Collin Borcik, Benjamin Wylie, Mourad Benamara, Roger van Zee, Peyman Moghadam, M. Hassan Beyzavi

New linkages for covalent organic frameworks (COFs) have been continuously pursued by chemists as it serves as the structure and property foundation for the...

Spontaneous Pulse Formation in Edgeless Photonic Crystal Resonators

April 29, 2021

Author(s)

Su P. Yu, Daniel Cole, Hojoong Jung, Gregory Moille, Kartik Srinivasan, Scott Papp

Complex systems are a proving ground for fundamental interactions between components and their collective emergent phenomena. Through intricate design...

Compact Thermal Actuation by Water and Flexible Hydrophobic Nanopore

April 29, 2021

Author(s)

Miroslaw Chorazewski

Efficient and compact energy conversion is at the heart of sustainable development of humanity. In this work it is demonstrated that hydrophobic flexible...

Comparative Apex Electrostatics of Atom Probe Tomography Specimens

April 28, 2021

Author(s)

Qihua Zhang, B. Klein, Norman A. Sanford, Ann Chiaramonti Debay

Laser-assisted atom probe tomography (APT) is the only known analytical method that can simultaneously provide sub-nm 3D spatial resolution and quantitative...

NexusLIMS: A Laboratory Information Management System for Shared-Use Electron Microscopy Facilities

April 28, 2021

Author(s)

Joshua A. Taillon, Thomas F. Bina, Raymond L. Plante, Marcus W. Newrock, Gretchen Greene, June W. Lau

This work introduces NexusLIMS, an electron microscopy laboratory information management system designed and implemented by the Office of Data and Informatics...

Ambient-Temperature Hydrogen Storage via Vanadium(II)-Dihydrogen Complexation in a Metal−Organic Framework

April 28, 2021

Author(s)

David Jaramillo, Henry Jiang, Hayden Evans, Romit Chakraborty, Hiroyasu Furukawa, Craig Brown, Martin Head-Gordon, Jeffrey Long

The widespread implementation of H 2 as a fuel is currently hindered by the high pressures or cryogenic temperatures required to achieve reasonable storage...

Optical Scattering Characteristics of 3D Lunar Regolith Particles Measured using X-Ray Nano Computed Tomography

April 27, 2021

Author(s)

Edward Garboczi, Ann Debay, Somen Baidya, Ahmed M. Hassan, Andrew Sharits, Jay D. Goguen, Thomas Lafarge, Mikolas Melius

Shape is a critical property, besides size and material composition, which has a strong effect on the optical scattering characteristics of a particle. In this...

Determination ofeffective magnetizationand gyromagnetic ratio ofyttrium iron garnetfrom multi-modeferromagnetic resonanceS21 spectra

April 27, 2021

Author(s)

Kevin Coakley, Pavel Kabos, Scooter D. Johnson

We acquire ferromagnetic resonance spectra for an out-of-plane magnetized yttrium iron garnet sample with a vector network analyzer at microwave frequencies...

Spatially Resolved Photoconductivity in WS2/MoS2 lateral heterostructures

April 27, 2021

Author(s)

Samuel Berweger, Hanyu Zhang, Prasana Sahoo, Benjamin Kupp, Jeffrey Blackburn, Elisa Miller, Thomas Mitchell (Mitch) Wallis, Dmitri Voronine, Pavel Kabos, Sanjini Nanayakkara

The optical and electronic properties of 2D semiconductors are intrinsically linked via the strong interactions between optically excited bound species and free...

Cavity-QED Quantum Simulator of Dynamical Phases of a Bardeen-Cooper-Schrieffer Superconductor

April 27, 2021

Author(s)

Robert J. Lewis-Swan, Diego Barberena, Julia R. Cline, Dylan J. Young, James K. Thompson, Ana Maria Rey

Multi-Detector Hydrodynamic Chromatography of Colloids: Following in Hamish Small's Footsteps

April 27, 2021

Author(s)

Andre Striegel

Hamish Small, scientist extraordinaire, is best known as the inventor of both ion chromatography and hydrodynamic chromatography (HDC). The latter has...

Deep Representation Learning for Process Control in Laser Additive Manufacturing

April 26, 2021

Author(s)

Yan Lu, Sepehr Fathizadan, Feng Ju

Laser Powder Bed Fusion (LPBF) is an additive manufacturing process where laser power is applied to fuse the spread powder and fabricate industrial parts in a...

Sequence-based U.S. population data for 7 X STR loci

April 26, 2021

Author(s)

Lisa Borsuk, Carolyn R. Steffen, Kevin M. Kiesler, Peter Vallone, Katherine Gettings

The National Institute of Standards and Technology (NIST) U.S. population sample set of unrelated individuals was used to determine allele and haplotype...

A Rod-Packing Hydrogen-Bonded Organic Framework with Suitable Pore Confinement for Benchmark Ethane/Ethylene Separation

April 26, 2021

Author(s)

Xu Zhang, Jia-Xin Wang, Libo Li, Jiyan Pei, Rajamani Krishna, Hui Wu, Wei Zhou, Guodong Qian, Bin Li, Banglin Chen

The discovery of new materials for separating ethane (C 2H 6) from ethylene (C 2H 4) by adsorption is a critical enterprise in the chemical industry. It still...

Absolute 13C/12C isotope amount ratio for Vienna PeeDee Belemnite from infrared absorption spectroscopy

April 26, 2021

Author(s)

Adam Fleisher, Hongming Yi, Abneesh Srivastava, Oleg Polyansky, Nikolai Zobov, Joseph T. Hodges

Neutron Scattering Study of Magnetic Anisotropy in the Tetragonal Antiferromagnet Bi₂CuO₄

April 26, 2021

Author(s)

Bo Yuan, Nicholas Butch, Guangyong Xu, Barry Winn, J. P. Clancy, Young-June Kim

We report neutron scattering study of low energy magnetic excitations in S =1/2 quantum magnet Bi 2CuO 4 with a tetragonal lattice structure. Our observation of...

Maintenance Costs and Advanced Maintenance Techniques in Manufacturing Machinery: Survey and Analysis

April 25, 2021

Author(s)

Douglas Thomas, Brian Weiss

The costs/benefits associated with investing in advanced maintenance techniques is not well understood. Using data collected from manufacturers, we estimate the...

Review of Seismic Risk Mitigation Policies in Earthquake-Prone Countries: Lessons for Earthquake Resilience in the United States

April 25, 2021

Author(s)

Yating Zhang, Juan Fung, Katherine Johnson, Siamak Sattar

This article reviews the current state of practice in seismic risk mitigation, focusing on policies in ten of the most earthquake-prone countries around the...

Reduction of Flicker Phase Noise in High-Speed Photodetectors under Ultrashort Pulse Illumination

April 23, 2021

Author(s)

Dahyeon Lee, Takuma Nakamura, Jizhao Zang, Joe C. Campbell, Scott Diddams, Franklyn Quinlan

High-fidelity photodetection enables the transfer of the low noise inherent to optical oscillators to the microwave domain. However, when photodetecting optical...

Outgassing rate comparison of seven geometrically similar vacuum chambers of different materials and heat treatments

April 23, 2021

Author(s)

James A. Fedchak, Julia Scherschligt, Sefer Avdiaj, Daniel Barker, Stephen Eckel, Ben Bowers, Scott O'Connell, Perry Henderson

We have measured the water and hydrogen outgassing rates of seven vacuum chambers of identical geometry but constructed of different materials and heat...

Discovering Critical KPI Factors from Natural Language in Maintenance Work Orders

April 22, 2021

Author(s)

Michael Sharp, Michael Brundage, Rachael Sexton, Fnu Madhusudanan Navinchandran

Optimizing maintenance practices is a continuous process that must take into account the evolving state of the equipment, resources, workers, and more. To help...

First-Principles Diffusivity Ratios for Atmospheric Isotope Fractionation on Mars and Titan

April 22, 2021

Author(s)

Robert Hellmann, Allan H. Harvey

Recent work used the kinetic theory of molecular gases, along with state-of-the-art intermolecular potentials, to calculate the diffusivity ratios necessary for...

Blackbody Radiation Noise Broadening of Quantum Systems

April 22, 2021

Author(s)

Eric B. Norrgard, Stephen Eckel, Christopher L. Holloway, Eric L. Shirley

Precision measurements of quantum systems often seek to probe or must account for the interaction with blackbody radiation. Over the past several decades, much...

Quantum Blackbody Thermometry

April 22, 2021

Author(s)

Eric B. Norrgard, Stephen Eckel, Christopher L. Holloway, Eric L. Shirley

Blackbody radiation (BBR) sources are calculable radiation sources that are frequently used in radiometry, temperature dissemination, and remote sensing...

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