Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Quantifying and Suppressing Proton Intercalation to Enable High-Voltage Zn-Ion Batteries

November 4, 2021

Author(s)

Fei Wang, Lauren E. Blanc, Qin Li, Antonio Faraone, Xiao Ji, Huaiyu H. Chen-Mayer, Rick L. Paul, Joseph Dura, Enyuan Hu, Kang Xu, Linda F. Nazar, Chunsheng Wang

We explore the Zn-ion intercalation mechanisms/interfacial dynamics of VPO 4F and quantify the water dynamics in water-in-salt (WISE) and hybrid aqueous-non...

The Effects of Impurities in Down-Blending Highly Enriched Uranium on the Reactor Neutronics and Cycle Length

November 3, 2021

Author(s)

Osman Celikten, Dagistan Sahin

Laser spot size and scaling laws for laser beam additive manufacturing

November 3, 2021

Author(s)

Jordan Weaver, Jarred C. Heigel, Brandon Lane

Laser powder bed fusion (L-PBF) additive manufacturing (AM) requires the careful selection of laser process parameters for each feedstock material and machine...

Effect of Chloride on Microstructure in Cu Filled Microscale Through Silicon Vias

November 2, 2021

Author(s)

Daniel Josell, Thomas P. Moffat, Trevor Braun

The microstructure of copper filled through silicon vias deposited in a CuSO4 + H2SO4 electrolyte containing micromolar concentrations of deposition rate...

A simple imaging solution for chip-scale laser cooling

November 1, 2021

Author(s)

John Kitching, Gabriela Martinez, A, Gregazzi, Paul Griffin, Aidan Arnold, D. P. Burt, Rodolphe Bouldot, Erling Riis, James McGilligan

We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed...

Evaluating Measurement Uncertainty for Firearm Barrel and Overall Length Measurements

November 1, 2021

Author(s)

Michael Stocker, Theodore V. Vorburger, Thomas Renegar, Robert Thompson, Mark Williford

In recent years, more forensic laboratories are seeking accreditation to ISO 17020 and 17025. In the field of firearm and toolmark forensics, the barrel length...

A Brief Overview of Scanning Transmission Electron Microscopy in a Scanning Electron Microscope (STEM-in-SEM)

November 1, 2021

Author(s)

Jason Holm

Scanning electron microscopes (SEMs) and the transmission electron detectors used therein are widely available. Both are generally easy to use, making the...

A Semi-Supervised Approach for Automatic Crystal Structure Classification

November 1, 2021

Author(s)

Satvik Lolla, Haotong Liang, A. Gilad Kusne, Ichiro Takeuchi, William D. Ratcliff

The structural solution problem can be a daunting and time consuming task. Especially in the presence of impurity phases, current methods such as indexing...

Design Strategy for Additive Manufacturing Ti-Al-Fe alloys with Calculation of Phase Diagram Method

November 1, 2021

Author(s)

Zhi Liang, Ursula R. Kattner, Carelyn E. Campbell

Calculation of Phase Diagram (CALPHAD) method was used to develop an additive manufacturing (AM) titanium alloy design strategy for new alloys in the Ti-Al-Fe...

Experiments and Exergy Analysis for a CO2 Ground-Source Heat Pump in Cooling Mode

November 1, 2021

Author(s)

Harrison M. Skye, Wei Wu

A prototype CO2 ground-source air conditioner (GSAC) comprised of a vapor-compression cycle with a liquid-line/suction-line heat exchanger (LLSL-HX) was tested...

Bubble Point Measurements of Mixtures of HFO and HFC Refrigerants

November 1, 2021

Author(s)

Stephanie L. Outcalt, Aaron Rowane

Bubble point pressures of six binary mixtures at two compositions each have been measured utilizing a static method. The performance of the apparatus was...

Generation of perfect vortex beams by dielectric geometric metasurface for visible light

October 31, 2021

Author(s)

Qianwei Zhou, Mingze Liu, Wenqi Zhu, Lu Chen, Yongze Ren, Henri Lezec, Yanqing Lu, Ting Xu, Amit Agrawal

Perfect vortex beam (PVB) is a propagating optical field carrying orbital angular momentum (OAM) with a radial intensity profile that is independent of...

The misunderstood meander: Redesigning meander-line surface coils to reduce noise, increase uniformity, and eliminate image artifacts

October 30, 2021

Author(s)

Gary Zabow, Stephen Dodd, Alan Koretsky

Meander-line, or zig-zag, MRI surface coils theoretically promise spatially uniform fields with optimal field localization close to the coil. In reality, they...

An introductory overview of open-source and commercial software options for the analysis of forensic sequencing data

October 29, 2021

Author(s)

Tuende Huszar, Katherine Gettings, Peter Vallone

The top challenges of adopting new methods to forensic DNA analysis in routine laboratories are often the capital investment and the expertise required to...

Self-Bayesian Aberration Removal via Constraints for Ultracold Atom Microscopy

October 29, 2021

Author(s)

Ian Spielman, Emine Altuntas

High-resolution imaging of ultracold atoms typically requires custom high numerical aperture (NA) optics, as is the case for quantum gas microscopy. These high...

Absolute radiation pressure detector using a diamagnetically levitating test mass

October 28, 2021

Author(s)

Anna Vaskuri, Daniel Rahn, Paul A. Williams, John H. Lehman

We have developed an absolute radiometer to measure laser power by means of radiation pressure in a closed control-loop configuration using diamagnetically...

Reversible Self-Association in Lactate Dehydrogenase during Freeze-Thaw in Buffered Solutions using Neutron Scattering

October 28, 2021

Author(s)

Jayesh Sonje, Seema Thakral, Susan T. Krueger, Raj Suryanarayanan

The effect of freezing and thawing stresses on lactate dehydrogenase (LDH) stability were evaluated under three conditions: (i) in a solution buffered with...

Separation of Peas and Carrots in Boiling Water

October 27, 2021

Author(s)

Zachary H. Levine

Frozen peas and carrots are commonly available in grocery stores in the United States. The carrots are cut into cubes roughly 8 mm on a side. They are prepared...

Analysis of complex multidimensional optical spectra by linear prediction

October 27, 2021

Author(s)

Ethan Swagel, Jagannath Paul, Alan Bristow, Jared Wahlstrand

We apply Linear Prediction from Singular Value Decomposition (LPSVD) to the analysis of two-dimensional complex optical spectra. LPSVD is a non-iterative...

Development of Electrical Substitution Fourier Transform Spectrometry for Absolute Optical Power Measurements

October 27, 2021

Author(s)

Jorge Neira, Solomon I. Woods, James E. Proctor, Joseph P. Rice

We have demonstrated the first continuous-scan Electrical Substitution Fourier Transform Spectrometer (ES-FTS), which serves initially as an apparatus for...

A Reference Correlation for the Viscosity of Krypton From Entropy Scaling

October 27, 2021

Author(s)

Sofia Polychroniadou, Konstantinos Antoniadis, Marc Assael, Ian Bell

We present a new wide-ranging correlation for the viscosity of krypton based on critically evaluated experimental data. For the first time, such a correlation...

Non-volatile Multi-level Switching in Artificial Synaptic Transistors Based on Epitaxial LiCoO2 Thin Films

October 26, 2021

Author(s)

Heshan Yu, Megan E. Holtz, Yunhui Gong, Justin Pearson, Yaoyu Ren, Andrew Herzing, Xiaohang Zhang, Ichiro Takeuchi

Li-ion synaptic transistors offer non-volatile multi-level switching through Li-ion exchange between channel and electrolyte, and thus are widely regarded as...

Accurate measurement of the photonic crystal slab period using diffraction in the Littrow configuration

October 25, 2021

Author(s)

John R. Lawall, Yiliang Bao, Jason Gorman

Photonic crystal slab devices with subwavelength periods can be tailored to provide a remarkable range of functionalities, such as ultrahigh reflectivity in a...

Phenyl-Terminated Polyolefins via Living Coordinative Chain Transfer Polymerization with ZnPh2 as a Chain Transfer Agent

October 25, 2021

Author(s)

Mark Wallace, Aaron Burkey, Lawrence Sita

ABSTRACT: Living coordinative chain transfer polymeriza-tion (LCCTP) of α-olefins, including propene, 1-hexene, 1-decene, and 4-methyl-1-pentene, using the CPAM...

Surface science motivated by heating of trapped ions from the quantum ground state

October 25, 2021

Author(s)

Dustin Hite, Kyle McKay, David P. Pappas

For the past two and a half decades, anomalous heating of trapped ions from nearby electrode surfaces has continued to demonstrate unexpected results. Caused by...

Comparing Two Analytical Workflows for Seized Drug Analysis of Synthetic Cannabinoids, Cathinones, and Opioids

October 25, 2021

Author(s)

Edward Sisco, Amber Burns, Elizabeth Schneider, Charles R. Miller, IV, Laurel Bobka

As the challenges faced by drug chemists continue to persist, due the presence of synthetic opioids, novel psychoactive substances, and other emerging drugs...

Comparing Two Analytical Workflows for Seized Drug Analysis of Synthetic Cannabinoids, Cathinones, and Opioids

October 25, 2021

Author(s)

Edward Sisco, Amber Burns, Elizabeth Schneider, Charles R. Miller, IV, Laurel Bobka

As the challenges faced by drug chemists continue to persist, due the presence of synthetic opioids, novel psychoactive substances, and other emerging drugs...

Comparing Two Analytical Workflows for Seized Drug Analysis of Synthetic Cannabinoids, Cathinones, and Opioids

October 25, 2021

Author(s)

Edward Sisco, Amber Burns, Elizabeth Schneider, Charles R. Miller, IV, Laurel Bobka

As the challenges faced by drug chemists continue to persist, due the presence of synthetic opioids, novel psychoactive substances, and other emerging drugs...

Comparing Two Analytical Workflows for Seized Drug Analysis of Synthetic Cannabinoids, Cathinones, and Opioids

October 25, 2021

Author(s)

Edward Sisco, Amber Burns, Elizabeth Schneider, Charles R. Miller, IV, Laurel Bobka

As the challenges faced by drug chemists continue to persist, due the presence of synthetic opioids, novel psychoactive substances, and other emerging drugs...

Determining the Angle-of-Arrival of an Radio-Frequency Source with a Rydberg Atom-Based Sensor

October 22, 2021

Author(s)

Amy Robinson, Nik Prajapati, Damir Senic, Matt Simons, Christopher L. Holloway

In this work we demonstrate the use of a Rydberg atom-based sensor for determining the angle-of- arrival of an incident radio-frequency (RF) wave or signal. The...

Was this page helpful?