Journals

Atom probe tomography for isotopic analysis: development of the 34S/32S system in sulfides

November 12, 2021

Author(s)

Phillip Gopon, James Douglas, Frederick Meisenkothen, Jaspreet Singh, Andrew London, Michael Moody

Using a combination of simulated data and pyrite isotopic reference materials, we have refined a methodology to obtain quantitative δ34S measurements from atom...

Advances in Methodology and Applications of Nontargeted Analysis in Environmental Monitoring

November 12, 2021

Author(s)

Natalia Soares Quinete, Bowen Du, Edward Furlong, Benjamin Place, Elin Ulrich, Tarun Anumol

Quantum science with optical tweezer arrays of ultracold atoms and molecules

November 11, 2021

Author(s)

Adam Kaufman, Kang-Kuen NI

Theoretical Bounds on Data Requirements for the Ray-Based Classification

November 10, 2021

Author(s)

Brian Weber, Sandesh Kalantre, Thomas McJunkin, Jacob Taylor, Justyna Zwolak

The problem of classifying high-dimensional shapes in real-world data grows in complexity as the dimension of the space increases. For the case of identifying...

Utilizing commercial heating, ventilating, and air conditioning systems to provide grid services: A review

November 10, 2021

Author(s)

Yangyang Fu, Amanda Pertzborn, Zheng O'Neill, Steven T. Bushby, Jin Wen

The modern power grid faces multiple challenges due to an increase in the adoption of renewable generation, such as dynamically balancing supply and demand at...

On the virial expansion of model adsorptive systems

November 9, 2021

Author(s)

William P. Krekelberg, Vincent Shen

We investigate super critical adsorptive properties of various model systems of variable fluid- solid attractive strengths using the confined-density virial...

MICROMETROLOGY IN PURSUIT OF QUANTUM RADIATION STANDARDS

November 9, 2021

Author(s)

Ryan P. Fitzgerald, Zeeshan Ahmed, Denis E. Bergeron, Nikolai Klimov, Dan Schmidt, Ronald Tosh

With the recent redefinition of the SI base units in terms of constants of nature, the race is on to maximize achievable precision by developing primary...

Assessment of Serum Total 25-Hydroxyvitamin D Assays for Vitamin D External Quality Assessment Scheme (DEQAS) Materials Distributed at Ambient and Frozen Conditions

November 9, 2021

Author(s)

Johanna Camara, Christopher T. Sempos, Emma L. Williams, Graham D. Carter, Julia C. Jones, Carolyn Burdette, Grace Hahm, Federica Nalin, David L. Duewer, Adam J. Kuszak, J. M. Betz, Andrew Hoofnagle, Pierre Lukas, E. Cavalier, Ramon Durazo-Arvizu, P. M. Crump, Christian Popp, Christian Beckert, Glen Van Slooten, Patrick Gradon, Joelle Morgand, Sarah Paul, Bruno Emanuelli, Angelo Maggio, Fiona Ivison, Ralf Fischer, Jody M. van den Ouweland, Chung S. Ho, Emmett W. Law, Jean-Nicolas Simard, Renaud Gonthier, Brett Holmquist, Manisha S. Patwardhan, Marcelo C. Batista, Heather Pham, Sarah Meadows, Eugene Jansen, Dilshad A. Khan, Kimberly Robyak, Mark Kilbane, Neil Parker, Vincent Chen, Robert Fitzgerald, Sohail Mushtaq, Michael W. Clarke, Norma Breen, Christine Simpson, Stephen A. Wise

The Vitamin D External Quality Assessment Scheme (DEQAS) distributes human serum samples four times per year to over 1000 participants worldwide for the...

Equations of State for the Thermodynamic Properties of Three Perfluorocarbons: n-Perfluorobutane, n-Perfluoropentane, and n-Perfluorohexane

November 9, 2021

Author(s)

Kehui Gao, Eric W. Lemmon, Andreas Koester, Monika Thol, Jiangtao Wu

Helmholtz energy equations of state with independent variables of temperature and density were developed for n-perfluorobutane, n-perfluoropentane, and n...

Time-series Imputation Algorithm

November 5, 2021

Author(s)

David A. Howe, Chloe Champagne

Statistical imputation is a field of study that attempts to fill missing data. It is commonly applied to population statistics whose data have no correlation...

Measurement and Correlation of the Thermal Conductivity of 1,1,1,2,2,3,3-heptafluoro-3-methoxypropane (RE-347mcc)

November 4, 2021

Author(s)

Richard A. Perkins, Marcia L. Huber, Marc Assael

New experimental data for the thermal conductivity of 1,1,1,2,2,3,3-heptafluoro-3-methoxypropane (RE-347mcc, HFE-7000) are reported for vapor, liquid, and...

Metrological Framework to Support Accurate, Reliable, and Reproducible Nucleic Acids Measurements

November 4, 2021

Author(s)

Mojca Milavec, Megan Cleveland, Young-Kyung Bae, Robert Wielgosz, Maxim Vonsky, Jim Huggett

Nucleic acid analysis is used in many areas of life sciences such as medicine, food safety, and environmental monitoring. Accurate, reliable measurements of...

Surface Hydride Formation on Cu(111) and its Decomposition to Form H2 in Acid Electrolytes

November 4, 2021

Author(s)

David Raciti, Thomas P. Moffat, Angela R. Hight Walker, Brian Tackett

Mass spectrometry and Raman vibrational spectroscopy were used to follow competitive dynamics between adsorption and desorption of H and anions during potential...

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...