Journals

Automated Piston Gauge Calibration System.

April 22, 2021

Author(s)

Julia Scherschligt, Yuanchao Yang, Katie M. Schlatter, Robert G. Driver, Christina D. Cross, John S. Quintavalle

Piston gauges or pressure balances are important primary standards for the realization of the SI unit of pressure, the Pascal. The National Institute of...

Superconductivity in Co-Layered LaCoSi

April 22, 2021

Author(s)

Zhengwen He, Rongjin Huang, Kaiyao Zhou, Ye Liu, Shibin Guo, Yuzhu Song, Zhongnan Guo, Shuxian Hu, Lunhua He, Qingzhen Huang, Laifeng Li, Jingyan Zhang, Shouguo Wang, Jiangang Guo, Xianran Xing, Jun Chen

Predicting anomalous quantum confinement effect in van der Waals materials

April 21, 2021

Author(s)

Francesca Tavazza, Kamal Choudhary

Materials with van der Waals bonding are known to exhibit a quantum confinement effect, in which the electronic band gap of the three-dimensional realization of...

Blow-Down Calibration of a Large Ultrasonic Flow Meter

April 21, 2021

Author(s)

Aaron Johnson, Eric Harman, Joey Boyd

Oil and gas production industries use large (diameter > 0.8 m) ultrasonic flow meters (USMs) to measure exhaust gas from flare stacks, emissions from...

Neutron Imaging of Laser Melted SS316 Test Objects with Spatially Resolved Small Angle Neutron Scattering

April 21, 2021

Author(s)

Daniel S. Hussey, Adam J. Brooks, Caroline G. Lowery, Gerald L. Knapp, Bridget E. Cadigan, Shengmin Guo, Leslie G. Butler

A novel neutron far field interferometer is explored for sub-micron porosity detection in laser sintered SS316 test objects. The results shown are images and...

Design of Neutron Microscopes Equipped with Wolter-Mirror Condenser and Objective Optics for High-Fidelity Imaging and Beam Transport

April 21, 2021

Author(s)

Daniel S. Hussey, B. Khaykovich

We present and compare designs of three types of neutron microscopes for high-resolution neutron imaging. Like optical microscopes, our neutron microscopes have...

Heat transport capability and fluid flow neutron radiography of three-dimensional oscillating heat pipes

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson, R. A. Winholtz, Hongbin Ma, Corey Borgmeyer, Corey Wilson

An experimental investigation into the parameters affecting heat transport in two three-dimensional oscillating heat pipes (OHP) was implemented. A three...

Thermal And Visual Observation Of Water And Acetone Oscillating Heat Pipes

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson, Hongbin Ma, R. A. Winholtz, Corey Wilson, Corey Borgmeyer

Identical oscillating heat pipes (OHP) charged separately with water and acetone were observed thermally and visually at varying condenser temperatures and heat...

High resolution neutron radiography analysis of proton exchange membrane fuel cells

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson

Neutron radiography enables direct visualization and quantification of many water transport phenomena in proton exchange membrane fuel cells (PEMFCs). The...

Water Distribution Variation in Partially Saturated Granular Materials Using Neutron Imaging

April 21, 2021

Author(s)

Daniel S. Hussey, Felix Kim, Dayakar Penumadu

The use of neutron imaging is demonstrated for visualizing and quantifying water content in partially saturated granular porous media. Due to the unique...

Average Soil Water Retention Curves Measured by Neutron Radiography

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson, Chu-lin Cheng, Misun Kang, Juske Horita, sophie voisin, Hassina Bilheux, Warren Jeffery, Edward Perfect

Water retention curves are essential for understanding the hydrologic behavior of partially- saturated porous media and modeling flow transport processes within...

Accurate measurement of the through-plane water content of proton-exchange membranes using neutron radiography

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson, Dusan Spernjak, Adam Weber, Rangachary Mukundan, Joseph Fairweather, Eric Brosha, John Davey, Jacob Spendelow, Rodney Borup

The water sorption of proton-exchange membranes (PEMs) was measured in situ using high-resolution neutron imaging in small-scale fuel-cell test sections. A...

Effects of Cathode Corrosion on Through-Plane Water Transport in Proton Exchange Membrane Fuel Cells

April 21, 2021

Author(s)

Daniel S. Hussey, Joseph Fairweather, Dusan Spernjak, Adam Weber, David Harvey, Silvia Wessell, David L. Jacobson, Kateryna Artyushkova, Rangachary Mukundan, Rodney Borup

The corrosion of carbon in the electrode supports of proton-exchange-membrane fuel cells leads to electrode collapse, reduced active catalyst area, and...

Far-field interference of a neutron white beam and the applications to noninvasive phase-contrast imaging

April 21, 2021

Author(s)

Michael G. Huber, Daniel S. Hussey, Muhammad D. Arif, David L. Jacobson, Jacob LaManna, Wakana Ueno, Han Wen, Dmitry Pushin, Dusan Sarenac, David Cory, Houxun Miao, Takenao Shinohara, Joseph Parker

The phenomenon of interference plays a crucial role in the field of precision measurement science. Waveparticle duality has expanded the well-known interference...

High spatial resolution neutron detector based on event reconstruction of neutron capture in gadolinium oxysulfide scintillators

April 21, 2021

Author(s)

Daniel S. Hussey, Jacob LaManna, Eli Baltic, David L. Jacobson

We report on efforts to improve the achievable spatial resolution in neutron imaging by centroiding the scintillation light from gadolinium oxysulfide...

Demonstration of focusing Wolter mirrors for neutron phase and magnetic imaging

April 21, 2021

Author(s)

Daniel S. Hussey, Han Wen, Huarui Wu, Thomas R. Gentile, Wangchun Chen, David L. Jacobson, Jacob LaManna, B. Khaykovich

Image-forming focusing mirrors were employed to demonstrate two different modalities of neutron imaging, phase imaging with a far-field interferometer, and...

Three Phase-Grating Moire Neutron Interferometer for Large InterferometerArea Applications

April 21, 2021

Author(s)

Michael G. Huber, D. Sarenac, D. A. Pushin, Houxun Miao, Daniel S. Hussey, D G. Cory, Muhammad D. Arif, David L. Jacobson, Jacob LaManna, Ben Heacock

We demonstrate a three phase-grating neutron interferometer as a robust candidate for large area interferometry applications and characterization of materials...

Feasibility evaluation of a neutron grating interferometer with an analyzer grating based on a structured scintillator

April 21, 2021

Author(s)

Daniel S. Hussey, Youngju Kim, Jongyul Kim, Seung W. Lee

We introduce an analyzer grating based on a structured scintillator fabricated by a gadolinium oxysulfide powder filling method for a symmetric Talbot-Lau...

Multi-scale analyses of constituent phases in a trip-assisted duplex stainless steel by electron backscatter diffraction, in situ neutron diffraction, and energy selective neutron imaging

April 21, 2021

Author(s)

Daniel S. Hussey, Wanchuck Woo, Jongyul Kim

Micrometer to centimeter scale analyses of the crystalline phase volume fractions in a trip- assisted duplex stainless steel were performed as a function strain...

High-resolution neutron depolarization microscopy of the ferromagnetic transitions inNi3Al and HgCr2Se4 under pressure

April 21, 2021

Author(s)

Daniel S. Hussey, Muhammad Abir, B. Khaykovich, C. Pfleiderer, Pau Jorba, Marc Seifert, Michael Schulz

We performed spatially resolved imaging of ferromagnetic transitions in Ni3Al and HgCr2Se4 crystals. These neutron depolarization measurements discovered bulk...

Probing Transport Limitations in Thick Sintered Battery Electrodes with Neutron Imaging

April 21, 2021

Author(s)

Daniel S. Hussey, Gary Koenig, Jacob LaManna, David L. Jacobson

Lithium-ion batteries receive significant research effort due to their advantages in energy and power density that is important to enabling many devices. One...

Demonstration of Small-Angle Neutron Scattering Measurements with a Nested Neutron-Focusing Supermirror Assembly

April 21, 2021

Author(s)

Huarui Wu, Zhiyuan Wang, Yao Zhang, Wenbo Mo, Pulin Bai, Kun Song, Zhong Zhang, Zhanshan Wang, Daniel S. Hussey, Yun Liu, Zhe Wang, Xuewu Wang

Neutron-focusing mirrors with both a nested structure and supermirror coatings enable a large collecting area, and consequently a large neutron current gain for...

Design of a neutron microscope based on Wolter mirrors

April 21, 2021

Author(s)

Daniel S. Hussey, B. Khaykovich, Jeremy C. Cook, David L. Jacobson, Jacob LaManna, Kiranmayee Kilaru, Brian Ramsey, M. V. Gubarev

The predominate geometry for a neutron imaging experiment is that of a pinhole camera. This is primarily due to the difficulty in focusing neutrons due to the...

Thick Sintered Electrode Lithium-Ion Battery Discharge Simulations: Incorporating Lithiation-Dependent Electronic Conductivity and Lithiation Gradient due to Charge Cycle

April 21, 2021

Author(s)

Daniel S. Hussey, Jacob LaManna, David L. Jacobson, Gary Koenig

In efforts to increase the energy density of lithium-ion batteries, researchers have attempted to both increase the thickness of battery electrodes and increase...

Cold Neutron Radiation Does Effects on a ⁶LiF:ZnS(Ag) Neutron Detector with Wavelenght Shifting Fibers and SiPM Photodectector

April 21, 2021

Author(s)

Kevin NMN Pritchard, Daniel S. Hussey, A. Osovizky, Jeffrey B Ziegler, Louis Edward Binkley, Peter Tsai, Nancy Hadad, M. Jackson, C. Hurlbut, George M Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj

A 6LiF:ZnS(Ag) based cold neutron detector with wavelength shifting (WLS) fibers and SiPM photodetector was developed at the NIST Center for Neutron Research...

Understanding water management in platinum group metal-free electrodes using neutron imaging

April 21, 2021

Author(s)

Daniel S. Hussey, David L. Jacobson

Platinum group metal-free (PGM-free) catalysts are a low-cost alternative to expensive PGM catalysts for polymer electrolyte fuel cells. However, due to the low...

A portable triaxial cell for beamline imaging of rocks under triaxial state of stress

April 21, 2021

Author(s)

Amer Syed, Yukie Tanino, Jacob LaManna, David L. Jacobson, Daniel S. Hussey, Eli Baltic, Genoveva Burca

With recent developments in direct imaging techniques using x-ray and neutron imaging, there is an increasing need for an efficient design of a test setup to...

Laser-based temperature control to study the roles of entropy and enthalpy in polymer-nanopore interactions

April 21, 2021

Author(s)

Christopher Angevine, Joseph W. Robertson, Amala Dass, Joseph E. Reiner

Critical Theory for Breakdown of Photon Blockade

April 21, 2021

Author(s)

Jonathan Curtis, Igor Boettcher, Jeremy Young, Mohammad Maghrebi, Howard Carmichael, Alexey Gorshkov, Michael Foss-Feig

Practical quantum-enhanced receivers for classical communication

April 20, 2021

Author(s)

Ivan Burenkov, Jabir Marakkarakath Vadakkepurayil, Sergey Polyakov

Communication is an integral part of human life. Today, optical pulses are the preferred information carriers for long-distance communication. The exponential...