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Neutron research

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Displaying 101 - 125 of 1579

The Complex, Unique and Powerful Imaging Instrument for Dynamics (CUPI2D) at the Spallation Neutron Source

May 12, 2023
Author(s)
Adrian Brugger, Alexandru Biris, Jason Harp, Matthew Connolly, George Nelson, Fernando Luis Esteban Florez, Hassina Bilheux, Jiao Lin, Jeffrey Warren, Andrew Kiss, Roland Pellenq, Ann Junghans, Jonathan Morris, Alexander Long, Anton Tremsin, Andrea Strzelec, Mark Anderson, Robert Agasie, Charles FINNEY, Martin Wissink, MIJA HUBLER, Claire White, Brent Heuser, Aaron Craft, Chuting Tan, Kathryn Morris, Sanna Sevanto, Nikolay Kardjilov, Burkhard Schillinger, Matthew Frost, Sven C. Vogel, Maria Cekanova
The Oak Ridge National Laboratory is planning to build the Second Target Station (STS) at the Spallation Neutron Source (SNS). STS will host a suite of novel instruments that complements the First Target Station's beamline capabilities by offering

Dynamics of the Extended and Intermediate Range Order in Model Polymer Electrolyte Poly(Ethylene Oxide) and Lithium Bis(Trifluoromethanesulfonyl)imide

April 17, 2023
Author(s)
Peter Falus, Antonio Faraone, Stephan Forster, Kunlun Hong, Michael Ohl
The dynamics of lithium ions and polymer chains were investigated at the molecular scale in the model polymer electrolyte Poly (Ethylene Oxide) (PEO)/Lithium bis(trifluoromethanesulfonyl)imide as a function of temperature. This system is known to present

Investigating the Effect of Medium Chain Triglycerides on the Elasticity of Pulmonary Surfactant

April 17, 2023
Author(s)
Dominik Dziura, Stuart R. Castillo, Mitchell DiPasquale, Omotaya Gbadamosi, Piotr Zolnierczuk, Michihiro Nagao, Elizabeth Kelley, Drew Marquardt
In recent years, vaping has increased in both popularity and ease of access. This has led to an outbreak of a relatively new condition known as e-cigarette/vaping-associated lung injury (EVALI). This injury can be caused by physical interactions between

Modeling Approach for the Design of the NIST Neutron Source

April 16, 2023
Author(s)
Abdullah Weiss, Osman Celikten, Anil Gurgen, Joy Shen, Dagistan Sahin, Yaniv Shaposhnik
The NIST Neutron Source, or NNS, is a proposed new research reactor at the NIST Center for Neutron Research to replace the currently operational, but aging, National Bureau of Standards Reactor (NBSR). The NNS is currently in the pre-conceptual design

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 (PGMI) with two or three phase gratings have been developed. These phase-grating systems use

A Goldilocks Approach to Water Management: Amphiphilic Porous Transport Layers for Unitized Reversible Fuel Cells

March 14, 2023
Author(s)
Siddharth Komini Babu, Abdurrahman Yilmaz, Md Aman Uddin, Jacob LaManna, Elias Baltic, David Jacobson, Ugur Pasaogullari, Jacob Spendelow
Unitized reversible fuel cells (URFCs) are a promising option for both local and grid-scale energy storage, and could help facilitate the deployment of intermittent renewable power sources. URFCs consist of a single cell that operates in both fuel cell (FC

Thermal Polymorphism in CsCB11H12

March 1, 2023
Author(s)
Radovan Cerny, Matteo Brighi, Hui Wu, Wei Zhou, Mirjana Dimitrievska, Fabrizio Murgia, Valerio Gulino, Petra de Jongh, Benjamin Trump, Terrence J. Udovic
Thermal polymorphism in the alkali-metal salts incorporating the icosohedral monocarba-hydridoborate anion, CB11H12, results in intriguing dynamical properties leading to superionic conductivity for the lightest alkali-metal analogues, LiCB11H12 and

Nanoscale Bending Dynamics in Mixed-Chain Lipid Membranes

January 9, 2023
Author(s)
Elizabeth Kelley, Moritz Frewein, Orsolya Czakkel, Michihiro Nagao
Lipids that have two tails of different lengths are found throughout biomembranes in nature, yet the effects of this asymmetry on the membrane properties, are not well understood, especially when it comes to the membrane dynamics. Here we study the

Characterizing the ZrBe 2 H x Phase Diagram via Neutron Scattering Methods

January 1, 2023
Author(s)
Hui Wu, Wei Zhou, Terrence J. Udovic, Jr. Bowman, Bjorn C. Hauback
It is well-known that ZrBe 2H 1.5 exists as a single-phase hydride with hexagonal P6/mmm symmetry that undergoes some type of hydrogen sublattice ordering below 200 K (235-250 K for ZrBe 2D 1.5&). Both neutron powder diffraction and neutron vibrational
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