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Neutron research

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Displaying 451 - 475 of 914

Neutron Scattering in the Biological Sciences: Progress and Prospects

December 1, 2018
Author(s)
Rana Ashkar, Hassina Z. Bilheux, Heliosa Bordallo, Robert Briber, David J. E. Callaway, Xiaolin Cheng, Xiang-Qiang Chu, Joseph E. Curtis, Mark Dadmun, Paul Fenimore, David Fushman, Frank Gabel, Kushol Gupta, Frederick Herberle, Frank Heinrich, Liang Hong, John Katsaras, Zvi Kelman, Eugenia Kharlampieva, Gerald R. Kneller, Andrey Kovalevsky, Susan T. Krueger, Paul Langan, Raquel Lieberman, Yun Liu, Mathias Losche, Edward Lyman, Yimin NMN Mao, John Marino, Carla Mattos, Flora Meilleur, Peter Moody, Jonathan D. Nickels, William B. O'Dell, Hugh O'Neill, Ursula Perez-Salas, Judith Peters, Loukas Petridis, Alexei P. Sokolov, Robert Sutherland, Norman Wagner, Michael NMN Weinrich, Kevin Weiss, Troy Wymore, Yang Zhang, Jeremy C. Smith
The scattering of neutrons can be used to provide information on the structure and dynamics of biological systems on multiple scales of length and time. Pursuant to an NSF-funded workshop in February 2018, we review recent developments in this field as

Record High Hydrogen Storage Capacity in the Metal-Organic Framework Ni 2 (m-dobdc) at Near-Ambient Temperatures

November 27, 2018
Author(s)
Matthew T. Kapelewski, Tomce Runcevski, Jacob Daniel Tarver, Henry Z. H. Jiang, Katherine E. Hurst, Philip A. Parilla, Anthony Ayala, Thomas Gennett, Stephen A. FitzGerald, Craig Brown, Jeffrey R. Long
H 2 provides promise as a clean automobile fuel, but storage typically requires high pressure to achieve reasonable driving ranges. Adsorption of H 2 in metal-organic frameworks is one of the most well-studied applications of this class of materials due to

Thermal Pulse for Rapid Surface Processing of Solid-State Electrolytes

November 10, 2018
Author(s)
Chengwei Wang, Hua Xie, Weiwei Ping, Jiaqi Dai, Jamie Weaver, Guolin Feng, Yonggang Yao, Shuaiming He, Howard Wang, Karen Gaskell, Liangbing Hu
Surface contamination and degradation are two main issues leading to performance decay of ceramic-based solid-state electrolytes (SSEs). The typical strategies used to clean surface contaminants and restore ceramic materials involve mechanical polishing or

An Energy Analyzing Detector for Cold Neutrons

November 1, 2018
Author(s)
Nicholas C. Maliszewskyj, A. Osovizky, Kevin Pritchard, Y. Yehuda-Zada, Louis E. Binkley, Jeffrey B. Ziegler, Peter Tsai, Nancy J. Hadad, George M. Baltic, M. Jackson, C. Hurlbut, Charles F. Majkrzak

Tracking the Progression of Anion Reorientational Behavior between a-Phase and b-Phase Alkali-Metal Silanides, MSIH 3 , by Quasielastic Neutron Scattering

October 25, 2018
Author(s)
Mirjana NMN Dimitrievska, Jean-Noel Chotard, Raphael Janot, Antonio Faraone, Wan Si Tang, Alexander V. Skripov, Terrence J. Udovic
Quasielastic neutron scattering (QENS) measurements over a wide range of resolutions were used to probe the reorientational behavior of the pyramidal SiH 3- anions in the mono-alkali silanides (MSiH 3, where M-K, Rb, and Cs) within the low-temperature

Two Inherent Crossovers of the Diffusion Process in Glass-Forming Liquids

October 5, 2018
Author(s)
Maiko Kofu, Antonio Faraone, Madhu Sudan Tyagi, Michihiro Nagao, Osamu Yamamuro
We report on incoherent quasielastic neutron scattering measurements examining a self-diffusion process in two types of glass-forming liquids, a molecular liquid (3-methylpentane) and an ionic liquid (1-butyl-3-methylimidazolium bis

Visualizing Structural Transformation and Guest Binding in a Flexible Metal-Organic Framework under High Pressure and Room Temperature

October 1, 2018
Author(s)
Hui Yang, Feng Guo, Prem Lama, Gaurav Verma, Wen-Yang Gao, Hui Wu, Leonard J. Barbour, Wei Zhou, Jian Zhang, Briana Aguila, Shengqian Ma
Understanding effect of gas molecules on the framework structures upon gas sorption in porous materials is highly desirable for the development of gas storage and separation technologies. However, this remains challenging for flexible metal-organic

Natural Alteration of 6Li Neutron Shielding Glass

September 21, 2018
Author(s)
Jamie L. Weaver, Danyal J. Turkoglu
Li-6 alumino-silicate glass, a neutron shielding material, has been studied to determine if and to what extent it alters under natural conditions. Analyses included neutron depth profiling, prompt gamma activation analysis, x-ray diffraction, and scanning
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