Search Results - "Neuefeind, J."

Local Structure and Short-Range Order in a NiCoCr Solid Solution Alloy by Zhang, F X, Zhao, Shijun, Jin, Ke, Xue, H, Velisa, G, Bei, H, Huang, R, Ko, J Y P, Pagan, D C, Neuefeind, J C, Weber, W J, Zhang, Yanwen

“…Multielement solid solution alloys are intrinsically disordered on the atomic scale, and many of their advanced properties originate from the local structural…”
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Pressure-induced fcc to hcp phase transition in Ni-based high entropy solid solution alloys by Zhang, F. X., Zhao, Shijun, Jin, Ke, Bei, H., Popov, D., Park, Changyong, Neuefeind, J. C., Weber, W. J., Zhang, Yanwen

“…A pressure-induced phase transition from the fcc to a hexagonal close-packed (hcp) structure was found in NiCoCrFe solid solution alloy starting at 13.5 GPa…”
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Investigation of the thermal and neutron irradiation response of BAM-11 bulk metallic glass by Brechtl, J., Wang, H., Kumar, N.A.P.K., Yang, T., Lin, Y.-R., Bei, H., Neuefeind, J., Dmowski, W., Zinkle, S.J.

“…Zr52.5Cu17.9Ni14.6Al10Ti5 (BAM-11) bulk metallic glass was irradiated by neutrons to a fluence of 1.4 × 1020 n/cm2 (E > 0.1 MeV) (0.1 displacements per atom,…”
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Temperature Dependent Local Atomic Structure and Vibrational Dynamics of Barium Hydride and Calcium Hydride by Novak, E, Daemen, L, Page, K, Neuefeind, J, Everett, M, Egami, T, Jalarvo, N

“…Solid-state ionic conductors that exhibit pure ionic transport of hydride anions are rare. In this study, we investigate two alkaline earth metal hydrides,…”
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Structure of Molten CaSiO3: Neutron Diffraction Isotope Substitution with Aerodynamic Levitation and Molecular Dynamics Study by Skinner, L. B, Benmore, C. J, Weber, J. K. R, Tumber, S, Lazareva, L, Neuefeind, J, Santodonato, L, Du, J, Parise, J. B

“…We have performed neutron diffraction isotopic substitution experiments on aerodynamically levitated droplets of CaSiO3, to directly extract intermediate and…”
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Incommensurate Magnetism Near Quantum Criticality in CeNiAsO by Wu, Shan, Phelan, W A, Liu, L, Morey, J R, Tutmaher, J A, Neuefeind, J C, Huq, Ashfia, Stone, Matthew B, Feygenson, M, Tam, David W, Frandsen, Benjamin A, Trump, Benjamin, Wan, Cheng, Dunsiger, S R, McQueen, T M, Uemura, Y J, Broholm, C L

“…We report the discovery of incommensurate magnetism near quantum criticality in CeNiAsO through neutron scattering and zero field muon spin rotation. For…”
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Experimental Coordination Environment of Uranyl(VI) in Aqueous Solution by Neuefeind, J, Soderholm, L, Skanthakumar, S

“…The coordination environment of a molecular UO2 2+ ion in aqueous solution is determined with X-ray scattering and interpreted taking into account the electron…”
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Mechanisms of Metal Ion Transfer into Room-Temperature Ionic Liquids:  The Role of Anion Exchange by Jensen, Mark P, Neuefeind, Jörg, Beitz, James V, Skanthakumar, S, Soderholm, L

“…The structure and stoichiometry of the lanthanide(III) (Ln) complexes with the ligand 2-thenoyltrifluoroacetone (Htta) formed in a biphasic aqueous…”
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Acoustic levitator for structure measurements on low temperature liquid droplets by Weber, J K R, Rey, C A, Neuefeind, J, Benmore, C J

“…A single-axis acoustic levitator was constructed and used to levitate liquid and solid drops of 1-3 mm in diameter at temperatures in the range -40 to +40…”
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Low cation coordination in oxide melts by Skinner, L B, Benmore, C J, Weber, J K R, Du, J, Neuefeind, J, Tumber, S K, Parise, J B

“…The complete set of partial pair distribution functions for a rare earth oxide liquid are measured by combining aerodynamic levitation, neutron and x-ray…”
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Determination of actinide speciation in solution using high-energy X-ray scattering by Soderholm, L, Skanthakumar, S, Neuefeind, J

“…High-energy X-ray scattering (HEXS) has been used to understand the coordination environment of the uranyl ion in a perchlorate solution. Assuming the two…”
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Thermodynamic non-ideality and disorder heterogeneity in actinide silicate solid solutions by Marcial, J., Zhang, Y., Zhao, X., Xu, H., Mesbah, A., Nienhuis, E. T., Szenknect, S., Neuefeind, J. C., Lin, J., Qi, L., Migdisov, A. A., Ewing, R. C., Dacheux, N., McCloy, J. S., Guo, X.

“…Non-ideal thermodynamics of solid solutions can greatly impact materials degradation behavior. We have investigated an actinide silicate solid solution system…”
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Mercury Sulfide Dimorphism in Thioarsenate Glasses by Kassem, M, Sokolov, A, Cuisset, A, Usuki, T, Khaoulani, S, Masselin, P, Le Coq, D, Neuefeind, J. C, Feygenson, M, Hannon, A. C, Benmore, C. J, Bychkov, E

“…Crystalline mercury sulfide exists in two drastically different polymorphic forms in different domains of the P,T-diagram: red chain-like insulator α-HgS,…”
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The Spallation Neutron Source in Oak Ridge: A powerful tool for materials research by Mason, T.E., Abernathy, D., Anderson, I., Ankner, J., Egami, T., Ehlers, G., Ekkebus, A., Granroth, G., Hagen, M., Herwig, K., Hodges, J., Hoffmann, C., Horak, C., Horton, L., Klose, F., Larese, J., Mesecar, A., Myles, D., Neuefeind, J., Ohl, M., Tulk, C., Wang, X-L., Zhao, J.

“…When completed in 2006, the Spallation Neutron Source (SNS) will use an accelerator to produce the most intense beams of pulsed neutrons in the world. This…”
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Structural Studies of Several Distinct Metastable Forms of Amorphous Ice by Tulk, C. A., Benmore, C. J., Urquidi, J., Klug, D. D., Neuefeind, J., Tomberli, B., Egelstaff, P. A.

“…Structural changes during annealing of high-density amorphous ice were studied with both neutron and x-ray diffraction. The first diffraction peak was followed…”
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Measurements of liquid and glass structures using aerodynamic levitation and in-situ high energy x-ray and neutron scattering by Weber, J.K.R., Benmore, C.J., Skinner, L.B., Neuefeind, J., Tumber, S.K., Jennings, G., Santodonato, L.J., Jin, D., Du, J., Parise, J.B.

“…Investigation of high temperature molten materials and their evolution to the amorphous state is often hampered by unwanted reactions with container surfaces…”
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Medium range order and structural relaxation in As–Se network glasses through FSDP analysis by Golovchak, R., Lucas, P., Oelgoetz, J., Kovalskiy, A., York-Winegar, J., Saiyasombat, Ch, Shpotyuk, O., Feygenson, M., Neuefeind, J., Jain, H.

“…Synchrotron X-ray diffraction and neutron scattering studies are performed on As–Se glasses in two states: as-prepared (rejuvenated) and aged for ∼27 years…”
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Density driven structural transformations in amorphous semiconductor clathrates by Tulk, C. A., dos Santos, A. M., Neuefeind, J. C., Molaison, J. J., Sales, B. C., Honkimäki, V.

“…The pressure induced crystalline collapse at 14.7 GPa of the semiconductor clathrate Sr8Ga16Ge30 and its polyamorphic structures are reported up to 35 GPa…”
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More accurate X-ray scattering data of deeply supercooled bulk liquid water by Neuefeind, J., Benmore, C.J., Weber, J.K.R., Paschek, D.

“…Deeply supercooled water droplets held containerless in an acoustic levitator are investigated with high-energy X-ray scattering. The temperature dependence of…”
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Short-range order of Zr62-xTixAl10Cu20Ni8 bulk metallic glasses by MATTERN, N, KÜHN, U, HERMANN, H, EHRENBERG, H, NEUEFEIND, J, ECKERT, J

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