Search Results - "Conradson, S."

Crystallization of polarons through charge and spin ordering transitions in 1T-TaS2 by Bozin, E. S., Abeykoon, M., Conradson, S., Baldinozzi, G., Sutar, P., Mihailovic, D.

“…The interaction of electrons with the lattice in metals can lead to reduction of their kinetic energy to the point where they may form heavy, dressed…”
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Density Functional Theory Calculations of UO2 Oxidation: Evolution of UO2+x , U4O9–y , U3O7, and U3O8 by Andersson, D. A, Baldinozzi, G, Desgranges, L, Conradson, D. R, Conradson, S. D

“…Formation of hyperstoichiometric uranium dioxide, UO2+x , derived from the fluorite structure was investigated by means of density functional theory (DFT)…”
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Charge compensation mechanisms in U 1-x Gd x O 2 and Th 1-x Gd x O 2-x/2 studied by X-ray Absorption Spectroscopy by Bès, R., Pakarinen, J., Baena, A., Conradson, S., Verwerft, M., Tuomisto, F.

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Characterization of cores from an in-situ recovery mined uranium deposit in Wyoming: Implications for post-mining restoration by WoldeGabriel, G., Boukhalfa, H., Ware, S.D., Cheshire, M., Reimus, P., Heikoop, J., Conradson, S.D., Batuk, O., Havrilla, G., House, B., Simmons, A., Clay, J., Basu, A., Christensen, J.N., Brown, S.T., DePaolo, D.J.

“…In-situ recovery (ISR) of uranium (U) from sandstone-type roll-front deposits is a technology that involves the injection of solutions that consist of ground…”
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Spectroscopic Investigations of the Structural Phase Transition in Gd2(Ti1 - y Zr y )2O7 Pyrochlores by Hess, N. J, Begg, B. D, Conradson, S. D, McCready, D. E, Gassman, P. L, Weber, W. J

“…The Gd2(Ti1 - y Zr y )2O7 pyrochlore series undergoes a structural phase transition from pyrochlore (Fd3̄m) to defect fluorite (Fm3̄m) that can be driven…”
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Characterisation of oxide dispersion-strengthened steel by extended X-ray absorption spectroscopy for its use under irradiation by Degueldre, C., Conradson, S., Hoffelner, W.

“…An oxide dispersion-strengthened (ODS) steel (Fe, Cr, Al) has been investigated by extended X-ray absorption fine structure (EXAFS) spectroscopy with respect…”
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XANES identification of plutonium speciation in RFETS samples by LoPresti, V., Conradson, S.D., Clark, D.L.

“…Using primarily X-ray absorption near edge spectroscopy (XANES) with standards run in tandem with samples, probable plutonium speciation was determined for 13…”
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Characterization of ternary and quaternary zirconias by XRD and EXAFS: result comparison and data modeling by DEGUELDRE, C, CONRADSON, S

“…X-ray diffraction (XRD) data and extended X-ray absorption fine-structure spectroscopy (EXAFS) data are compared for a zirconia-based solid solution such as…”
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Change of the in-plane Cu-O bond distribution in La2CuO4.1 across Tc by MUSTRE DE LEON, J, ACOSTA-ALEJANDRO, M, CONRADSON, S. D, BISHOP, A. R

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Local structural characterization of Zn:Cd:Se ternary semiconductors by Camargo-Gamboa, G.J., Lezama Pacheco, J.S., Mustre de León, J., Conradson, S.D., Hernández-Calderón, I.

“…We have studied the local atomic structure around Zn and Cd, in CdSe, ZnSe, and ordered and disordered Zn 0.5Cd 0.5Se thin films, grown by molecular beam…”
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Evidence for an axial oxygen-centered lattice fluctuation associated with the superconducting transition in YBa2Cu3O7 by Mustre de Leon J, Conradson, SD, Batistic, I, I, Bishop, AR

“…The axial oxygen contributions to the Cu K-edge, polarized, extended X-ray- absorption fine structure of YBa2Cu3O7 are analyzed for T = 10 - 105 K, using a…”
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Characterization of Aqueous Plutonium(IV) Nitrate Complexes by Extended X-ray Absorption Fine Structure Spectroscopy by Allen, P. G, Veirs, D. K, Conradson, S. D, Smith, C. A, Marsh, S. F

“…The structures of the aqueous nitrate complexes of Pu(IV) have been studied by extended X-ray absorption fine-structure (EXAFS) at nitric acid concentrations…”
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Polaron origin for anharmonicity of the axial oxygen in YBa2Cu3O7 by MUSTRE DE LEON, J, BATISTIC, I, BISHOP, A. R, CONRADSON, S. D, TRUGMAN, S. A

“…Exact diagonalization results are presented of an electron-phonon model Hamiltonian for the O(4)-Cu(1)-O(4) cluster in YBa2Cu3O7. For large enough…”
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Speciation of Uranium in Fernald Soils by Molecular Spectroscopic Methods:  Characterization of Untreated Soils by Morris, David E, Allen, Patrick G, Berg, John M, Chisholm-Brause, Catherine J, Conradson, Steven D, Donohoe, Robert J, Hess, Nancy J, Musgrave, John A, Tait, C. Drew

“…A combination of X-ray absorption, optical luminescence, and Raman vibrational spectroscopies along with ancillary techniques such as energy dispersive…”
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High-temperature XAS study of Fe2SiO4 liquid : reduced coordination of ferrous iron by JACKSON, W. E, MUSTRE DE LEON, J, BROWN, G. E, WAYCHUNAS, G. A, CONRADSON, S. D, COMBES, J.-M

“…X-ray absorption spectroscopy (XAS) of Fe(2+) in Fe(2)SiO(4) liquid at 1575 kelvin and 10(-4) gigapascal (1 bar) shows that the Fe(2+) -O bond length is 1.98…”
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The incorporation of plutonium and neptunium in zirconolite and perovskite by Begg, B.D, Vance, E.R, Conradson, S.D

“…The incorporation of Pu and Np in one zirconolite and a number of perovskite formulations has been investigated under oxidising and reducing conditions. The Pu…”
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Local atomic structure around iodine in ZnSe:I by Lezama-Pacheco, J., Mustre de León, J., Espinosa, F.J., Rábago, F., Conradson, S.

“…We determined the local atomic structure around iodine dopant atoms in single-crystal samples of ZnSe:I by means of X-ray absorption fine structure (XAFS)…”
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The axial oxygen atom and superconductivity in YBa2Cu3O7 by CONRADSON, S. D, RAISTRICK, I. D

“…Changes in the copper K-edge x-ray absorption spectrum of YBa(2)Cu(3)O(7) across the critical temperature indicate that, accompanying the superconducting…”
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Solubility and sorption of redox-sensitive radionuclides (Np, Pu) in J-13 water from the Yucca Mountain site: comparison between experiment and theory by Runde, Wolfgang, Conradson, Steve D, Wes Efurd, D, Lu, NingPing, VanPelt, Craig E, Tait, C.Drew

“…This study presents the characterization of Pu-bearing precipitates and the results from uptake studies of Np and Pu on inorganic colloidal particulates in…”
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EXAFS spectroscopic study of neptunium(V) sorption at the α-FeOOH/water interface by COMBES, J.-M, CHISHOLM-BRAUSE, C. J, BROWN, G. E, PARKS, G. A, CONRADSON, S. D, ELLER, P. G, TRIAY, I. R, HOBART, D. E, MEIJER, A

“…The toxicity, potential mobility, and half-life of neptunium-237 made it one of the most important radionuclides to be stored in high-level radioactive waste…”
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