Search Results - "Parise, J B"

Molten uranium dioxide structure and dynamics by Skinner, L. B., Benmore, C. J., Weber, J. K. R., Williamson, M. A., Tamalonis, A., Hebden, A., Wiencek, T., Alderman, O. L. G., Guthrie, M., Leibowitz, L., Parise, J. B.

“…Uranium dioxide (UO2) is the major nuclear fuel component of fission power reactors. A key concern during severe accidents is the melting and leakage of…”
Get full text

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…”
Get full text

Structure and Liquid Fragility in Sodium Carbonate by Wilson, Mark, Ribeiro, Mauro C. C, Wilding, Martin C, Benmore, Chris, Weber, J. K. R, Alderman, Oliver, Tamalonis, Anthony, Parise, J. B

“…The relationship between local structure and dynamics is explored for molten sodium carbonate. A flexible fluctuating-charge model, which allows for changes in…”
Get full text

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…”
Get full text

A time resolved high energy X-ray diffraction study of cooling liquid SiO2 by Skinner, L B, Benmore, C J, Weber, J K R, Wilding, M C, Tumber, S K, Parise, J B

“…The evolution of the X-ray structure factor and corresponding pair distribution function of SiO2 has been measured upon cooling from the melt using high energy…”
Get more information

Synthesis and characterization of a new structure of gas hydrate by Yang, L, Tulk, C.A, Klug, D.D, Moudrakovski, I.L, Ratcliffe, C.I, Ripmeester, J.A, Chakoumakos, B.C, Ehm, L, Martin, C.D, Parise, J.B

“…Atoms and molecules <0.9 nm in diameter can be incorporated in the cages formed by hydrogen-bonded water molecules making up the crystalline solid clathrate…”
Get full text

High-pressure behavior of otavite (CdCO 3) by Minch, R., Seoung, D.-H., Ehm, L., Winkler, B., Knorr, K., Peters, L., Borkowski, L.A., Parise, J.B., Lee, Y., Dubrovinsky, L., Depmeier, W.

“…▶ The calcite-type structure of CdCO 3 is stable up to at least ∼19 GPa. ▶ DFT calculations suggest a calcite–aragonite-type phase transition in CdCO 3 at 30…”
Get full text

NaMgF3: A low-pressure analog of MgSiO3 by Umemoto, K., Wentzcovitch, R. M., Weidner, D. J., Parise, J. B.

“…Using first principles computations we show that NaMgF3 perovskite undergoes the same series of phase transitions as MgSiO3 perovskite, that is, the…”
Get full text

Synthesis of yttrium iron garnet (YIG) by citrate–nitrate gel combustion and precursor plasma spray processes by Guo, X.Z., Ravi, B.G., Devi, P.S., Hanson, J.C., Margolies, J., Gambino, R.J., Parise, J.B., Sampath, S.

“…The influence of synthesis conditions on the formation of yttrium iron garnet (YIG) powders starting from the same precursor solution was investigated by…”
Get full text

Short- to Medium-Range Atomic Order and Crystallite Size of the Initial FeS Precipitate from Pair Distribution Function Analysis by Michel, F. M, Antao, S. M, Chupas, P. J, Lee, P. L, Parise, J. B, Schoonen, M. A. A

“…Pair distribution function analysis (PDF) of X-ray diffraction data, collected at 11-IDC and 1-ID at the Advanced Photon Source, provides the atomic structure…”
Get full text

Phase evolution and magnetic properties of Al substituted yttrium iron garnet nanopowders and plasma-sprayed coatings by Ravi, B.G., Guo, X.Z., Yan, Q.Y., Gambino, R.J., Sampath, S., Parise, J.B.

“…Aluminum-substituted yttrium iron garnet (Al-YIG) nanostructured powders were synthesized using a citrate–nitrate gel combustion process. Atmospheric…”
Get full text

Hydrothermal Synthesis of Pure α-Phase Manganese(II) Sulfide without the Use of Organic Reagents by Michel, F. M, Schoonen, M. A. A, Zhang, X. V, Martin, S. T, Parise, J. B

“…Recent studies exploring the role of metal sulfides as (photo)catalysts in prebiotic synthesis reactions provide the impetus for finding carbon-free synthesis…”
Get full text

In situ formation of coestite under hydrothermal conditions by Wilding, M. C., Ridley, C. J., Bull, C. L., Parise, J. B.

“…We present the in situ neutron diffraction data of a water and silica mixture at high pressure and temperature. We show initially the formation of ice VI at…”
Get full text

The Stuffed Framework Structure of BaGa2O4 by Kahlenberg, V., Fischer, R.X., Parise, J.B.

“…Crystals of barium monogallate were obtained by growth from a stoichiometric melt at 1350°C. The hexagonal crystals belong to space group P63, a=18.6403(7) Å…”
Get full text

First Structural Investigation of a Super-Hydrated Zeolite by Lee, Yongjae, Hriljac, Joseph A, Vogt, Thomas, Parise, John B, Artioli, Gilberto

Get full text

In situ type study of hydrothermally prepared titanates and silicotitanates by Clearfield, A, Tripathi, A, Medvedev, D, Celestian, A J, Parise, J B

“…One of the most vexing problems facing the nuclear industry and countries with nuclear weapons is the safe disposal of the generated nuclear waste. Huge…”
Get full text

Phase and microstructure evolution in precursor plasma-sprayed YIG coatings by Guo, X.Z, Ravi, B.G., Yan, Q.Y., Gambino, R.J., Sampath, S., Margolies, J., Parise, J.B.

“…Yttrium iron garnet (YIG) coatings were prepared using a liquid precursor plasma spray (PPS) method. Regular and reverse co-precipitated feedstock sols were…”
Get full text

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…”
Get full text

Hydrogen bonding interactions in phase A [Mg 7 Si 2 O 8 (OH) 6 ] at ambient and high pressure by Kagi, H., Parise, J. B., Cho, H., Rossman, G. R., Loveday, J. S.

“…Neutron powder diffraction data of phase A (Mg7Si2O8(OH)6) were collected at ambient pressure and 3.2 GPa (calculated from the compressibility of phase A) from…”
Get full text

Structural Changes in Vitreous GeSe4 under Pressure by Skinner, L. B, Benmore, C. J, Antao, S, Soignard, E, Amin, S. A, Bychkov, E, Rissi, E, Parise, J. B, Yarger, J. L

“…High-energy X-ray diffraction experiments have been performed on GeSe4 glass up to pressures of 8.6 GPa, and the equation of state has been measured up to 10…”
Get full text