Search Results - "PELLIN, M. J"

Increased Silver Activity for Direct Propylene Epoxidation via Subnanometer Size Effects by Lei, Y, Mehmood, F, Lee, S, Greeley, J, Lee, B, Seifert, S, Winans, R.E, Elam, J.W, Meyer, R.J, Redfern, P.C, Teschner, D, Schlögl, R, Pellin, M.J, Curtiss, L.A, Vajda, S

“…Production of the industrial chemical propylene oxide is energy-intensive and environmentally unfriendly. Catalysts based on bulk silver surfaces with direct…”
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Oxidative dehydrogenation of cyclohexane over alumina-supported vanadium oxide nanoliths by Feng, H., Elam, J.W., Libera, J.A., Pellin, M.J., Stair, P.C.

“…In the oxidative dehydrogenation of cyclohexane by highly uniform vanadium oxide on alumina catalysts, the activity of vanadia polymers was higher than…”
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Improving Precision in Resonance Ionization Mass Spectrometry: Influence of Laser Bandwidth in Uranium Isotope Ratio Measurements by Isselhardt, B. H, Savina, M. R, Knight, K. B, Pellin, M. J, Hutcheon, I. D, Prussin, S. G

“…The use of broad bandwidth lasers with automated feedback control of wavelength was applied to the measurement of 235U/238U ratios by resonance ionization mass…”
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Catalytic nanoliths by Feng, H., Elam, J.W., Libera, J.A., Pellin, M.J., Stair, P.C.

“…The nanoporous anodic aluminum oxide (AAO) structure is shown to be a useful platform for heterogeneous catalysis. By appropriately masking the perimeter…”
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GaPO4 Sensors for Gravimetric Monitoring during Atomic Layer Deposition at High Temperatures by Elam, J. W, Pellin, M. J

“…The quartz crystal microbalance is extremely useful for in situ monitoring of thin-film growth by atomic layer deposition (ALD) in a viscous flow environment…”
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Development of ultrananocrystalline diamond (UNCD) coatings for multipurpose mechanical pump seals by Kovalchenko, A.M., Elam, J.W., Erdemir, A., Carlisle, J.A., Auciello, O., Libera, J.A., Pellin, M.J., Gruen, D.M., Hryn, J.N.

“…Ultrananocrystalline diamond coatings were deposited on SiC dynamic seals. Coatings were prepared by microwave plasma chemical vapor deposition. Utility of…”
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Atomic layer deposition of ZnO on ultralow-density nanoporous silica aerogel monoliths by Kucheyev, S. O., Biener, J., Wang, Y. M., Baumann, T. F., Wu, K. J., van Buuren, T., Hamza, A. V., Satcher, J. H., Elam, J. W., Pellin, M. J.

“…We report on atomic layer deposition of an ∼2-nm-thick ZnO layer on the inner surface of ultralow-density (∼0.5% of the full density) nanoporous silica aerogel…”
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Etching of hexagonal SiC surfaces in chlorine-containing gas media at ambient pressure by Zinovev, A.V., Moore, J.F., Hryn, J., Pellin, M.J.

“…The modification of the silicon carbide (4H-SiC) single-crystal surface in a chlorine-containing gas mixture at high temperature (800–1000 °C) and ambient…”
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Formation of neutral clusters during sputtering of gold by King, B.V., Veryovkin, I.V., Moore, J.F., Calaway, W.F., Pellin, M.J.

“…Polycrystalline Au was bombarded with 15 keV Ar +, and the resulting secondary neutral cluster yield distribution was measured by laser postionisation mass…”
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RIMS analysis of Ca and Cr in Genesis solar wind collectors by Veryovkin, I. V., Tripa, C. E., Zinovev, A. V., King, B. V., Pellin, M. J., Burnett, D. S.

“…RIMS depth profiles have been measured for Cr and Ca in Genesis solar wind collector made from Si and compared to such measurements for ion‐implanted Si…”
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Conformal ZnO coatings on high surface area silica gel using atomic layer deposition by Libera, J.A., Elam, J.W., Pellin, M.J.

“…Silica gel is a mesoporous form of silica with a high specific surface area that is widely used as a support material for heterogeneous catalysis. In this…”
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Gems at the galactic cosmic-ray source by WESTPHAL, A. J, DAVIS, A. M, LEVINE, J, PELLIN, M. J, SAVINA, M. R

“…Issue Title: The Composition of Matter Galactic cosmic rays probably predominantly originate from shock-accelerated gas and dust in superbubbles. It is usually…”
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Sputtering of clusters from nickel–aluminium by King, B.V., Moore, J.F., Calaway, W.F., Veryovkin, I.V., Pellin, M.J.

“…A NiAl(1 1 1) single crystal was bombarded with 15 keV Ar +, and the resulting secondary neutrals were analysed by laser postionisation secondary neutral mass…”
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Atomic layer deposition of palladium films on Al2O3 surfaces by Elam, J.W., Zinovev, A., Han, C.Y., Wang, H.H., Welp, U., Hryn, J.N., Pellin, M.J.

“…We examined the atomic layer deposition (ALD) of Pd films using sequential exposures of Pd(II) hexafluoroacetylacetonate (Pd(hfac)2) and formalin and…”
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Spatially controlled atomic layer deposition in porous materials by Elam, J. W., Libera, J. A., Pellin, M. J., Stair, P. C.

“…We describe a technique for depositing materials at controlled depths within porous substrates based upon the passivating effect produced by one precursor to…”
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Molybdenum Isotopic Composition of Individual Presolar Silicon Carbide Grains from the Murchison Meteorite by Nicolussi, G.K., Pellin, M.J., Lewis, R.S., Davis, A.M., Amari, S., Clayton, R.N.

“…We report the isotopic composition of molybdenum in twenty-three presolar SiC grains from the Murchison meteorite which have been measured by resonant…”
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Coating of SiC surface by thin carbon films using the carbide-derived carbon process by Zinovev, A.V., Elam, J.W., Moore, J.F., Hryn, J.N., Auciello, O., Carlisle, J.A., Pellin, M.J.

“…The conversion of silicon carbide surfaces into carbon upon exposure to a helium–chlorine–hydrogen gas mixture was studied. During this process, the more…”
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Constraining the 13C neutron source in AGB stars through isotopic analysis of trace elements in presolar SiC by Barzyk, J. G., Savina, M. R., Davis, A. M., Gallino, R., Gyngard, F., Amari, S., Zinner, E., Pellin, M. J., Lewis, R. S., Clayton, R. N.

“…— Analyses of the isotopic compositions of multiple elements (Mo, Zr, and Ba) in individual mainstream presolar SiC grains were done by resonant ionization…”
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Resonance-enhanced multiphoton ionization/secondary neutral mass spectrometry and cesium attachment secondary ion mass spectrometry of bronze: a comparison by McCann, M. P., Calaway, W. F., Pellin, M. J., Veryovkin, I. V., Constantinides, I., Adriaens, A., Adams, F.

“…Archaeologists have considerable interests in ancient bronzes. They want to know how these alloys were produced and how they corroded with time. Modern…”
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Isotopic Analysis of Ca from Extraterrestrial Micrometer-Sized SiC by Laser Desorption and Resonant Ionization Mass Spectroscopy by Nicolussi, G. K, Pellin, M. J, Calaway, W. F, Lewis, R. S, Davis, A. M, Amari, S, Clayton, R. N

“…The isotopic composition of calcium in a 2.8 μm SiC grain, isolated from the Murchison CM2 meteorite, has been measured by resonant ionization mass…”
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