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Displaying 126 - 150 of 2289

Investigation of Radioactivity in Selected Drinking Water Samples From Maryland

March 29, 2007
Author(s)
Iisa Outola, Svetlana Nour, Hiromu Kurosaki, Kenneth G. Inn, J J. La Rosa, Larry L. Lucas, Peter Volkovitsky, Kevin Koepenick
… followed by measurements of 222Rn, 226Ra and 228Ra, uranium and thorium isotopes, 210Po and 210Pb were carried … drinking water, polonium, radioactivity, radium, uranium, water softener …

Oxidation of Deuterium-, Acetylene-, and Ethylene-Terminated Si(100) by Atomic Oxygen

January 1, 2002
Author(s)
Maritoni Litorja, Steven A. Buntin
… The oxidation of deuterium-, ethylene- and acetylene-terminated … is observed, indicating that there first must be extensive oxidation of the near-surface region (greater than about 3 … the removal of chemisorbed carbon on Si(100). The O atom oxidation for oxygen coverages of about 1 ML to 3 ML in the …

VISCOSITY AND DENSITY OF ALUMINUM OXIDE NANOLUBRICANT

August 17, 2011
Author(s)
Mark A. Kedzierski
… measurements of a synthetic polyolester-based aluminum oxide (Al2O3) nanoparticle dispersion (nanolubricant) at … Aluminum oxide, density, nanolubricant, nanoparticles, viscosity … VISCOSITY AND DENSITY OF ALUMINUM OXIDE NANOLUBRICANT …

EUV-Driven Carbonaceous Film Deposition and Its Photo-oxidation on a TiO2 Film Surface

September 23, 2013
Author(s)
Nadir S. Faradzhev, Monica McEntee, John Yate, Shannon B. Hill, Thomas B. Lucatorto
… of adsorbed n-tetradecane and the subsequent photo-oxidation of this film. It is found by chemical analysis of … the C film increases significantly. The relative photo-oxidation activity of the molecules studied follows the … > NO O2 > H2O. For all oxidizers, the rate of the photo-oxidation reaction increases with the partial pressure of the …

Sub-bandgap defect states in polycrystalline hafnium oxide and their suppression by admixture of silicon

November 17, 2005
Author(s)
Nhan V. Nguyen, Martin M. Frank, Albert Davydov, Deane Chandler-Horowitz
… The crystallinity of atomic layer deposition hafnium oxide was found to be thickness-dependent with the thinnest … Bandgap, Crystallization, Defects, Hafnium oxide, Hafnium Silicate, Optical properties … Sub-bandgap defect states in polycrystalline hafnium oxide and their suppression by admixture of silicon …

Benzene Intermediates and Mechanisms during Catalytic Oxidation on the Pt (111) Surface Using Soft X-ray Fluorescence Methods

May 15, 2003
Author(s)
A L. Marsh, D J. Burnett, Daniel A. Fischer, J L. Gland
… The catalytic oxidation of benzene on the Pt(111) surface has been … spectroscopy (TP-FYNES). During temperature-programmed oxidation experiments in flowing oxygen a series of four … (FYNES) measurements. Adsorbed benzene inhibits oxidation below 370 K by inhibiting oxygen adsorption. Over …

A non-defect precursor gate oxide breakdown model

June 16, 2023
Author(s)
Kin (Charles) Cheung
… efforts to comprehend gate dielectric breakdown in metal-oxide-semiconductor-field-effect-transistors (MOSFETs). While … argued that the success of the percolation model for gate oxide breakdown precludes the role of defect precursors in gate oxide breakdown. It is proposed that defect creation involves …

Oxidative DNA Damage: Induction, Repair and Significance

September 1, 2004
Author(s)
M D. Evans, Miral M. Dizdar, M S. Cooke
… with numerous diseases. Of the molecules subject to oxidative modification, DNA has received the greatest … of enzyme systems responsible for repairing oxidative DNA base damage is growing rapidly, being the … ischaemia-reperfusion injury, neurodegenerative disease, oxidative DNA damage …

Wet chemical cleaning of plasma oxide grown on heated (001) InP surfaces

August 1, 2004
Author(s)
Bogdan Lita, O Pluchery, R L. Opila, Y J. Chabal, G. Bunea, J P. Holman, E J. Bekos
… solutions are shown to be effective in removing the plasma oxide and likely induce re-growth of oxides similar to those … to stabilize the surface, with little further growth of oxide in the hours following the wet chemical cleaning. … Wet chemical cleaning of plasma oxide grown on heated (001) InP surfaces …

Defect Enhanced Carbon Monoxide Oxidation at Elevated Oxygen Pressures on a Pt/Al 2 O 3 Thin Film

April 1, 2004
Author(s)
D J. Burnett, A M. Gabelnick, A L. Marsh, H D. Lewis, S M. Yalisove, Daniel A. Fischer, J L. Gland
… rbon monoxide oxidation experiments were performed on a well-characterized … At high oxygen pressures the reaction was enhanced by oxidation at defect sites.Temperature-programmed fluorescence … dramatically with increasing oxygen pressure. The oxidation temperture droppefrom 340 K when heated in 1 x IO- …

Correlation between Dzyaloshinskii-Moriya interaction and orbital angular momentum at an oxide-ferromagnet interface

January 21, 2020
Author(s)
Hans T. Nembach, Emilie M. Jue, Eric R. Evarts, Justin M. Shaw
… interaction at the interface between a ferromagnet and an oxide. We demonstrate experimentally that oxides can give … DMI. By comparison of systems comprised of Pt/Co 90 Fe 10 /oxide and Cu/Co 90 Fe 10 /oxide, we also show how oxidation of one interface can … interaction and orbital angular momentum at an oxide-ferromagnet interface …

Comparisons of Propylene and Propyne Catalytic Oxidation on a 10 Angstrom Pt/Al 2 O 3 Thin Film Using In-Situ Soft X-Ray Fluorescence Methods

March 1, 2004
Author(s)
D J. Burnett, A M. Gabelnick, A L. Marsh, Daniel A. Fischer, J L. Gland
… Propyne and propylene oxidation have been studied on a 1 0 nm Pt/A 1 2 0 3 thin … useto evaluate reaction mechanisms and energetics. Propyne oxidation on the thin film occurs in a simple, one-step … process with a C 3 H 4 (propyne) intermediate. Propylene oxidation on this surface is more complex. Initial propylene …

Glutathione Depletion by Buthionine Sulfoximine Induces Oxidative Damage to DNA in Organs of Rabbits in vivo

June 9, 2009
Author(s)
Goksel Gokce, Gonen Ozsarlak, Gulgun Oktay, Guldal Kirkali, Pawel Jaruga, Miral M. Dizdar, Zeliha Kerry
… understanding of pathologies associated with DNA damage, oxidative stress and/or defective antioxidant responses. … depletion, Hydroxyl radical, Mass spectrometry, Oxidative DNA damage … Glutathione Depletion by Buthionine Sulfoximine Induces Oxidative Damage to DNA in Organs of Rabbits in vivo …

In-situ Studies of CO Oxidation on Pt(111): Evidence of a Self-Limiting Reaction at 140 K

April 29, 2004
Author(s)
D J. Burnett, A M. Gabelnick, A T. Capitano, Daniel A. Fischer, J L. Gland
… In-situ oxidation experiments in oxygen pressures up to 1.3 Pa indicate that the 140 K carbon monoxide oxidation process is self-limiting. This experimental data … We find that for oxygen pressures above 0.666 Pa the 140 K oxidation channel can be directly accessed even for this …

Imaging and Analysis of Encapsulated Objects through Self-Assembled Electron and Optically Transparent Graphene Oxide Membrane

January 23, 2017
Author(s)
Alexander Yulaev, Alexey Lipatov, Annie Xi Lu, Alexander Sinitskii, Leite Marina, Andrei Kolmakov
… and micro structured surfaces by ultrathin graphene oxide membranes via a simple drop casting of graphene oxide solution. A stable encapsulating membrane forms during … a water-permeable quasi-2D network of overlapping graphene oxide flakes. Upon drying and interlocking between the …

Morphology, Structure, and Nucleation of Out-of-Phase Boundaries (OPBs) in Epitaxial Films of Layered Complex Oxides

February 19, 2017
Author(s)
M A. Zurbuchen, W Tian, X Q. Pan, D Fong, S K. Streiffer, M E. Hawley, J Lettieri, Y Jia, Shengqian Ma, S J. Fulk, D J. Comstock, S Knapp, A H. Carim, D G. Schlom
… in the bulk, they are common in epitaxial films of layered oxides due to the physical constraint of the underlying … mechanisms of OPBs in epitaxial films of layered complex oxides are presented, including both a review of published … Boundaries (OPBs) in Epitaxial Films of Layered Complex Oxides …
Displaying 126 - 150 of 2289
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