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Supported Bimetallic AuPd Clusters Using Activated Au25 Clusters
(Elsevier, 2017)Bimetallic AuPd nanoparticles on alumina supports were prepared using Au25(SR)18 precursors activated by mild calcination or LiBH4 treatment, followed by selective deposition of Pd via ascorbic acid reduction. Comparison ... -
Platinum Inhibits Low‐Temperature Dry Lean Methane Combustion through Palladium Reduction in Pd−Pt/Al2O3: An In Situ X‐ray Absorption Study
(Wiley, 2017)Palladium–platinum bimetallic catalysts supported on alumina with palladium/platinum molar ratios ranging from 0.25 to 4 are studied in dry lean methane combustion in the temperature range of 200 to 500 °C. Platinum addition ... -
Synthesis of Sinter-Resistant Au@Silica Catalysts Derived from Au25 Clusters
(2017)Gold clusters exhibit remarkable catalytic activity for many reactions such as carbon monoxide oxidation, alcohol, alkene, and hydrocarbon oxidations, and reduction reactions at low temperatures. However, several previous ... -
In situ X-ray absorption spectroscopic studies of magnetic Fe@FexOy/Pd nanoparticle catalysts for hydrogenation reactions
(Elsevier, 2017)Core@shell Fe@FexOy nanoparticles (NPs) have attracted a great deal of interest as potential magnetic supports for catalytic metals via galvanic exchange reactions. In this study Fe@FexOy/Pd bimetallic NPs were synthesized ... -
Water shifts PdO-catalyzed lean methane combustion to Pt-catalyzed rich combustion in Pd-Pt catalysts: In situ X-ray absorption spectroscopy
(Elsevier, 2017)The addition of platinum to palladium is known to provide bimetallic catalysts that are relatively active in lean methane combustion in the presence of water at temperatures below 773 K, which is of practical interest for ... -
X-ray Absorption Spectroscopic Studies of the Penetrability of Hollow Iron Oxide Nanoparticles by Galvanic Exchange Reactions
(American Chemical Society, 2017)Hollow Fe oxide nanoparticles have many applications in catalysis, drug delivery, and energy storage. Hollow Fe oxide shells can also be used for preventing the sintering of catalytically active cores and for magnetic ... -
Improving the Rates of Pd-Catalyzed Reactions by Exciting the Surface Plasmons of AuPd Bimetallic Nanotriangles
(Royal Society of Chemistry, 2017)Gold nanoparticles exhibit unique optical properties due to surface plasmon oscillations when they interact with light. By utilizing their optical properties, the rates of many chemical reactions have been improved in the ... -
Investigating the local structure of B-site cations in (1-x) BaTiO3exBiScO3 and (1-x)PbTiO3exBiScO3 using X-ray absorption spectroscopy
(Elsevier, 2018)The structural properties of (1-x)BaTiO3exBiScO3 and (1-x)PbTiO3exBiScO3 were investigated using powder X-ray diffraction and X-ray absorption spectroscopy. Diffraction measurements confirmed that substituting small amounts ... -
Investigation of the stability of glass-ceramic composites containing CeTi2O6 and CaZrTi2O7 after ion implantation
(Elsevier, 2017)Glass-ceramic composite materials have been investigated for nuclear waste sequestration applications due to their ability to incorporate large amounts of radioactive waste elements. A key property that needs to be understood ... -
Assessing the oxidation states and structural stability of the Ce analogue of brannerite
(Wiley, 2017)The Ce‐containing analogue of brannerite (ie, UTi2O6) was previously considered to be stoichio- metric (ie, CeTi2O6); however, it has recently been determined that the material is O deficient. This oxygen‐deficient material ... -
Investigation of CeTi2O6- and CaZrTi2O7-containing glass–ceramic composite materials
(NRC Research Press, 2017)Glass–ceramic composite materials are being investigated for numerous applications (i.e., textile, energy storage, nuclear waste immobilization applications, etc.) due to the chemical durability and flexibility of these ... -
A Structural Investigation of Hydrous and Anhydrous Rare-Earth Phosphates
(American Chemical Society, 2016)Rhabdophane- (REPO4·nH2O; RE = La to Dy), monazite- (REPO4; RE = La to Gd), and xenotime-type (REPO4 and RE′PO4·nH2O; RE = Tb to Lu and Y; RE′ = Ho to Lu and Y) rare-earth phosphate materials are being considered for a ... -
Identifying calcium-containing mineral species in the JEB Tailings Management Facility at McClean Lake, Saskatchewan
(Elsevier, 2016)The JEB Tailings Management Facility (TMF) is central to reducing the environmental impact of the McClean Lake uranium mill facility that is operated by AREVA Resources Canada. This facility has been designed around the ... -
XPS and EELS characterization of Mn2SiO4, MnSiO3 and MnAl2O4
(Elsevier, 2016)X-ray Photoelectron Spectroscopy (XPS) and Electron Energy Loss Spectroscopy (EELS) are strong candi- date techniques for characterizing steel surfaces and substrate-coating interfaces when investigating the selective ... -
Investigation of NdxY0.25–xZr0.75O1.88 inert matrix fuel materials made by a co-precipitation synthetic route
(NRC Research Press, 2016)Yttria-stabilized zirconia (YSZ) is a material that is being considered for use as an inert matrix fuel in nuclear reactors, but a complete characterization of these materials is required for them to be licensed for use. ... -
Investigation of the Thermal Stability of NdxScyZr1−x−yO2−δ Materials Proposed for Inert Matrix Fuel Applications
(American Chemical Society, 2016)Inert matrix fuels (IMF) consist of transuranic elements (i.e., Pu, Am, Np, Cm) embedded in a neutron transparent (inert) matrix and can be used to “burn up” (transmute) these elements in current or Generation IV nuclear ... -
A study of the electronic structure and structural stability of Gd2Ti2O7 based glass-ceramic composites
(the Royal Society of Chemistry, 2015)Glass-ceramic composite materials have been investigated for nuclear waste sequestration applications due to their ability to incorporate large amounts of radioactive waste elements. Borosilicate- and Fe–Al–borosilicate ... -
Probing the effect of radiation damage on the structure of rare-earth phosphates
(Elsevier, 2015)Synthetic analogues of naturally occurring monazite (REPO4; RE = La to Gd) and xenotime (RE0PO4; RE0 = Tb to Lu and Y) minerals have been identified as potential wasteforms for nuclear waste. High energy ion-implantation ... -
Investigating the Geochemical Model for Molybdenum Mineralization in the JEB Tailings Management Facility at McClean Lake, Saskatchewan: An X‐ray Absorption Spectroscopy Study
(American Chemical Society, 2015)The geochemical model for Mo mineralization in the JEB Tailings Management Facility (JEB TMF), operated by AREVA Resources Canada at McClean Lake, Saskatchewan, was investigated using X-ray Absorption Near-Edge Spectroscopy ...
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