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Chapter and Conference Paper
Laser-Assisted Photoelectric Effect on Pt(111)
We observe the laser-assisted photoelectric effect on a surface for the first time. Simultaneously illuminating Pt(111) with the fundamental and 27th harmonic of a Ti:sapphire femtosecond laser results in ener...
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Article
Effect of Coadsorbed Water on Deep Oxidation Mechanisms: Temperature-Programmed Reactions of Benzene and Hydroxyl on the Pt(111) Surface
The deep oxidation of benzene by preadsorbed hydroxyl on the Pt(111) surface has been characterized using temperature-programmed reaction spectroscopy. A mechanism for benzene oxidation in the presence of coad...
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Article
Microstructure and Activity of Thin Films for a Microelectronic Gas Sensor
Scanning force microscopy is used to study the structure of various sensing films after chemical and thermal treatments. An example chemical modification of the sensing film can be achieved by heating a Pt/Ti ...
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Article
Aniline hydrogenolysis on nickel: effects of surface hydrogen and surface structure
Fluorescence yield near-edge spectroscopy (FYNES) above the carbon K edge and temperature programmed reaction spectroscopy (TPRS) have been used as the methods for characterizing the reactivity and structure o...
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Article
Stoichiometric hydrogenation of ethene on Rh(111); mechanism, importance of weakly adsorbed ethene, and relationship to homogeneous catalysis
The hydrogenation of ethene is an important reaction in heterogeneous catalysis and, despite its apparent simplicity, many aspects of the reaction mechanism remain unclear. By contrast, the mechanism using hom...
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Article
Ultra-Soft X-ray Absorption Spectroscopy: A Bulk and Surface Probe of Materials
Direct comparisons between the surface and bulk of diverse materials can be made by simultaneous electron yield (5 nm depth sensitivity) and fluorescence yield (200 nm) ultra soft x-ray absorption spectroscopy...
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Article
Characterization of Polymers and their Surfaces Using Ultra-Soft X-Ray Absorption Spectroscopy
In this paper we illustrate the use of Ultra Soft X-ray Absorption Spectroscopy (USXAS) for the characterization of polymeric materials by highlighting three novel applications of the technique. The surface se...
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Chapter
Surface Kinetics with Near Edge X-Ray Absorption Fine Structure
This review is focused on the use of soft X-ray absorption methods for characterizing the rates of surface reactions. In order to measure rates of surface reactions it is first necessary to characterize the ad...