Adsorption of ammonia and its influence on coadsorbed carbon monoxide on monlayer and multilayer Palladium epitaxially grown on Mo(110)

Article Abstract:

Low-energy electron diffraction, high-resolution electron energy loss spectroscopy and temperature-programmed desorption were used to examine the adsorption of ammonia on a monolayer Pd on Mo(100), Pd(sub 1ML)/Mo(100) and multilayer Pd(100)/Mo(110) surfaces and its influence on coadsorbed CO. The desorption peak maximum of ammonia was found to shift to a lower temperature for monolayer palladium. The adsorbed ammonia was found to strongly interact with the adsorbed CO.

Research, Ammonia, Palladium, Monomolecular films, Carbon monoxide, Thin films, Multilayered, Multilayered thin films, Molybdenum

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First-principles characterization of NOx adsorption of MgO

Article Abstract:

Mg(001) terrace cluster models and density functional theory (DFT) are used to characterize the adsorption properties of neutral and charged NO, NO2, and NO3. Results provide a new framework for understanding the formation of chemisorbed surface NOx on all oxide surfaces in terms of adsorbate oxidizing strength, acid-base pair formation, and redox processes.

Analysis

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Growth and chemical properties of layered, binary mixed oxides: NO on MgO-NiO and CaO-NiO

Article Abstract:

The growth mode of layered, binary mixed oxides consisting of NiO, MgO, and CaO with the use of low-energy electron diffraction (LEED), ion scattering spectroscopy (ISS), and NO temperature-programmed desorption (NO-TPD) is studied. A greater long-range order relative to NiO/CaO is seen in the NiO/MgO layered system.

Nickel Compounds

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