Adsorption and desorption of HCl on Pt(111)

Article Abstract:

The adsorption and desorption of HCl on Pt(111) is investigated by temperature programmed desorption, infrared reflection absorption spectroscopy, and low energy electron diffraction. Kinetic analysis of the desorption spectra reveals a strong repulsive coverage dependence for the desorption energy of the low coverage features ( THETA < 0.25 ML).

Analysis, Hydrogen chloride, Adsorption, Absorption spectra, Chemical properties

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Reactive growth of nanoscale MgO films by Mg atom deposition onto O2 multilayers

Article Abstract:

Nanometer thick layers of Mg metal vapor deposited onto a polycrystalline gold substrate at 22K with and without O2 multilayers are examined. Auger electron spectroscopy and temperature-desorption of N2 are used to estimate the Mg oxidation state and the surface area of the deposits immediately after deposition and following annealing.

Magnesium Compounds, Thermal properties, Thin films, Multilayered, Multilayered thin films

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Physisorption of CO on the MgO(100) surface

Article Abstract:

The ability to grow thin MgO(100) films of quality approaching that of vacuum-cleaved MgO(100) is demonstrated using low-energy electron diffraction (LEED). The results show that the order of the MgO(100) surfaces depends dramatically on the MgO films thickness as illustrated by LEED.

Usage, Chemistry, Physical and theoretical, Physical chemistry, Electrons, Electron diffraction, Atomic properties

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