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[en] The Brenig and Schonhammer solution for chemisorption has been improved due to ionic shift (Δ). The spectral density (SD) of an adatom is found in the weak and intermediate coupling case (V ≤ W). The significant role of ionic shift is discussed for an explanation of observable asymmetrical peaks. (author). 5 refs, 2 figs
[en] Present article is devoted to destructive-epitaxial transformation of inorganic sorbents with consistent participation of cations and anions in reaction. It is defined that mechanism of transformation of hydrated oxides can be various. Besides of molecular sorption it is necessary to take into account the possibility of consistent sorption of cations and anions from electrolyte solution.
[en] A theoretical investigation of an ordered p(1 x 1) H overlayer on Ni(001) shows a marked reduction of the surface Ni moment to approx.0.2μ/sub B/ (which at room temperature gives the impression of a ''dead'' layer) and the formation of a covalent-metallic bond between H and Ni. These results, along with the calculated equilibrium properties and single-particle spectrum, are discussed and compared to experiment