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A direct observation of the two-dimensional π-d bands for adsorbed CO (1987)

Kuhlenbeck, H. ; Saalfeld, H. B. ; Neumann, M. ; [weitere]

Springer

Applied physics 44 (1987), S. 83-86

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Details

ISSN: 1432-0630

Schlagwort(e): 68.35 ; 73.20

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract Angle-resolved photoelectron spectroscopy has been utilized to measure the dispersion and symmetry of the spectral features in thed band region of Ni induced by the adsorption of CO. Very strong alteration of thed-band emission characteristics are observed when CO is adsorbed onto Ni(110) in the (2×1) p2mg ordered phase. The high density and unique symmetry of this overlayer allows an unambigeous identification of these spectral features as the two-dimensionalπ-d surface bands induced by the chemical bond of CO to Ni, i.e. the CO 2π-Ni 3d interaction. These results make it possible to reconcile other measurements and to generate a more definitive picture of how the Blyholder model for CO-metal interaction should be applied to surfaces.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00617895

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