Adsorbed Layers on surfaces by H. P. Bonzel, R. Denecke, W. Eck, A. Föhlisch, G. Held, W.

By H. P. Bonzel, R. Denecke, W. Eck, A. Föhlisch, G. Held, W. Jaegermann, N. Martensson, T. Mayer, H. Over, H. P. Steinrück

Surface technological know-how is known as a comparatively younger medical self-discipline, excited about the actual and chemical homes of phenomena on fresh and coated sturdy surfaces, studied less than numerous stipulations. The adsorption of atoms and molecules on sturdy surfaces is, for instance, this type of situation, attached with roughly drastic adjustments of all floor homes. An adsorption occasion is usually saw in nature and located to be of technical significance in lots of business techniques. therefore, floor technological know-how is interdisciplinary by means of its very nature, and as such an enormous middleman among basic and utilized research.

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2 Adsorption of C, N, and O on metal surfaces Coverage Ref. p. 95 a), b), c), f) Rh(111) Rh(100) Method Ref. 05 350 K e); direct molecular chemisorption Mol. beam, precursor mediated Mol. beam, precursor mediated TDS, XPS TDS, XPS Mol. beam Mol. beam Mol. beam, precursor mediated 300 K mechanism ambiguous stick. coeff. constant and decreases then rapidly (T = 353 K) 125 K sample temperature 258 K, 573 K sample temp. 5 ML 110 K - 150 K 300 K 100 K; stick. coeff. 2 77 - 500 K d); direct dissociation 91R1 78N1 73B2, 77H2, 81C1 84N1, 94G2 97D2 84N1, 96B2 79P1 AES, LEED TDS, LEED TPD, AES Mol.

P. 55] Landolt-Börnstein New Series III/42A4 Substrate Al(111) cont. 3 eV disperse by more than 1 eV XPS ARUPS Ref. 95G1 88K3 85F1 78G1 82G1 theory XAS STM-LES XPS UPS XPS 85F1 84D2, 87C2, 96O1, 97C1 92W1 89P3 01U1 90R2 82S4, 90R2 95D3 PES 77T1, 80L1 UPS ARUPS SXES SXES, XAS XPS XPS ARUPS 92W2 77L2, 77T1 80L1 93T1 98W3 80P1 93S6, 79B3 85S3 ARUPS 85S3 minority spin polarized PES IPE ARPES 90C1 92H2, 95D2 85P1 vertical and horizontal bonding theory 85H1 strong dispersion(2eV) along the Cu-O chains.

55] Landolt-Börnstein New Series III/42A4 Substrate Fe(100) cont. 5 Pd(100) c(2×2) O(2pz) O(2s) O(2s) Pd(3d5/2) O(1s) Pd(3d5/2) O(1s) Pd(3d5/2) Pt(110) (1×2)MR+O2 (1×2)MS+O2 (2×2)O O(1s) O(1s) O(2p) Pd(111) >3 ML Landolt-Börnstein New Series III/42A4 Pt(111) more pronounced at grazing incidence O2− O1− Method XPS Ref. 76K1 XPS 95R2 PES 79R1, 79C2 XPS 01D1 O(2p) hybridized with Ni(s,p), strong dispersion IPE, KRIPES of up to 3 eV O(2p) derived state (hybrid of O(2p) and Nitheory 4s4p) UPS SCLS O-K emission SXES SCLS UPS O2− O1− Oxygen K-emission spectra: 2p-3d antibonding state partly occupied.

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