XPS and UPS studies of xenon adsorbed on and implanted into Ni (100) and Ni (11 I) surfaces indicate that the sum of the potentil and relaxation shifts (1.1 to 1.3 eV) is similar for both core and valence levels. The binding energies of the core and valence levels are systematicaIiy lower for Xe ads
X-ray and filtered UV photoelectron spectroscopic study of CO absorbed on Ni(100) and (111) surfaces
β Scribed by P.R. Norton; R.L. Tapping; J.W. Goodale
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 515 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The 4a, la and 5~ orbitals, and possibly the 2G orbiti, of CO adsorbed on (100) and (111) nickel surfaces, have been detected using both XF'S and faltered UPS techniques. The 30 level was detected only by XPS at = 29 eV with a fti width half-maximum of = 10 to 12 eV. The Cls and 01s binding energy shifts exhibit systematic differences between the two
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The adsorption of CO on a polycrystaliine MO fdm at =80"K has been studied by X-ray and UV photoelectron spectroscopy (XPS and UPS). Two adsorption states were revealed by XPS. the ratio of the O(ls) intensities from these two states was about 4 : 1 at saturation coverage (PC0 = lad torr). Broad res
The monolayers of 2-mercaptobenzothiazole (MBT) on polycrystalline Au and Ag films have been studied by surface-enhanced Raman (SERS) and X-ray photoelectron (XPS) spectroscopies. Whereas MBT adsorbs with its molecular plane flat on Ag, its plane is perpendicular on Au. This difference in adsorbate