# Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation

Brandt M, Müller H, Zagatta G, Wehmeyer O, Böwering N, Heinzmann U (1995)
SURFACE SCIENCE 331-333(A): 30-34.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Autor
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Abstract / Bemerkung
Using a hexapole technique, a pulsed beam of state-selected NO molecules is focused onto a Pt(100) surface with orientation of the molecular axis so that either preferential N-end or O-end collisions occur with the surface. From the analysis of the partial NO pressure behind the crystal the initial sticking probabilities for oriented as well as for unoriented NO molecules can be determined. The translational energy of the molecules is varied between 100 and 350 meV by seeding in helium at different NO concentrations. The sticking probability is larger for N-end collisions and decreases with increasing translational energy. Likewise, a similar decrease is also observed in the orientation-dependent scattering asymmetry. The results show that both direct chemisorption and trapping into a precursor state occur preferentially for N-end collisions.
Stichworte
Erscheinungsjahr
Zeitschriftentitel
SURFACE SCIENCE
Band
331-333
Zeitschriftennummer
A
Seite
30-34
ISSN
PUB-ID

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Brandt M, Müller H, Zagatta G, Wehmeyer O, Böwering N, Heinzmann U. Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation. SURFACE SCIENCE. 1995;331-333(A):30-34.
Brandt, M., Müller, H., Zagatta, G., Wehmeyer, O., Böwering, N., & Heinzmann, U. (1995). Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation. SURFACE SCIENCE, 331-333(A), 30-34. doi:10.1016/0039-6028(95)00125-5
Brandt, M., Müller, H., Zagatta, G., Wehmeyer, O., Böwering, N., and Heinzmann, U. (1995). Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation. SURFACE SCIENCE 331-333, 30-34.
Brandt, M., et al., 1995. Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation. SURFACE SCIENCE, 331-333(A), p 30-34.
M. Brandt, et al., “Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation”, SURFACE SCIENCE, vol. 331-333, 1995, pp. 30-34.
Brandt, M., Müller, H., Zagatta, G., Wehmeyer, O., Böwering, N., Heinzmann, U.: Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation. SURFACE SCIENCE. 331-333, 30-34 (1995).
Brandt, M, Müller, H, Zagatta, G, Wehmeyer, O, Böwering, N, and Heinzmann, Ulrich. “Sticking and scattering of gas-phase oriented NO at Pt(100) as a function of the translational energy and of molecular orientation”. SURFACE SCIENCE 331-333.A (1995): 30-34.

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