Abstract
The electron beam-induced fluorescence technique has been used to measure the angular distribution and internal energy of rotationally cold (~ 19 K) nitrogen scattered from a clean Fe(111) surface. The scattering is found to be direct inelastic. Rotational state distributions are found to be non-Boltzmann with excess energy in higher rotational states. As the surface temperature is increased from 400 to 700K, the measured rotational temperature of the specular beam increases from 148 ± 30 to 172 ± 30 K. Rotational temperatures measured at several exit angles and incident beam energies show increasing temperatures as the exit angle moves toward the surface normal. These results are interpreted as evidence for a surface corrugation in the nitrogen molecule/iron interaction potential.
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© 1984 D. Reidel Publishing Company
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Levkoff, J., Robertson, A., Bernasek, S.L. (1984). Rotationally Inelastic Scattering Of Nitrogen From Fe(111). In: Pullman, B., Jortner, J., Nitzan, A., Gerber, B. (eds) Dynamics on Surfaces. The Jerusalem Symposia on Quantum Chemistry and Biochemistry, vol 17. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5237-9_19
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DOI: https://doi.org/10.1007/978-94-009-5237-9_19
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