@inproceedings{2d0f9b376b37456eabbe628283142bb9,
title = "Energy and angular distributions of particles desorbed from surfaces using multiphoton resonance ionization detection",
abstract = "Multiphoton resonance excitation has been employed to ionize neutral atoms and molecules desorbed from surfaces bombarded by 5 ke V Ar+ ion beams. By positioning a laser beam above the target it is possible to image the ions onto a microchannelplate detector and to obtain energy and angle-resolved distributions. These distributions may be compared directly to classical dynamics computer simulations of the ion/impact event. Results are presented using the {001}, {111} and {331} crystal faces of Rh to illustrate how the distributions contain specific structural information. Moreover, we compare the distributions from {111} to secondary ion angular distributions. This comparison suggests that there are special impact points which lead to ion formation from clean metal surfaces. Finally, we present preliminary measurements for the MPRI of pyrene molecules desorbed from polycrystalline gold surfaces. The results suggest this technique may be valuable for monitoring reaction intermediates present at very low concentration on catalyst surfaces.",
author = "R. Maboudian and M. El-Maazawi and Z. Postawa and Reimann, {C. T.} and Malafsky, {G. P.} and D. Hrubowchak and M. Ervin and Garrison, {B. J.} and N. Winograd",
year = "1990",
doi = "10.1117/12.17868",
language = "English (US)",
isbn = "0819402494",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "Publ by Int Soc for Optical Engineering",
pages = "41--49",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",
note = "Laser Photoionization and Desorption Surface Analysis Techniques ; Conference date: 18-01-1990 Through 19-01-1990",
}