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Effect of the Angular Momentum and Magnetic Quantum Numbers on Auger and Photoelectron Scattering

Published online by Cambridge University Press:  15 February 2011

D. E. Ramaker ,
H. Yang  and
Y. U. Idzerda
D. E. Ramaker
Affiliation:
Dept. of Chemistry, George Washington Univ., Wash., DC 20052 Naval Research Laboratory, Washington, DC 20375
H. Yang
Affiliation:
Dept. of Chemistry, George Washington Univ., Wash., DC 20052
Y. U. Idzerda
Affiliation:
Naval Research Laboratory, Washington, DC 20375
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Abstract

Angle-resolved electron intensity distributions for Auger and photo- electrons are calculated using a curved-wave electron scattering formalism and compared with experiment. The distributions are found to depend significantly on both the ℓ and mℓ quantum numbers of the scattered electron. We consider the simple metals Ir and Al. Although the intensity patterns depend strongly on the ℓ quantum number at relatively low energy, even at high energies (around 1500 eV), a significant ℓ effect remains, which we find arises from nearest neighbor single scattering and from the multiple scattering or defocussing effect. The relative contribution of each ℓ and mℓ partial wave is determined not only by the quantum mechanicaf matrix elements, but also by the energy, polarization, and direction of the excitation beam.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 295: Symposium W – Atomic-Scale Imaging of Surfaces and Interfaces , 1992 , 225
Copyright
Copyright © Materials Research Society 1993

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