Affiliation:
1. Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, 40225 Düsseldorf, Germany
Abstract
We studied the influence of photoelectron diffraction on magnetic linear dichroism and spin polarization in Co and Fe 3p photoemission excited by linearly polarized synchrotron radiation. We find a strong variation of the magnetic linear dichroism with emission direction. The spin polarization related to the spin–orbit interaction varies in a similar manner. This angular variation closely tracks that of the magnetic dichroism. In contrast, the exchange-induced spin polarization (-12+2)% does not vary appreciably with emission angle. These findings suggest that the main cause for the observed effects is the angular momentum character of the photoelectron wave.
Publisher
World Scientific Pub Co Pte Lt
Subject
Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics
Cited by
7 articles.
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