Abstract
We report the first experimental observation of Spin-Polarized Photoelectron Diffraction (SPPD), an effect which shows considerable promise for studying short-range order in magnetic solids and surfaces. The detection of photoelectron spin polarization in this experiment is provided by 3s-level multiplet splittings in 3d metals and their compounds; thus no external spin detector is required. Measurements on antiferromagnetic KMnF 3 show spin asymmetries of as high as 17% due to short-range order.
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