Julian J. Hsieh
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Paper
Spin polarization of secondary electrons from Gd(0001)
Abstract
Secondary electrons from Gd(0001) films grown on W(100) show spin polarization values of 28-34% in the energy range 1.5-7 eV at 150 K. No indication of a polarization enhancement is found. Below 1.5 eV the polarization drops to 20%, which is attributed to the presence of the 4f8 states just above the vacuum level. © 1993.
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