Unguris, J.
, Pierce, D.
, Galejs, A.
and Celotta, R.
(1982),
Spin and Energy Analyzed Secondary Electron Emission from a Ferromagnet, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620222 (Accessed April 30, 2026)
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Spin and Energy Analyzed Secondary Electron Emission from a Ferromagnet
Published
Author(s)
john unguris, , A Galejs,
Abstract
Measurements are presented of the energy dependence of the spin polarization of low-energy (0.5-25 eV) secondary electrons when a 500-eV primary beam is incident on an iron-based ferromagnetic glass. The polarization of the lowest-energy electrons is found to correspond to the net valence-band spin density. Possible causes for the observed decrease in polarization with increasing secondary energy are discussed. The results demostrate a mechanism for measuring surface magnetic structure with very high spatial resolution of scanning electron microscopy.Citation
Physical Review Letters
Volume
49
Pub Type
Journals
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Created July 5, 1982, Updated April 21, 2026