Theory of Spin-Polarized Secondary-Electron Emission from Ferromagnets
- 11 August 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (6) , 759-761
- https://doi.org/10.1103/physrevlett.57.759
Abstract
The spin polarization of true secondary electrons emitted from ferromagnetic transition-metal surface is expressed as a smooth "cascade" polarization plus a "fine-structure" part. Calculation of the latter for several Ni and Fe surfaces reveals pronounced structures, which agree well with hitherto unexplained experimental data and reflect the spin-dependent bulk band structure above the vacuum threshold.Keywords
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