Spin Polarization due to Low-Energy Electron Diffraction at the W(001) Surface
- 1 August 1983
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 22 (8R)
- https://doi.org/10.1143/jjap.22.1332
Abstract
The spin polarization in low-energy electron diffraction (LEED) from a clean W(001) surface, as well as from a surface exposed to residual gas, has been measured with a newly-constructed compact Mott detector. At a particular electron energy and incident angle, exposure of a clean surface to 0.5 Langmuir of residual gas causes a significant polarization change, from -45% to +31%. This characteristic is not inconsistent with results reported by other workers under different diffraction conditions.Keywords
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