Spin-polarised Auger-electron spectroscopy of the d atomic shell. Model calculation for noble-gas atoms
- 1 January 1988
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 21 (2) , 267-276
- https://doi.org/10.1088/0953-4075/21/2/011
Abstract
The angular distribution and spin polarisation of Auger electrons of free atoms are discussed. In the (LS) J-coupling approximation the anisotropy coefficient and polarisation are expressed in terms of Auger-decay matrix elements in the particular case of the d3/2 and d5/2 subshell vacancies. For some Auger transitions in Ar, Kr and Xe atoms the anisotropy coefficient and polarisation have been calculated. The Herman-Skillman atomic model was used to calculate the Auger-decay amplitudes. In all cases considered the polarisation is small (less than 20%). However, the anisotropy is large and its measurement may be useful for studying the Auger process.Keywords
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