Magnetic probing depth in spin-polarized secondary electron spectroscopy

D. L. Abraham, H. Hopster

Physical Review Letters · 1987 · 122 citations · 15 references

Concepts

Abstract

We have studied the temperature dependence and the sensitivity to oxygen adsorption of the spin polarization of low-energy secondary electrons from Ni(110). Both types of measurements show a strong surface sensitivity, suggesting a mean magnetic probing depth of only three to four atomic layers, contrary to estimates based on the universal escape-depth curve.

References

15