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Probing depth of the low energy cascade electrons from a transition metal (1991)

Donath, M. ; Scholl, D. ; Siegmann, H. C. ; [et al.]

Springer

Applied physics 52 (1991), S. 206-209

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ISSN: 1432-0630

Keywords: 75.30.Pd ; 79.20.Hx ; 75.70.Ak

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Abstract A surface probing depth of only ∼ 2 layers for low energy cascade electrons excited with a 3.2 keV primary electron beam is clearly demonstrated by model experiments with non-magnetic overlayers of Ta on magnetic substrates of Fe/Ni80Fe20. This result establishes a short probing depth of low energy electrons in transition metals generalizing the previously observed short magnetic probing depth for spin-polarized electrons in ferromagnets. The short probing depth sheds new light on a number of spectroscopic observations on ferromagnetic transition metals, and has important implications concerning surface magnetic properties and scattering processes of hot electrons in transition metals.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00324420

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