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  • 1
    Electronic Resource
    Electronic Resource
    Spin-resolved inverse photoemission of ferromagnetic surfaces (1989)
    Springer
    Applied physics 49 (1989), S. 351-364 
    Details
    ISSN: 1432-0630
    Keywords: 75.30.Pd ; 75.50.Cc ; 79.60.−i
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Inverse photoemission (IPE) with spin-polarized electrons provides a way to measure separately the exchange-split majority and minority bands in ferromagnets above the Fermi level. Consequently spin-resolved IPE turns out to be an outstanding technique for obtaining information on surface magnetism: the magnetization of the topmost atomic layer may be investigated by measuring the exchange splitting of electronic states that are localized within the surface layer. Theoretical models of ferromagnetism may be tested by observing the temperature behavior of bands which contribute to the ferromagnetism of the material. The magnetic coupling of an adsorbate to the ferromagnetic substrate may be studied by probing adsorbate-induced bands. Results for the Ni(110) surface serve as an illustration to discuss the status of spin-resolved IPE and its application to the field of surface magnetism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615018
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  • 2
    Electronic Resource
    Electronic Resource
    Probing depth of the low energy cascade electrons from a transition metal (1991)
    Springer
    Applied physics 52 (1991), S. 206-209 
    Details
    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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    Paper (German National Licenses)
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