Possibility of revealing the spin-dependent surface potential of ferromagnets by detecting the spin-plitting of surface states or resonances by tunneling microscopy

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    Abstract

    Theoretical studies suggest that the spin-dependent part of the potential of electrons inside a ferromagnet does not vanish abruptly at the surface but has a long tail outside the surface.
    This leads to Zeeman-like splitting of surface image states or resonance spectra. We suggest that this effect can be used for investigation of the spin-dependent surface potential by detecting the splitting with scanning tunneling spectroscopy.
    Possibilities of such experiments on low-index Fe and Ni surfaces are discussed.
    Original languageEnglish
    Pages (from-to)57-60
    JournalJournal of Electron Spectroscopy and Related Phenomena
    Volume95
    Issue number1
    DOIs
    Publication statusPublished - 1998
    MoE publication typeA1 Journal article-refereed

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