Probing structure and magnetism of CoNi-Pt interfaces by non-linear magneto-optics

A. Kirilyuk, Th. Rasing, M.A.M. Haast, J.C. Lodder

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    Magnetic CoNi/Pt interfaces are studied as a function of their preparation conditions by magnetization-induced second-harmonic generation (MSHG) measurements. A detailed method has been developed to decompose the total MSHG response into magnetic and crystallographic contributions for each interface. Although the bulk magnetism of the CoNi film (3 nm thick) shows only a subtle dependence on the sputtering Ar pressure, the interfaces appear to be dramatically affected. It can be shown that the crystallographic part probes the increase in the interface roughness while the magnetic one clearly reveals a maximum in the in-plane magnetization of the interface.
    Original languageEnglish
    Pages (from-to)2331-2333
    Number of pages3
    JournalApplied physics letters
    Issue number18
    Publication statusPublished - 1998


    • IR-62982
    • EWI-5493
    • METIS-129633
    • SMI-TST: From 2006 in EWI-TST

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