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Interface sensitivity of magneto-optical second harmonic generation from ultrathin cobalt films

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Abstract

The nonlinear Magneto-optical Second Harmonie Generation (MSHG, also called NOMOKE for NOnlinear MOKE) derives its specific interface magnetisation sensitivity from the magnetisation (M) dependent second order ±χ(2)(± M) tensor [1]. Indeed, the comparison of measurements taken on Au/Co/Au and Pt/Co/Pt structures using both MSHG and the bulk magnetisation sensitive Magneto-Optical Kerr Effect (MOKE) in longitudinal configuration exhibit interesting differences, showing the interface sensitivity of MSHG.

© 1998 IEEE

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