Abstract
Optical second-harmonic (SH) generation in planar Au/Co/Si(111) nanostructures under application of static magnetic and electric fields is studied experimentally. The crystallographic, magneto- and electroinduced contributions to the SH intensity reveal strong azimuthal anisotropy peculiar to the Si(111) surface. The transient times characterizing the electroinduced quadratic response are found to exceed 1 s. Relative amplitudes and phases of the magneto- and electroinduced constituents of the SH signal are estimated from the measurements data.
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