Abstract
The magnetization processes can be e ectively studied using magnetization-induced second-harmonic generation e ect (MSHG). The aim of the current work is the investigation of inhomogeneous magnetization distributions induced in the surface area of the garnet lm by ion implantation. The studies were performed on magnetic garnet lm of (111) symmetry, implanted with H+2 ions of 1.5 × 10 cm−2 dose and 60 keV energy. The measurements of MSHG e ect were performed as a function of the sample rotation angle and the amplitude of external magnetic eld. The observed MSHG intensity hystereses were subjected to a decomposition procedure into contributions having di erent magnetic eld dependences. The contributions originating from the implanted and unimplanted parts of the lm volume of di erent magnetic ordering were analyzed and discussed.
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