Abstract
In this paper we introduce an alternative method to determine the scale factor necessary to quantitatively compare the two coplanar components of the magnetization (components in the plane of the surface of the sample) of a film using the v-MOKE technique (vectorial-MOKE). The proposed method has the advantage of not needing the reorientation ofthe electromagnet generating the magnetic field, since, depending on the dimensions and weight there of, this action can be difficult or directly impracticable. In this way, the experiment that allows for the acquisition of the two components in the plane of magnetization simultaneously, is executed without the need to modify the initial experimental arrangement (fixed assembly). As test samples, two 9 nm and 100 nm thick FePt films are used, presenting the first uniaxial anisotropy. All experiments were carried out at room temperature and using a MOKE system entirely built in the Surface Physics Group of the Instituto de Física del Litoral, allowing to simultaneously measure the two magnetization components coplanar with the surface sample (v-MOKE).
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