Bilayer systems of ultra-thin anti-ferromagnetically coupled Co and CoFeB layers have been systematically investigated. The intention was to find systems in which the mag- netization of one of the layers (or both) would be in a canted state, meaning that the magnetization is neither in-plane nor out-of-plane at remanence. We have indeed been successful in obtaining such systems, observing configurations where one layer is out-of- plane and one is canted, and others where one layer is in-plane and one is canted. In this work we will discuss other phenomena that have been observed, such as the presence of an in-plane bias field or the competition between the switching fields of both layers as a function of the sweeping field rate.
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External traineeship report