Donatella Albano
Controlling magnetic skyrmion Brownian motion through Focused-Ion-Beam patterning.
Rel. Fabrizio Riente. Politecnico di Torino, Corso di laurea magistrale in Nanotechnologies For Icts (Nanotecnologie Per Le Ict), 2025
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Abstract
Complementary metal-oxide-semiconductor (CMOS) technology has dominated the industry thanks to the scaling of device dimensions. Today, miniaturization is approaching its physical limits, encountering high power losses due to quantum effects. In this scenario, the need for new technologies led to the development of new research fields, such as spintronics that exploits the electron spin rather than the electron charge. This thesis focuses on the properties of magnetic textures found in ferromagnetic multilayers, which enable magnetic skyrmions to perform computing. Magnetic skyrmions are topologically protected spin-textures in ultra-thin ferromagnetic layers and can be displaced through currents or magnetic fields and perform as information carriers.
It has been observed that skyrmions are also characterized by diffusion
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