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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture covers the Giant Magnetoresistance (GMR) effect in magnetic multilayers, explaining the mechanism behind it and its applications in hard disk technology. It discusses the origin of GMR in terms of spin-dependent electron scattering, the Nobel Prize awarded for this discovery, and the structure of sputtered giant magnetoresistive multilayers. The lecture also delves into the magnetic orientation of pinned and sensing layers in GMR sensors, the structure of GMR heads, and the future of hard disk storage. Additionally, it explores the principles and technologies behind displays, such as Digital Micromirror Devices (DMD) and Liquid Crystal on Silicon (LCOS), providing insights into their fabrication, performance, and applications.