Lorentz microscopy of chiral magnetic spin textures in multilayer thin films

The use of magnetic domains to store information is a well-established technique, however, it is currently hindered by effects such as domain cross talk and packing density which limit data storage capacity. To combat this, multilayer materials allow the formation of tuneable chiral magnetic textures including Néel walls and skyrmions which promise next level computational advancements for racetrack storage devices.

In this work, Lorentz microscopy is utilised to study these spin textures in films containing organic capping layers and varied Pt thickness. The magnetic domain evolution as a function of applied field is also studied and quantified using transport of intensity equation and differential phase contrast microscopy approaches.<br><br><i>Thesis is embargoed until 31 December 2026.</i>