John Fullerton is a postdoctoral appointee in the Functional Nanoscale Heterostructures group in Argonne’s Material Science Division. He completed his PhD in Three-dimensional Nanomagnetism in 2023 at the University of Glasgow.

He is studying the formation and behavior of magnetic domains and topological spin textures in a range of magnetic nanostructures, including: 2D ferromagnets, synthetic antiferromagnets and 3D nanostructures.