Dunin–Borkowski, R.E.; Kasama, T.; Harrison, R.J.; Duninâ Borkowski R.E.; Department of Materials Science and Metallurgy, University of Cambridge; Center for Electron Nanoscopy, Technical University of Denmark; Kasama T.; Frontier Research System; Department of Materials Science and Metallurgy, University of Cambridge; Harrison R.J.; Department of Earth Sciences, University of Cambridge