Sub‐nanometre quality X‐ray mirrors created using ion beam figuring. - Majhi, Arindam; Shurvinton, Riley; Pradhan, Paresh Chandra; Hand, Matthew; Gu, Weichen; Da Silva, Murilo Bazan; Moriconi, Simone; Nistea, Ioana; Alcock, Simon G.; Wang, Hongchang; Sawhney, Kawal (Journal of Synchrotron Radiation, 2024)