Figure 1

SEM micrographs at different magnification of the FeMo powder ground for 64 hours.
Additional micrographs of the FeMo powder after shorter ball-milling are reported in the Supplementary Information file.

SEM micrographs at different magnification of the FeMo powder ground for 64 hours.
Additional micrographs of the FeMo powder after shorter ball-milling are reported in the Supplementary Information file.