Atomic-force-microscopy 1 Chemical analysis 1 Cobalt 1 Cobalt ferrites 1 Correlative microscopies 1 Correlative microscopy 1 Crystal atomic structure 1 Defects 1 Dichroism 1 Domain wall pinning 1 Domain walls 1 Domain-wall pinning 1 Electrons 1 Ferrite 1 Films 1 Low energy electron microscopy 1 Magnetic domain walls 1 Magnetic domains 1 Micrometric crystals Nanomagnetics 1 Nonstoichiometric 1 Photoemission microscopy 1 X-ray magnetic circular dichroism 1