Mean particle size determined by XRD did not show a clear trend with increasing x.
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Optimization of Magnetic Cobalt Ferrite Nanoparticles for Magnetic Heating Applications in Biomedical Technology.
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The crystallinity varies from 40.4% up to 50.6%, with a decreasing trend for increasing x (see Figure 9 , inset), indicating higher amounts of amorphous components for higher cobalt doping.
A slightly increasing trend for particle size with increasing cobalt content can also be assumed for our particles (see Figure 9 ). 3.2.4.
Concerning the used atmosphere, oxygen or nitrogen, an overall trend can be seen ( Figure 3 a): with values ranging from 12 to 108 kA/m and an average of 40.7 kA/m, the particles synthesized with O 2 show significantly higher H C , compared with the reaction under N 2 , where H C ranges from 1 to 32 kA/m with an average of 19.8 kA/m.