XRD patterns for the samples and 0.3 of the series .
TEM image of typical sample .
SEM image of a typical sample .
Variation bulk density “” and porosity “p” with Zn content x.
Variation in ionic radii of A site and B-site with Zn content x.
Variation in theoretical lattice constant “” and oxygen positional parameter “u” with Zn content x.
Variation in magnetization with applied field, (a) , (b) , (c) , (d) , (e) , (f) , (g) , and (h) . Inset shows variation in with Zn content x.
Variation in observed and calculated magnetic moment with Co content x.
Variation in anisotropy constant “K” and coercivity “” with Co content x.
Variation in ac susceptibility ratio with the absolute temperature (t).
Variation in Curie temperature with Zn content x.
Lattice constant (a), X-ray density , particle size (t), hopping lengths ( and ) and Yafet-Kittel angle () of .
Cation distribution and intensity ratios of .
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