Preparation, and Structural and Magnetic Properties of Ca Substituted Magnesium Ferrite with Composition MgCa_xFe_2−xO₄ (𝑥 = 0.00, 0.01, 0.03, 0.05, 0.07)

Figure 1

Scanning electron microscopic (SEM) photographs showing (a) pure MgFe₂O₄(MgFe), (b) 1% Ca substituted MgFe, (c) 3% Ca substituted MgFe, (d) 5% Ca substituted MgFe, and (e) 7% Ca substituted MgFe. The agglomeration of particles increases with increase in Ca concentration.

(a)

(b)

(c)

(d)

(e)