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Table 1 Crystallite size and magnetic properties of the nanocomposite samples calcined at different temperatures varying from 400 to 1000°C.

From: Influence of calcination temperature on structural and magnetic properties of nanocomposites formed by Co-ferrite dispersed in sol-gel silica matrix using tetrakis(2-hydroxyethyl) orthosilicate as precursor

Temperature (°C)

Crystallite size (nm)

Ms (emu/g)

Mr (emu/g)

Coercivity Hc (Oe)

400

5.9

0.21

0.004

27

500

8.6

0.77

0.006

43

600

9.3

1.67

0.009

19

900

29.6

9.56

0.804

82

1000

34.3

12.01

2.130

220