Abstract
The impedance spectroscopy analysis for M-type BaFe12O19 (BaM) ceramics
prepared by ceramic route is reported. The main aim is to investigate
the electric properties in function of the synthesis parameters (milling
time and milling power). It was shown that milling parameters strongly
influence the electrical properties such as dielectric constant, whose
magnitude increases with the milling power. Moreover the relaxation
frequency is fully dependent on the milling parameters and it shifts to
high frequencies when milling power decreases. Finally, impedance and
dielectric loss tangent also change with milling parameters. (C) 2009
Elsevi.er Ltd and Techna Group Sx.l. All fights reserved.
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