Preparation of nanocrystalline baFe12 − 2x Cox Tix O19 by ball milling method and their magnetic properties

Abstract EN

Nanocrystalline BaFe12−2x Cox Tix O19 with 0 ≤ x ≤ 1 were prepared by a simple method of ball milling.

Magnetic and SEM measurements show that the coercive field and average grain size is decreasing with the increase of Co-Ti substitution.

IRM and DCD curves were measured in order to investigate the role of doping with Co-Ti on the interactions between particles in BaFe12−2x Cox Tix O19 samples using the δ m technique.

Interaction investigation shows that δ m for all samples examined is negative, which means interparticle interactions that assists the reversal mechanisms (demagnetizing like effect).