Observation of high magnetic moment in the Ho doped BiFeO < inf > 3 < /inf > ceramics

Abstract

The structural and magnetic studies on the HoxBi 1-xFeO3 (x = 0, 0.1, 0.15 and 0.2) ceramics prepared through solid state reaction are reported. As the Ho doping concentration increases, the Rhombohedral R3c structure gradually changes to the Orthorhombic. Raman data confirms the structural changes observed in XRD. The magnetic moment of BFO measured at 30 kOe increases from 0.20 emu/g to 4.71 emu/g for x = 0.2. The enhancement in the values of Magnetization is observed as the spin cycloid structure of BiFeO3 is destroyed upon Ho doping. © 2013 AIP Publishing LLC.