Study of piezoelectric, magnetic and magnetoelectric measurements on SrBi3Nb2FeO12 ceramic

SrBi3Nb2FeO12 (SBNF) is a three-layered perovksite in the system SrBi2Nb2O9 (SBN) + (n). BiFeO3 (BF) system with n = 1. In order to achieve the magnetic and magnetoelectric (ME) nature, the material should consist of ferroelectric and magnetic ordering. In the present system, the addition of BiFeO3 to SBN makes the material both ferroelectric and magnetic, to realise magnetoelectric output. The piezoelectric nature of the material is investigated by using the resonance and anti resonance measurement. The magnetisation measurements carried out at room temperature showed a slim hysteresis loop indicating the material consists of antiferromagnetic ordering. The dynamic magnetoelectric measurements performed at room temperature and at 77 K, showed that magnetoelectric output is high at 77 K. (C) 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.