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Abstract
Multiferroic compounds, where magnetic and ferroelectric orders coexist, are potentially of great use. In this study, (1-x) BiFeO 3 -xKNbO 3 ceramics were prepared through the solid state reaction. The crystallographic phase of synthesized BiFeO 3 -KNbO 3 ceramics depended on KNbO 3 content. Also, perovskite BiFeO 3 phase was stabilized by the formation of solid solution with KNbO 3 . Among (1-x)BiFeO 3 -xKNbO 3 ceramics, 0.9BiFeO 3 -0.1KNbO 3 was found to have the rhombohedral perovskite structure and weak ferromagnetism. Furthermore, 0.9BiFeO 3 -0.1KNbO 3 ceramics showed the dielectric constant of 280 with dielectric loss less than 5% at 1 kHz.