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BiFeO 3 material shows simultaneous ferromagnetic and ferroelectric behavior, therefore their is research interest in such materials for novel bi-functional devices. The partial substitution of Ba and Ti ions at Bi and Fe sites may affect the functional properties of the parent BiFeO 3 material. Substituted BiFeO 3 material with similar type of materials such as BaTiO 3 and Bi 4−x Nd x Ti 3 O 12 were synthesized and characterized by x-ray diffraction and Raman spectroscopy. Single phase thin films is achieved solution route for the composition x < 0.5. The BiFeO3 films showed weak ferroelectric polarization P r = 2.2 μC/cm 2 and BiFeO 3 —Bi 3.44 Nd 0.56 Ti 3 O 12 films also showed improved ferroelectric polarization P r = 10 μm/cm 2 good saturation field.
Acknowledgments
The authors acknowledge the NASA (Grant No. NAG3-2676) for the financial support.
Paper originally presented at AMF-4, Bangalore, India, December 12–15, 2003
