Magnetocapacitance of polycrystalline Bi5Ti3FeO15 prepared by sol-gel method

• DOI: 10.1063/1.2908219
• Publication Date: 2008-05-04T08:03:40Z
• Authors: X. W. Dong; K. F. Wang; J. G. Wan; J. S. Zhu; J.-M. Liu
• Keywords: Magnetocapacitance; Superparamagnetism

Bi 5 Ti 3 Fe O 15 bulk ceramic and thin film samples are prepared using the sol-gel method. The dielectric, ferroelectric, magnetic behaviors of these measured in order to investigate possible multiferroic effect. superparamagnetic behavior with dominant antiferromagnetic (AFM) interaction background for as-prepared Bi5Ti3FeO15 is revealed. clearly identified magnetocapacitance effect at low temperature argued originate from suppression AFM by external field.