DigitalCommons@University of Nebraska - Lincoln - A.K. Pradhan, Kai Zhang, D. Hunter, J.B. Dadson, G.B. Loiutts, P. Bhattacharya, R. Katiyar, Jun Zhang, David J. Sellmyer, U.N. Roy, Y. Cui, and A. Burger: Magnetic and electrical properties of single-phase multiferroic BiFeO<sub>3</sub>

Research Papers in Physics and Astronomy

David Sellmyer Publications

Title

Magnetic and electrical properties of single-phase multiferroic BiFeO₃

Authors

A.K. Pradhan, Center for Materials Research, Norfolk State University, Norfolk, Virginia
Kai Zhang, Center for Materials Research, Norfolk State University, Norfolk, Virginia
D. Hunter, Center for Materials Research, Norfolk State University, Norfolk, Virginia
J.B. Dadson, Center for Materials Research, Norfolk State University, Norfolk, Virginia
G.B. Loiutts, Center for Materials Research, Norfolk State University, Norfolk, Virginia
P. Bhattacharya, Department of Physics, University of Puerto Rico, San Juan, Puerto Rico
R. Katiyar, Department of Physics, University of Puerto Rico, San Juan, Puerto Rico
Jun Zhang, University of Nebraska - Lincoln
David J. Sellmyer, University of Nebraska-Lincoln
U.N. Roy, Department of Physics, Fisk University, Nashville, Tennessee
Y. Cui, Department of Physics, Fisk University, Nashville, Tennessee
A. Burger, Department of Physics, Fisk University, Nashville, Tennessee

Document Type

Article

Date of this Version

May 2005

Comments

Abstract

We have reported the structural, thermal, microscopic, magnetization, polarization, and dielectric properties of BiFeO₃ ceramics synthesized by a rapid liquid-phase sintering technique. Optimum conditions for the synthesis of single-phase BiFeO₃ ceramics were obtained. Temperature-dependent magnetization and hysteresis loops indicate antiferromagnetic behavior in BiFeO₃ at room temperature. Although saturated ferroelectric hysteresis loops were observed in single-phase BiFeO₃ ceramic synthesized at 880 °C, the reduced polarization is found to be due to the high loss and low dielectric permittivity of the ceramic, which is caused by higher leakage current.

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