Dielectric, magnetic, and magnetoelectric properties of la and Ti codoped BiFeO3

Y. F. Cui; Y. G. Zhao; L. B. Luo; J. J. Yang; H. Chang; M. H. Zhu; D. Xie; T. L. Ren

doi:10.1063/1.3524225

Dielectric, magnetic, and magnetoelectric properties of la and Ti codoped BiFeO₃

Y. F. Cui, Y. G. Zhao, L. B. Luo, J. J. Yang, H. Chang, M. H. Zhu, D. Xie, T. L. Ren

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Abstract

The authors report on the dielectric, magnetic, and magnetoelectric (ME) properties of La and Ti codoped BiFeO₃ (LBFTO). Codoping changes the structure of BiFeO₃ from rhombohedral to tetragonal and the ferromagnetic properties of LBFTO are remarkably improved. More interestingly, the dielectric constant of LBFTO shows a linear increase with magnetic field and the slope decreases linearly with increasing temperature. The electric polarization of LBFTO also increases upon applying a magnetic field. The ME coupling coefficients of different orders were obtained by analyzing these data. The results were discussed by considering the doping induced destruction of the cycloidal structure in LBFTO.

Original language	English (US)
Article number	222904
Journal	Applied Physics Letters
Volume	97
Issue number	22
DOIs	https://doi.org/10.1063/1.3524225
State	Published - Nov 29 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3524225

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title = "Dielectric, magnetic, and magnetoelectric properties of la and Ti codoped BiFeO3",

abstract = "The authors report on the dielectric, magnetic, and magnetoelectric (ME) properties of La and Ti codoped BiFeO3 (LBFTO). Codoping changes the structure of BiFeO3 from rhombohedral to tetragonal and the ferromagnetic properties of LBFTO are remarkably improved. More interestingly, the dielectric constant of LBFTO shows a linear increase with magnetic field and the slope decreases linearly with increasing temperature. The electric polarization of LBFTO also increases upon applying a magnetic field. The ME coupling coefficients of different orders were obtained by analyzing these data. The results were discussed by considering the doping induced destruction of the cycloidal structure in LBFTO.",

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TY - JOUR

T1 - Dielectric, magnetic, and magnetoelectric properties of la and Ti codoped BiFeO3

AU - Cui, Y. F.

AU - Zhao, Y. G.

AU - Luo, L. B.

AU - Yang, J. J.

AU - Chang, H.

AU - Zhu, M. H.

AU - Xie, D.

AU - Ren, T. L.

PY - 2010/11/29

Y1 - 2010/11/29

N2 - The authors report on the dielectric, magnetic, and magnetoelectric (ME) properties of La and Ti codoped BiFeO3 (LBFTO). Codoping changes the structure of BiFeO3 from rhombohedral to tetragonal and the ferromagnetic properties of LBFTO are remarkably improved. More interestingly, the dielectric constant of LBFTO shows a linear increase with magnetic field and the slope decreases linearly with increasing temperature. The electric polarization of LBFTO also increases upon applying a magnetic field. The ME coupling coefficients of different orders were obtained by analyzing these data. The results were discussed by considering the doping induced destruction of the cycloidal structure in LBFTO.

AB - The authors report on the dielectric, magnetic, and magnetoelectric (ME) properties of La and Ti codoped BiFeO3 (LBFTO). Codoping changes the structure of BiFeO3 from rhombohedral to tetragonal and the ferromagnetic properties of LBFTO are remarkably improved. More interestingly, the dielectric constant of LBFTO shows a linear increase with magnetic field and the slope decreases linearly with increasing temperature. The electric polarization of LBFTO also increases upon applying a magnetic field. The ME coupling coefficients of different orders were obtained by analyzing these data. The results were discussed by considering the doping induced destruction of the cycloidal structure in LBFTO.

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Dielectric, magnetic, and magnetoelectric properties of la and Ti codoped BiFeO₃

Abstract

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