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X-Ray Diffraction, Mössbauer Spectroscopy, and Magnetoelectric Effect Studies of Multiferroic Bi₅Ti₃FeO₁₅ Ceramics

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Pikula T., Guzdek P., Dzik J., Lisinska-Czekaj A., Jartych E.

Acta Physica Polonica A

2015

vol. 127

issue 2

296-299

Bi₅Ti₃FeO₁₅ ceramics belongs to multiferroic class of materials. In this work it was prepared by solid-state sintering method and investigated by X-ray diffraction, Mössbauer spectroscopy, and magnetoelectric effect measurements. As it was proved by X-ray diffraction studies the single-phase Bi₅Ti₃FeO₁₅ compound was obtained. The Mössbauer investigations revealed paramagnetic character of the compound at room temperature as well as at 80 K. Magnetoelectric measurements were carried out at room temperature using lock-in dynamic method and they proved presence of magnetoelectric coupling in this material. Additional magnetoelectric studies were carried out after subsequent electric poling of the sample. It was found that the maximum value of the coupling coefficient was almost twice bigger than in the case without the initial poling and reached a value of α_{ME} ≈ 20.7 mV cm⁻¹ Oe⁻¹.

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1 Acta Physica Polonica A

1 2015

1 Dzik J.

1 Guzdek P.

1 Jartych E.

1 Lisinska-Czekaj A.

1 Pikula T.

Search results

X-Ray Diffraction, Mössbauer Spectroscopy, and Magnetoelectric Effect Studies of Multiferroic Bi₅Ti₃FeO₁₅ Ceramics