Magnetic and magnetoelectric properties of Bi0.5Nd0.5FeO3 ceramics

Ceramic solid solution described by formula Bi0.5Nd0.5FeO3 was prepared by standard solid-state sintering method. X-ray diffraction proved the formation of a single-phase sample with orthorhombic structure typical of NdFeO3. Vibrating sample magnetometry revealed weak ferromagnetic behavior of the c...

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Bibliographic Details
Published in:Ceramics international 2020-02, Vol.46 (2), p.1804-1809
Main Authors: Pikula, T., Dzik, J., Guzdek, P., Kowalczyk, M., Siedliska, K., Jartych, E.
Format: Article
Language:English
Subjects:
Magnetic properties
Magnetoelectric effect
Mössbauer spectroscopy
Perovskites
Sintering
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Summary:Ceramic solid solution described by formula Bi0.5Nd0.5FeO3 was prepared by standard solid-state sintering method. X-ray diffraction proved the formation of a single-phase sample with orthorhombic structure typical of NdFeO3. Vibrating sample magnetometry revealed weak ferromagnetic behavior of the ceramics up to the Curie temperature Tc = 642 K. Local atomic configurations and local magnetic fields were investigated by 57Fe Mössbauer spectroscopy. It was shown that substitution of a single Nd3+ ion by Bi3+ ion in the orthorhombic NdFeO3 lattice causes a decrease of hyperfine magnetic field experienced by 57Fe ion by the value of 0.186 T. Measurements of the magnetoelectric effect showed that the maximal registered value of the magnetoelectric voltage coefficient was equal to 0.46 mV/(cm·Oe).
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2019.09.155