Distinct magnetic contributions for magnetoelectric coupling at room temperature in perovskite PZT-PFN solid solutions

Distinct magnetic contributions for magnetoelectric coupling at room temperature in perovskite PZT-PFN solid solutions

Although a high technological interest, there are only a few single-phase solid solutions that exhibit multiferroic and magnetoelectric coupling at room temperature. In this work, such characteristics are reported for PZT-xPFN solid solutions. It is noticed that magnetoelectric coupling and its natu...

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Veröffentlicht in:Journal of alloys and compounds 2022-12, Vol.929 (C), p.167271, Article 167271
Hauptverfasser: Zabotto, Fabio L., Barbosa, Vitor F., Pereira, Carolyne C.S., Estrada, Flávia R., Lente, Manuel H., Chen, Xiang Ming, Eiras, José A.
Format: Artikel
Sprache:eng
Schlagworte:
Coupling
Defects
Ferroelectricity
Iron
Lead zirconate titanates
Magnetism
Multiferroicity
Niobium
Perovskites
Room temperature
Single-phase magnetoelectric
Solid solutions
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Zusammenfassung:Although a high technological interest, there are only a few single-phase solid solutions that exhibit multiferroic and magnetoelectric coupling at room temperature. In this work, such characteristics are reported for PZT-xPFN solid solutions. It is noticed that magnetoelectric coupling and its nature are anomalously dependent on the PFN concentration, resulting from linear magnetoelectric and paramagnetoelectric contributions. The origin of the multiferroicity and the magnetoelectric coupling is explained by considering the presence and evolution of complex defects and magnetic nanoregions caused by PFN addition. For the lower PFN (x = 0.10), the magnetic order is related to Fe-Vo complex defects. For intermediary Fe-Nb concentration (0.15 
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2022.167271