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Title: Electrophysical properties of the multiferroic BFN-ferrite composites obtained by spark plasma sintering and classical technology
Authors: Bochenek, Dariusz
Niemiec, Przemysław
Brzezińska, Dagmara
Keywords: Multiferroic composites; BFN ceramics
Issue Date: 2020
Citation: "Archives of Metallurgy and Materials" 2020, iss. 2, s. 799-804
Abstract: In the paper the multiferroic (ferroelectric-ferromagnetic) composites based on ferroelectromagnetic/ferroelectric (BaFe1/2Nb1/2O3 (BFN)) powder and ferrite powder (zinc-nickel ferrite) were obtained by two technological methods. In the composite samples the ratio of the ferroelectromagnetic/ferroelectric powder to the magnetic powder was equal to 90:10. The ceramic powders were synthesized by the classical technological method using powder calcination/solid state synthesis, while densification of the composite powders (sintering) was carried by two different methods: (i) Free Sintering method (FS), and (ii) Spark Plasma Sintering (SPS). At the work, a comparison of measurement results for composite samples obtained by two sintering methods was made. The studies included the following analysis: DTA, XRD, SEM, DC electrical conductivity, electric permittivity and magnetic properties. The result of measurements presented in the work revealed that the ceramic composite obtained by two different technological sintering method (classical technology – Free Sintering method and Spark Plasma Sintering technique) can be promising lead-free materials for functional applications, for example in sensors for magnetic and electric field.
DOI: 10.24425/amm.2020.132823
ISSN: 2300-1909
Appears in Collections:Artykuły (WNŚiT)

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