Physical properties of lead-free BaFe1/2Nb1/2O3 ceramics obtained from mechanochemically synthesized powders
作者： D. Bochenek , P. Niemiec , M. Adamczyk , I. Szafraniak-Wiza
DOI: 10.1007/S10853-018-2254-Z
关键词: Dielectric spectroscopy 、 Pressing 、 Dielectric loss 、 Materials science 、 Sintering 、 Agglomerate 、 Composite material 、 Thermal treatment 、 Multiferroics 、 Ceramic
摘要: Modern electronics expect functional materials that are eco-friendly and obtained with lower energy consumption technological processes. The multiferroic lead-free BaFe1/2Nb1/2O3 (BFN) ceramic powder has been prepared by mechanochemical synthesis from simple oxides at room temperature. development of the monitored XRD SEM investigations, after different milling periods. powders contain large agglomerates built crystals an estimated size about 12–20 nm depending on period milling. From this powder, BFN samples have uniaxial pressing subsequent sintering pressureless method. morphology strongly depends high-energy duration. properties investigated dielectric spectroscopy, in broad temperature frequency ranges. affected permittivity loss samples. usage to obtain reduces required thermal treatment simultaneously improves parameters ceramics.
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