Lead-free BFN ceramics doped by chromium, lithium or manganese

Dariusz Bochenek (), Przemysław Niemiec and Małgorzata Adamczyk

The European Physical Journal B: Condensed Matter and Complex Systems, 2015, vol. 88, issue 10, 1-6

Abstract: The material of the study was lead-free BaFe 0.5 Nb 0.5 O 3 ceramics subject to modification. The base composition BaFe 0.5 Nb 0.5 O 3 as well as the chromium, lithium and manganese modified ones were obtained using conventional mixed oxides and carbonates method. Synthesis was performed by the powder calcination method at high temperature 1250 °C for 4 h, while the densification was carried out by free sintering method under conditions 1350 °C/4 h. The paper presents a complex study of admixtures influence on the crystal structure, microstructure and dielectric properties of the BFN type samples. The mentioned dopants chromium, lithium or manganese in the BFN-type ceramics among other caused the reduction of the electric permittivity maximum as well as significant decrease in value of dielectric loss. Copyright The Author(s) 2015

Date: 2015
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DOI: 10.1140/epjb/e2015-60461-2

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