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Herein, the effect of Fe3+ ions substitution on the phase evolution, microstructure, electrical, and magnetic properties of Bi0.5(Na0.68K0.22Li0.10)0.5Ti1−xFexO3 (BNKLT‐xFe) ceramics with 0 ≤ x ≤ 0.020 is investigated. The BNKLT‐xFe ceramics are synthesized via the solid‐state combustion method. All BNKLT‐xFe compositions use a calcination temperature of 750 °C for 2 h and a sintering temperature...
Ca3Co4O9 is one of the most promising thermoelectric oxide materials at high temperature. Its structure consists of two misfit layers: the CaOCoOCaO rocksalt‐type (RS) layer and the CdI2‐type CoO2 layer. In this paper, we reported the synthesis of single phase Ca3Co4−xMxO9 (where M = Fe, Cr, and Ga). Thermoelectric measurements showed the variation of thermoelectric properties depending on the charge...
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