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Three perovskites with the general formula La 0.75 Ba x Sr 0.25−x Cr 0.5 Mn 0.5 O 3 (x = 0, 0.10 and 0.25) have been synthesized. For all materials, the symmetry is rhombohedral (space group R-3c). On the electrical point of view, a p-type semiconducting behaviour was evidenced in the series. The addition of barium yields an increase in total conductivity...
The effect of cerium substitution on the electrical and electrochemical characteristics of a new anode material La0.75Sr0.25Cr0.5Mn0.5O3 (LSCM) was examined by synthesizing CexLa0.75–xSr0.25Cr0.5Mn0.5O3 for x = 0–0.375). From x = 0–0.25, the structure is rhombohedral (S.G. R‐3c), and with a higher cerium content (x = 0.375) it becomes cubic (S.G. Pm‐3m). These materials are stable in the operating...
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