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Ceramic material of the general formula : [SE1-xMIIx][Cr1-y-zRyLz]O3, wherein SE stands for one or more rare earth metals, MII stands for one or more metals of the oxidation state +II, L stands for Al and/or Ga, R stands for one or more metals selected from Fe, Zn, Ge, Sn, and it holds that : 0
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