Abstract
We have investigated thermoelectric and transport properties of V, Sr and Mn substituted Sr2FeMoO6 systems. In the Sr2FeMo1-xVxO6, the bulk density increased with increasing V ion. For Sr2-yBayFeMo0.8V0.2O6, bulk density increased with the amount of Ba ions from the high density due to V substitution. The conductivity σ increased up to y=0.6 rapidly. In Sr1.4Ba0.6Fe1-zMnzMo0.8V0.2O6 samples, the Seebeck coefficient increased with increasing Mn substitution. As a result, the power factor, S2σ, of the Sr1.4Ba0.6Fe0.8Mn0.2Mo0.8V0.2O6 gave the largest value of PF=83.2 μW/K2m at 700ºC.
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