Thermoelectric properties of Sr0.61Ba0.39Nb2O6− δ ceramics in different oxygen-reduction conditions |
Plots of S versus T (a) and ρ versus T (b) for samples SBN61Ar, SBN61H1100, and SBN61H1250. The inset in Fig. 3(b) shows the plots of ρ versus T in a temperature range from 500 K to 1100 K. |