Thermoelectric properties of Sr0.61Ba0.39Nb2O6− δ ceramics in different oxygen-reduction conditions<xref ref-type="fn" rid="cpb141921fn1">*</xref>

Thermoelectric properties of Sr_0.61Ba_0.39Nb₂O_{6− δ} ceramics in different oxygen-reduction conditions*

Li Yi^a), Liu Jian^a),^b)†, Wang Chun-Lei^a),^b), Su Wen-Bin^a),^b), Zhu Yuan-Hu^a), Li Ji-Chao^a),^b), Mei Liang-Mo^a),^b)

XRD patterns for SBN61 ceramics. The samples are annealed at 1250 °C in argon (SBN61Ar), 1100 °C in a gas mixture of H₂/Ar (SBN61H1100), and 1250 °C in a gas mixture of H₂/Ar (SBN61H1250), respectively. The NbO₂ second phase is marked by solid squares in the figure.