Effect of Nb doping on microstructures and thermoelectric properties of SrTiO<sub>3</sub> ceramics

Effect of Nb doping on microstructures and thermoelectric properties of SrTiO₃ ceramics

Liu Da-Quan, Zhang Yu-Wei, Kang Hui-Jun^†, Li Jin-Ling, Yang Xiong, Wang Tong-Min

(color online) SEM images of freshly broken surface of (a) SrTi_0.95Nb_0.05O₃ sintered at 1673 K (Nb05-1673), (b) SrTi_0.95Nb_0.05O₃ sintered at 1773 K (Nb05-1773), (c) Sr_0.95Ti_0.95Nb_0.05O₃ sintered at 1773 K (VNb05-1773), and (d) SrTi_0.9Nb_0.1O₃ sintered at 1773 K (Nb10-1773).