Synthesis and thermoelectric properties of Nd-single filled p-type skutterudites

Wu Hong^{1, 2}, Shaheen Nusrat¹, Yang Heng-Quan¹, Peng Kun-Ling^{1, 2}, Shen Xing-Chen^{1, 2}, Wang Guo-Yu², Lu Xu¹, Zhou Xiao-Yuan^{1, †}

(color online) Temperature-dependent electrical properties for Nd_xFe_3.2Co_0.8Sb₁₂ (x = 0.5, 0.6, 0.7, 0.8, and 0.9) samples, showing (a) electrical conductivities; (b) Seebeck coefficients, and (c) power factors.