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) [(a) and (b)] SEM images of Nd_0.9Fe_3.2Co_0.8Sb₁₂ and [(c) and (d)] Nd_0.7Fe_3.2Co_0.8Sb₁₂ as-sintered sample with different resolutions.