Effect of evolution for dispersed phase on thermoelectric performance of Yb0.2(CoSb2.875Te0.125)4Xu-Ye Xin, Lu-Heng Hu, Zi-Han Lv, Hong-Quan Liu, Chun-Zhi Zhang, Qing-Kun He and Tong ZhangEur. Phys. J. Appl. Phys., 97 (2022) 9DOI: https://doi.org/10.1051/epjap/2022210231