posted on 2025-01-13, 05:04authored byJiaqi Zhu, Dongyang Wang, Tao Hong, Ke Zhao, Bingchao Qin, Yongxin Qin, Siqi Wang, Xiang Gao, Shaobo Cheng, Chongxin Shan, Li-Dong Zhao
supplementary material for experimental details, electrical and thermal properties measurement, phase analysis and microstructure characterization, XPS for Nb element, the Lorenz number calculation, and related thermoelectric properties.