Yongqi Chen, Meng Li, Xiaodong Wang, Wenyi Chen, Siqi Liu, Min Zhang, Wanyu Lyu, Nanhai Li, Han Gao, Weidi Liu, Xiao-Lei Shi, Zhi-Gang Chen. "Copper ion diffusion by solid solution treatment advancing GeTe-based thermoelectrics." Nature Communications, 2025. doi:10.1038/s41467-025-62078-1