Evolution of defect structures leading to high ZT in GeTe-based thermoelectric materials - Yilin Jiang; Jinfeng Dong; Hua-Lu Zhuang; Jincheng Yu; Bin Su; Hezhang Li; Jun Pei; Fu-Hua Sun; Min Zhou; Haihua Hu; Jing-Wei Li; Zhanran Han; et al. (Nature Communications, 2022)