Structural Heterogeneity in Medium-Entropy AgMnSbPbTe 4 for Glassy Thermal Transport and High Thermoelectric Performance - Yukun Liu; Zhi Li; Debattam Sarkar; Stephanie M. Ribet; Hengdi Zhao; Hongyao Xie; Premakumar Yanda; Juncen Li; Jinfeng Dong; Alfred Yan; Chandra Shekhar; Qingyu Yan; et al. (Journal of the American Chemical Society, 2026)