AActa Materialia3/19/2026Synergistic optimization of electrical and thermal transport in Mg3+δ(Sb, Bi)2 through Ga-modified grain boundariesZhengniu Pan·Lei Miao·Zhongwei Zhang·Sijing Zhu·Jing Liang·Shiyuan Zhao·JunQi Chen·Jie Gao·Zhen Fan·Yi Wang·Hongyun Zhao·Qi Zhou·Z. G. ZhangRead at Acta MaterialiaTagsAdvanced Thermoelectric Materials and DevicesMaterials Chemistry