σ-Aromatic Ge–Sn Bridges in a Triply-Bonded Bare Cluster Dimer with a Long-Lived Triplet State - Ya-Shan Huang; Ziqi Deng; Wen-Juan Tian; Hui-Qing Sun; Alvaro Muñoz-Castro; Teng-Teng Chen; Zhong-Ming Sun (Journal of the American Chemical Society, 2025)