Emergence of bulk-like structural features and 2D-to-3D transition in boron nanoclusters - Qiang Chen; Hyun Wook Choi; Guang-Feng Wei; Deniz Kahraman; Rui-Nan Yuan; Qin-Wei Zhang; Qiao-Qiao Yan; Xiao-Ni Zhao; Cai-Yue Gao; Yuan-Yuan Ma; Rui Wei; Yilin Gui; et al. (Proceedings of the National Academy of Sciences, 2025)