Observation of Robust Compressed CuO6 Octahedra and Exotic Spin Structure in CaCuFe2O5 - Maocai Pi; Junye Yang; Jie Zhang; Xubin Ye; Xiao Wang; Lunhua He; Zhiwei Hu; Chien-Te Chen; ChangYang Kuo; Zhao Pan; Yao Shen; Youwen Long (Journal of the American Chemical Society, 2025)