Enhancing Magneto-Optical Activity via Coordination Distortion in Chiral Er 4 M 8 Clusters - Jia-Nan Chen; Jiaye Chen; Ming-Qiang Qi; Ya-Xuan Xue; Zhong-Hua Pan; Cheng Wang; Yingying Duan; La-Sheng Long; Lan-Sun Zheng; Xiang-Jian Kong (Journal of the American Chemical Society, 2026)