Self-adaptive dislocation morphing ductilizes a refractory high-entropy alloy across an ultrawide temperature spectrum - Xichen Zhou; Qianyong Zhu; Hongliang Dong; Xiao Liang; Qihan Jia; Cheng Zhang; Jian He; Wenting He; Yuye Wu; Yi Ru; Bin Chen; Robert O. Ritchie; et al. (Proceedings of the National Academy of Sciences, 2026)