Citation: Zhang, Junjie; Zheng, Hong; Malliakas, Christos D.; Allred, Jared M.; Ren, Yang; Li, Qing’ an; Han, Tian-Heng; Mitchell, J.F. (2014). Brownmillerite Ca2Co2O5: Synthesis, Stability, and Re-entrant Single Crystal to Single Crystal Structural Transitions. Chemistry of Materials, 26, pp. 7172-.