Unusual nanoscale coexistence of polar-nonpolar domains underlying oxygen storage properties in Ho(Mn, Ti)O${}_{3+\delta }$

Hiroshi Nakajima, Kento Uchihashi, Hirofumi Tsukasaki +10

Hexagonal manganese oxides RMnO${}_3$ show intriguing topological ferroelectric-domain walls with variable conductivity, leading to domain wall engineering. Despite the numerous expe…