Atomic-scale origin of polarity at {011¯8} twin walls in calciteRemoveTomohiro Yamashita, Soma Seto, Yixin Lin, Yang Yang, Xiangdong Ding, Nicholas J. Butterfield, Ekhard Salje, Taro Kuwano, and Hiroko YokotaPhys. Rev. B 114, 024106 (2026)
