Origin of the multiferroic spiral spin-order in the RMnO3 perovskites

Shuai Dong, Rong Yu, Seiji Yunoki +2

The origin of the spiral spin-order in perovskite multiferroic manganites $R$MnO${}_3$ ($RE=$ Tb or Dy) is here investigated using a two $e_{\mathrm{g}}$-orbitals double-exchange model.…