Formation of magnetic order in Ca1−x R x MnO3 (R = La, Pr, Sm)

The regions of existence of magnetic structures of the G and C type and the region of their coexistence have been found in Ca1−x R x MnO3 (R = La, Pr, Sm) solid solutions using the Monte Carlo method. A phase diagram on the temperature-concentration plane has been calculated in the model with random and ordered distribution of anisotropic ferromagnetic bonds.