Tuning the Multiferroism and Magnetoelectric Coupling of Bismuth Ferrite via Substitutional Defects by Er and Transition Metals (Nb/Zr/Y). - S., Divya Lakshmi; Banu, I. B. Shameem; Rajesh, R.; Mamat, Mohamad Hafiz; Vijayaraghavan, G. V. (Journal of Superconductivity & Novel Magnetism, 2023)