H. Nguyen Van, H. Pham Van, T. Truong Thi, H. Nguyen Thi Minh and T. Pham Truong, Effect of Sm and Mn Co-doping on the Crystal Structure and Magnetic Properties of \(\text{BiFeO}_{3}\) Polycrystalline Ceramics, Comm. Phys. 30 (2020) 257. DOI: https://doi.org/10.15625/0868-3166/30/3/14882.