[1] Schmid H., "Multi-ferroic magnetoelectrics", Ferroelectrics, 162, pp. 317–338 1994
[2] Schmid H., "Some symmetry aspects of ferroics and single phasemultiferroics", J. Phys: Cond Matter, 20, pp. 434201–434225, 2008.
[3] Eerenstein W., Mathur N. D., Scott J. F.. "Multiferroic and magnetoelectric materials", Nature, 442 (2006) 759.
[4] Khomskii D. I., J. Magn. Magn. Mater. "Multiferroics: different ways to combine magnetism and ferroelectricity", 306 (2006) 1.
[5] Catalan G., Scott J.F., "Physics and applications of bismuth Ferrite , Advanced Materials", 21 (2009) 2463-2485.
[6] Smolensky G.A., Isupov V.A., Agronovskaya A.I., "New ferroelectrics of complex composition of the type, A2+2(BI+2 BII+5)O6 ", Sov. Phys. Solid State, 1 pp. 150-151 (1959).
[7] Ruette B., Zvyagin S., Pyatakov A.P., Bush A., Li J.F., Belotelov V.I., Zvezdin A.K.,
Viehland D., "Magneticfield-induced phase transition in BiFeO3 observed by high-fieldelectron spin", resonance: Cycloidal to homogeneous spin order, Phys. Rev. B. 69 (2004)064114-20.
[8] Lotey G.S., Verma. N.K., "Multiferroism in rare earth metals-doped BiFeO3 nanowires, Superlattices and Microstructures", 60(2013) 60-6.
[9] Sunil Chauhan, Manisha Arora, Sati P.C., Sandeep Chhoker, Katyal S.C., Manoj Kumar, ".Structural, vibrational, optical, magnetic and dielectric properties of Bi1_xBaxFeO3 nanoparticles", 39 (2013) 6399–6405.
[10] Wei W., Xuan H., Wang L., Zhang Y., Shen K., Wang D., Qiu T., Xu Q., Physica B. "Structural, Magnetic, Optical and Electrical Properties of Ba Substituted BiFeO3", 407 (2012) 2243.
[11] Naeimi A.S., Dehghan E., Sanavi Khoshnoud D., Gholizadeh A., "Enhancment of ferromagnetism in Ba and Er co-doped BiFeO3 nanoparticles", Journal of Magnetism and Magnetic Materials 393 (2015) 502–507.
[12] Wu Y. J., Zhang J., Chen X. K., Chen X. J., "Phase evolution and magnetic property of powders. Solid State Communications", 151 (2011) 1936.
[13] Priyadharsini P., Pradeep A., Sathyamoorthy B., Chandrasekaran G., "Enhanced multiferroic properties in La and Ce co-doped BiFeO3 nanoparticles", 75(2014)797–802.
[14] Basiri M.H., Shokrollahi H., Isapour Gh., "Effects of La content on the magnetic, electric and structural propertiesof BiFeO3", Journal of Magnetism and Magnetic Materials 354 (2014) 184–189.
[15] Andoulsi R., Horchani-Naifer K., Férid M., "Structural and electrical properties of calcium substituted lanthanum ferrite powders, Powder Technology", 230 (2012) 183-187.
[16] Cheng Z., Li A., Wang X., Dou S.X., Ozawa K., Kimura H., Zhang S., Shrout T.R., "Structure, ferroelectric properties, and magnetic properties of the La-doped bismuth ferrite", Journal of Applied Physics, 103 (2008) 07E507-507E507-503.
[17] H. L. SuY. Xie, Li B., Liu X. M., Qian Y. T., "A novel one-step solvothernal route to nanocrystalline", Sn4P3, Journal of Solid State Chemistry 146(1999) 110-113.
[18] Yu Z., Wen W., Dechang J., Feng Y., "Synthesis of SrBi2Ta2O9 nanocrystalline powder by a modified sol-gel materials Chemistry and Physics", 77 (2002) 60-64.
[19] Lide D. R., CRC Handbook of Chemistry and Physics, 83rd ed, CRC press , USA, 2002-2003
[20] Izabela Szafraniak-Wizaa, Bartłomiej Andrzejewskib, Bożena Hilczer, "Magnetic Properties of Bismuth Ferrite Nanopowder Obtained by Mechano chemical Synthesis", 5, PL-60965 Poznań, Poland.
[21] Pradhan S. k., Roul B.K., "Improvement of multiferroic and leakage property in monophasic BiFeO3", Physical B, 406 (2011) 3313.
[22] Dey K., Majumdar S., Giri S., "Structural correlation to magnetodielectricity and coercivity at room temperature in multiferroic Bi0.7Ba0.3-xPbxFeO3", Acta Materialia 61 (2013) 379.