1. J. Smit, H.P.J. Wijn, Ferrites (Philips Technical Library, Eindhoven, 1959)
2. A. Sharbati, S. Choopani, A. Ghasemi, Synthesis and magnetic properties of nanocrystalline Ba3Co2(0.8−x)Mn0.4Ni2xFe24O41 prepared by citrate sol-gel method. Dign. J. Nanomater. Biostruct. 6, 187 (2011).
3. T. Wu, H. Su, Q. Ding, H. Zhang, Y. Jing, X. Tang, Aluminum substituted low loss Z-type hexaferrites for antenna applications. Phys. B 429, 85 (2013)
4. J.P. Mohammad, G. Ali, R.G. Gholam, Characterization and investigation of magnetic and microwave properties of Al–Cr-substituted Z-type barium hexaferrite nanoparticles. J. Superconduct Novel Magn. 6, 795 (2016)
5. Q. Li, S. Yan, X. Wang, Y. Nie, Z. Feng, Su Zhijuan, Y. Chen, V.G. Harris, Dual-ion substitution induced high impedance of Co2Z hexaferrites for ultra-high frequency applications. Acta Mater. 98, 190 (2015)