Magnetic properties of Sn-substituted Ni–Zn ferrites synthesized from nano-sized powders of NiO, ZnO, Fe2O3, and SnO2
Ali MA1, Uddin MM1, †, Khan MNI2, Chowdhury FUZ1, Hoque SM2, Liba SI2
       

(color online) (a) Temperature dependent initial permeability ( for different Sn concentrations, (b) variation of the Curie temperature as a function of Sn concentration in the NZSFO ferrites.