CHARACTERIZATION AND STUDIES OF MAGNETIC PROPERTIES OF NANO-CRYSTALLINE NICKEL ZINC FERRITES (NiZn-Fe2O4) SYNTHESIZED BY CALCINATION METHOD. - RAMALINGAM, R. J.; NAYAK, P. K.; NELSON, A. J.; RADHIKA, T.; AL-LOHEDAN, H. A.; ISSA, Z. A. (Journal of Ovonic Research, 2020)