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Cu-and Co-substituted NiZn ferrite thin films,Ni0.4-xZn0.6CuxFe2O4 and Ni0.5Zn0.5CoxFe2-xO4(0≤x≤0.2),are synthesized by sol-gel process.The crystallographic and magnetic properties of Cu-and Co-substituted NiZn ferrite thin films have been investigated.Th