Fig. 6From: A study on leakage current and electrical properties of oleic acid-coated cobalt-doped Mn-Zn ferrite nanocrystalline powdersVariation of tan ∂ with frequency for C1(x = 0.1, y = 0.45), C5(x = 0.5, y = 0.25), and C9(x = 0.9, y = 0.05)Back to article page