Fig. 6From: Composition, Electronic and Magnetic Investigation of the Encapsulated ZnFe2O4 Nanoparticles in Multiwall Carbon Nanotubes Containing Ni ResidualsM-H loops of mCNTs and ZnFe2O4/mCNTs at 77 K. The inset shows an enlarged view of the M-H at 77 KBack to article page