Fig. 4From: Graphene-Induced Room Temperature Ferromagnetism in Cobalt Nanoparticles Decorated Graphene Nanohybrid(A) XRD patterns a rGO nanosheets, b Co NPs, and c Co-rGO nanohybrid (B) Raman spectra of GO, rGO, and Co-rGO nanohybrid (bottom to top). (C) Raman spectra of rGO and Co-rGO, showing changes in the D and G peaksBack to article page