Fig. 6

a–d TEM image in sintered nanocomposites with 0.5 wt% graphenes and 0.5 wt% MWCNTs. a TEM image showing nano-Carbon microstructure in Cu; b Magnified TEM image of Fig. 6a; c High resolution TEM image analysis taken from the marked cross symbol spots 1 in Fig. 6a; d High resolution TEM image analysis taken from the marked cross symbol spots 2 in Fig. 6a. Inserted in a is EDS spectra taken from the marked cross symbol spots 1and 2