Fig. 3: Comparison of the morphologies of Fe@C nanotubes.
From: Continuous iron spreading on carbon-shell composite nanotubes for electromagnetic wave absorption
a TEM image of Fe@C-350 and e HRTEM image. b TEM image of Fe@C-450 and f HRTEM image. c TEM image of Fe@C-550 and g HRTEM image. d TEM image of Fe@C-650 and h HRTEM image.
