Figure 4
From: Negative magnetostrictive paper formed by dispersing CoFe2O4 particles in cellulose nanofibrils
SEM images of the CNF–CoFe2O4 composite papers with different CoFe2O4 contents: (a) 10.9, (b) 21.0 and (c) 27.5 vol%.
Figure 4 | Scientific Reports
