Figure 7
From: Negative magnetostrictive paper formed by dispersing CoFe2O4 particles in cellulose nanofibrils
Magnetostrictive properties of the CNF–CoFe2O4 composite papers with CoFe2O4 contents of (a) 10.9, (b) 21.0 and (c) 27.5 vol% and (d) the CoFe2O4 plate; (e) plot of maximum negative magnetostriction versus CoFe2O4 volume fraction.
