Fig. 5From: Enhanced viscoelastic property of iron oxide nanoparticle decorated organoclay fluid under magnetic field a TEM micrograph of OA-treated iron oxide nanoparticle, b a size distribution of nanoparticles (measured from Fig. 5a), c TEM micrograph of exfoliated clay and d TEM micrograph of OA-treated iron oxide and CTAB-treated clayBack to article page