Fig. 4From: Enhanced viscoelastic property of iron oxide nanoparticle decorated organoclay fluid under magnetic fieldXRD patterns of (a) pristine clay, (b) CTAB-treated clay (organoclay) and (c) CTAB-treated clay which are decorated with OA-treated iron oxide nanoparticles. The inset shows XRD pattern in a 2θ range of 30–40° from (c)Back to article page