Fig. 2From: Morphologically controlled synthesis of ferric oxide nano/micro particles and their catalytic application in dry and wet media: a new approach a SEM images of Fe3O4 prepared, b TEM image of product, c hollow spherical aggregates, d spherical aggregate, e and f HRTEM images of the product. g Nitrogen adsorption–desorption isotherm and corresponding BJH pore-size distribution curve of product ABack to article page