Ultrafine Magnetite Nanopowder: Synthesis, Characterization, and Preliminary Use as Filler of Polymethylmethacrylate Nanocomposites
Figure 2
SEM micrograph of the as-synthesized powder ((a)-left), and detail of the single grain ((a)-right) and of the commercial powder at low ((b)-left) and high ((a)-right) enlargements.