Figure 3From: Photo-induced electric polarizability of Fe3O4 nanoparticles in weak optical fieldsAbsorbance spectra for the MMAS and Fe 3 O 4 nanoparticle array. The optical absorbance spectra for pure MMAS and Fe3O4 nanoparticle arrays with 0.001%, 0.003%, 0.005%, and 0.01% volume concentrations.Back to article page