Manganese-Nanoparticles Substitutions on the Vanadium Sites of Bi-Sr-Vanadate Aurivillius Ceramics

Figure 5

ESR spectra at room temperature for pure and some selected Mn-doped 212-Bi-Sr-V-O system where (a) Bi₂SrV₂O₉, (c) Bi₂SrV_1.9Mn_0.1O₉ and (e) Bi₂SrV_1.7Mn_0.3O₉.