Fig. 3From: Post-treatment Method for the Synthesis of Monodisperse Binary FePt-Fe3O4 NanoparticlesGrain size distribution of black FePt nanoparticles ((a1) as-synthesized; (a2) 150 °C post-treated; (a3) 200 °C post-treated) and gray Fe3O4 nanoparticles ((b1) 150 °C post-treated; (b2) 200 °C post-treated)Back to article page