Fig. 3From: Synthesis and Characteristics of FePt Nanoparticle Films Under In Situ-Applied Magnetic FieldThe grain morphology and size distribution of FePt nanoparticles. The TEM images of FePt nanoparticles synthesized with (a) and without (b) in situ-applied magnetic field. c The particle size distribution curve for as-prepared FePt nanoparticles under magnetic field from Fig. 3bBack to article page