Figure 3From: Study on Composition Distribution and Ferromagnetism of Monodisperse FePt NanoparticlesSTEM-high angle annular dark field (HAADF) images of a 4.5 nm FePt nanoparticles and b 6.0 nm FePt nanoparticles for TEM-EDS measurements. c EDX spectra of individual FePt nanoparticles with the electron probe circled in a and bBack to article page