Figure 1
From: Origin of reduced magnetization and domain formation in small magnetite nanoparticles

Conventional TEM images of (a) Sun, (b) Colvin, (c) Hyeon nanoparticles. Zero Field Cooled (ZFC) and Field Cooled (FC) magnetization curves for (d) Sun, (e) Colvin, (f) Hyeon nanoparticles.