Figure 2.

Hysteresis loop of the zero-valent iron nanoparticles for temperature of 300 K measured with magnetometer MPMS XL by Jiří Tuček at the Palacký University Olomouc.

Rosická and Šembera Nanoscale Res Lett 2011 6:10   doi:10.1007/s11671-010-9753-4