Figure 4From: Size dependence of the magnetic properties of Ni nanoparticles prepared by thermal decomposition methodTG/DTA curves. Ni nanoparticles with particle sizes of (a) 23, (b) 45, (c) 80, (d) 114 nm, and (e) the corresponding bulk Ni sample, obtained in the presence of a piece of Nd2Fe14B permanent magnet and under argon atmosphere.Back to article page