Figure 4.

TG/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.

He et al. Nanoscale Research Letters 2013 8:446   doi:10.1186/1556-276X-8-446
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