Figure 5.

Zero field-cooled and field-cooled (ZFC/FC) and room temperature magnetization curves (a) and hysteresis loop (b). Measured for pure CoFe2O4 nanoparticles. Inset, central region on an expanded scale.

Liu et al. Nanoscale Research Letters 2013 8:374   doi:10.1186/1556-276X-8-374
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