Journal of Nanomaterials / 2014 / Article / Fig 5

Research Article

Synthesis and Magnetic Properties of Hematite Particles in a “Nanomedusa” Morphology

Figure 5

(a) Zfc and fc magnetic susceptibilities of the HNM particles in the temperature range between 1000 and 2 K in a magnetic field of 100 Oe. The inset shows the fit of the experimental data with the equation (green curve) in the region of the phase transition. The zfc and fc susceptibilities of bulk hematite in the temperature range from 2 to 400 K are shown by the red curves. The Morin transition is marked by an arrow. (b) A selected set of curves of the HNM particles between 800 and 2 K. The inset shows temperature dependence of the coercive field .

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