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Magnetic properties of bare and coated NP-0.50. Upper row: Magnetization (M) versus temperature (a) and M vs. applied field (H) at 5K and 300 K (b) of NP-0.50. Lower row: M vs. applied field (H) in water at 300 K (c), and M vs. 1/H plot for the determination of MS for NP-0.50; CMD-0.50 and Fuco-O.50 (d).
