Magnetic Nanoparticles of (Co<sub>0.94</sub>Fe<sub>0.06</sub>)<sub>72.5</sub>Si<sub>12.5</sub>B<sub>15</sub> and Fe<sub>78</sub>Si<sub>9</sub>B<sub>13</sub> Obtained by Electric Explosion of Amorphous Wires
И. В. БекетовR. PérezA. V. BagazeevM. VázquezА. I. MedvedevА. П. СафроновG. V. Kurlyandskaya
Abstract
Magnetic nanoparticles (MNPs) were produced by the electric explosion of wire method (EEW) using (Co 0.94 Fe 0.06 ) 72.5 Si 12.5 B 15 and Fe 78 Si 9 B 13 amorphous wires. The wires were exploded in Ar atmosphere at 0.12 MPa. After the explosion the surface of all produced nanoparticles was passivated with oxygen. The produced MNPs are spherical low aggregated particles with average size below 37 nm and rather narrow size distributions with geometric standard deviation less than 1.7. Both materials are multiphase and contain up to 23 wt % of amorphous phase.
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