2011
DOI: 10.4028/www.scientific.net/amr.282-283.312
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Synthesis and Characterization of Magnetic γ-Fe<sub>2</sub>O<sub>3</sub>/Al<sub>2</sub>O<sub>3</sub> Core-Shell Nanocomposites

Abstract: The γ-Fe2O3/Al2O3core-shell nanocomposites (MCSs) were successfully synthesized by using heterogeneous nucleation method. The results show that a core-shell structures exit in γ-Fe2O3/Al2O3MCSs and that the size of γ-Fe2O3/Al2O3MCSs is in nanoscale. The saturated magnetization and coercivity of γ-Fe2O3/Al2O3MCSs decrease compared with that of γ-Fe2O3nanoparticles. However, the infrared absorbing ability of γ-Fe2O3/Al2O3MCSs is obvious enhanced and it is expected to become a new series of absorbing materials ap… Show more

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