Preparation of γ-Fe2O3 nanoparticles using DC thermal arc-plasma route, their characterization and magnetic properties
2006
Abstract γ-Fe 2 O 3 particles were prepared, for the first time, using a direct current thermal arc-plasma route. The powder was characterized using X-ray diffraction, Mossbauer spectroscopy, X-ray photoelectron spectroscopy, chemical analysis, vibrating sample magnetometry and transmission electron microscopy. The high purity, stoichiometry and spherical morphology of the γ-Fe 2 O 3 particles (saturation magnetization = 79 emu g −1 and coercivity = 348 Oe) were confirmed.
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