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電気学会論文誌A(基礎・材料・共通部門誌)
Vol. 126 (2006) No. 5 P 349-354

記事言語:

http://doi.org/10.1541/ieejfms.126.349

論文

In this study, magnetic iron oxide nanoparticles were produced by thermal treatment of Fe(OH)3 colloidal solution after graphite arc discharge in the solution. X-ray diffraction (XRD) pattern of the heat-treated powders showed that magnetic iron oxide nanoparticles (γ-Fe2O3 or Fe3O4) were produced by the phase transformation from α-Fe2O3 at the thermal treatment temperature over 500°C. The XRD pattern also indicated that the graphite powders produced by the arc discharge were contained in the Fe(OH)3 colloidal solution, suggesting that the graphite powders contributed to the reduction process of α-Fe2O3.

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