Citation:
LI Guo-Ping, WU Mei-Hua, LI Fei-Ming, WENG Wen. Magnetic α-Fe2O3, γ-Fe2O3 and Fe3O4 Prepared by Facile Calcination from K4[Fe(CN)6][J]. Chinese Journal of Structural Chemistry,
2015, 34(12): 1935-1938.
doi:
10.14102/j.cnki.0254-5861.2011-1007
Magnetic α-Fe2O3, γ-Fe2O3 and Fe3O4 Prepared by Facile Calcination from K4[Fe(CN)6]
摘要:
Magnetic α-Fe2O3, γ-Fe2O3 and Fe3O4 were prepared by facile calcination under different temperature from K4[Fe(CN)6] as raw materials, in which the calcined products are α-Fe2O3, Fe3O4 and γ-Fe2O3 at 400 or 700, 500, and 600℃, respectively. The as-prepared compounds were characterized by X-ray powder diffraction and scanning electron microscopy, and their magnetic behavior at room temperature was also studied. This method provided a simple approach to prepare different polymorphic forms of magnetic iron oxides, which may have potential applications in magnetic science, magnetic composite materials, magnetic core, magnetic separation and medical diagnostics.
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关键词:
- iron oxides
- / magnetic
- / calcinations
- / K4[Fe(CN)6]
English
Magnetic α-Fe2O3, γ-Fe2O3 and Fe3O4 Prepared by Facile Calcination from K4[Fe(CN)6]
Abstract:
Magnetic α-Fe2O3, γ-Fe2O3 and Fe3O4 were prepared by facile calcination under different temperature from K4[Fe(CN)6] as raw materials, in which the calcined products are α-Fe2O3, Fe3O4 and γ-Fe2O3 at 400 or 700, 500, and 600℃, respectively. The as-prepared compounds were characterized by X-ray powder diffraction and scanning electron microscopy, and their magnetic behavior at room temperature was also studied. This method provided a simple approach to prepare different polymorphic forms of magnetic iron oxides, which may have potential applications in magnetic science, magnetic composite materials, magnetic core, magnetic separation and medical diagnostics.
-
Key words:
- iron oxides
- / magnetic
- / calcinations
- / K4[Fe(CN)6]
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