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Issue 11, 2012
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Hierarchical magnetic iron (III) oxides prepared by solid-state thermal decomposition of coordination polymers

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Abstract

By calcining Prussian Blue (PB) microcrystals with well-defined morphologies at different temperatures (300 °C, 450 °C and 600 °C, respectively) in air, β-Fe2O3, γ-Fe2O3 and α-Fe2O3 with different shapes were successfully prepared. It was found that the heating rate played a critical role in the shape and hierarchical structure of the prepared iron(III) oxides. When the heating rate was as high as 10 °C min−1, hierarchical iron(III) oxides could be obtained, while when the heating rate was as low as 1 °C min−1, iron(III) oxides with smooth surfaces could be obtained. The hierarchical iron(III) oxides showed an interesting magnetic response at room temperature. The differences of magnetic properties for the hierarchical iron(III) oxides prepared at different temperatures should be caused by the composition of different phases.

Graphical abstract: Hierarchical magnetic iron (iii) oxides prepared by solid-state thermal decomposition of coordination polymers

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Publication details

The article was received on 27 Nov 2011, accepted on 20 Mar 2012 and first published on 16 Apr 2012


Article type: Paper
DOI: 10.1039/C2RA01190E
Citation: RSC Adv., 2012,2, 4782-4786
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    Hierarchical magnetic iron (III) oxides prepared by solid-state thermal decomposition of coordination polymers

    M. Hu, J. Jiang, F. Bu, X. Cheng, C. Lin and Y. Zeng, RSC Adv., 2012, 2, 4782
    DOI: 10.1039/C2RA01190E

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