What is it about?
This work reports on the structural evolution, from akaganeite to hematite, of iron oxide nanorods. We used synchrotron X-ray powder diffraction, transmission electron microscopy and scanning electron microscopy to characterize the samples.
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Why is it important?
With the use of synchrotron radiation tuned below the absorption edge of iron we could identify a minor water-containing phase of iron oxide, which has never before been reported for such systems although its structure was known previously. Ex situ phase evolution took place and was characterized with the use of synchrotron X-ray powder diffraction data and the Rietveld method.
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This page is a summary of: Morphological and structural evolution from akaganeite to hematite of nanorods monitored by ex situ synchrotron X-ray powder diffraction, RSC Advances, January 2014, Royal Society of Chemistry,
DOI: 10.1039/c3ra42753f.
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Morphological and structural evolution from akaganeite to hematite of nanorods monitored by ex situ synchrotron X-ray powder diffraction
Morphological and structural evolution from akaganeite to hematite of nanorods monitored by ex situ synchrotron X-ray powder diffraction
Hematite (α-Fe2O3) is one of the most abundant minerals in nature and a thermodynamically-stable phase of iron oxide. Our study describes the phase evolution of iron oxide nanorods, from β-FeOOH to α-Fe2O3, with increasing temperatures of thermal treatment monitored by ex situ synchrotron X-ray powder diffraction data.
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