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Issue 18, 2012
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Highly crystalline strontium ferrites SrFeO3−δ: an easy and effective wet-chemistry synthesis

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Abstract

The synthesis of strontium ferrite SrFeO3−δ has been explored through wet-chemistry methods in order to optimize a quick, easy and reproducible method to obtain the perovskite in pure crystalline form with a high yield. Among the three investigated synthetic paths, (i) coprecipitation of hydroxides, (ii) coprecipitation of oxalates and (iii) polyol-assisted coprecipitation, only the second one was effective in obtaining the desired perovskite modification as a single phase. The products were analyzed by means of powder X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), to determine the crystalline structure and the chemical composition of the sample surface, respectively, and to optimise the synthetic process. Pure samples were further characterised by means of inductively coupled plasma (ICP-AES) analysis, nitrogen adsorption, elemental analysis, temperature programmed reduction (TPR) and Mössbauer spectroscopy.

Graphical abstract: Highly crystalline strontium ferrites SrFeO3−δ: an easy and effective wet-chemistry synthesis

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Publication details

The article was received on 11 Oct 2011, accepted on 25 Jan 2012 and first published on 05 Mar 2012


Article type: Paper
DOI: 10.1039/C2DT11916A
Dalton Trans., 2012,41, 5517-5525

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    Highly crystalline strontium ferrites SrFeO3−δ: an easy and effective wet-chemistry synthesis

    S. Diodati, L. Nodari, M. M. Natile, U. Russo, E. Tondello, L. Lutterotti and S. Gross, Dalton Trans., 2012, 41, 5517
    DOI: 10.1039/C2DT11916A

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