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Issue 16, 2017
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Topochemical synthesis of cation ordered double perovskite oxynitrides

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Abstract

Topochemical nitridation in ammonia at moderate temperatures of cation ordered Sr2FeWO6 produces new antiferromagnetic double perovskite oxynitrides Sr2FeWO6−xNx with 0 < x ≤ 1. Nitrogen introduction induces the oxidation of Fe2+ to Fe3+ and decreases TN from 38 K (x = 0) to 13 K for Sr2FeWO5N which represents the first example of a double perovskite oxynitride with both high cationic order and nitrogen content. This synthetic approach can be extended to other cation combinations expanding the possibility of new materials in the large group of double perovskites.

Graphical abstract: Topochemical synthesis of cation ordered double perovskite oxynitrides

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Publication details

The article was received on 06 Mar 2017, accepted on 16 Mar 2017 and first published on 16 Mar 2017


Article type: Communication
DOI: 10.1039/C7DT00800G
Citation: Dalton Trans., 2017,46, 5128-5132
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    Topochemical synthesis of cation ordered double perovskite oxynitrides

    R. Ceravola, J. Oró-Solé, A. P. Black, C. Ritter, I. Puente Orench, I. Mata, E. Molins, C. Frontera and A. Fuertes, Dalton Trans., 2017, 46, 5128
    DOI: 10.1039/C7DT00800G

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