Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions

Transition metal nitrides are an important class of materials with applications as abrasives, semiconductors, superconductors, Li-ion conductors, and thermoelectrics. However, high oxidation states are difficult to attain as the oxidative potential of dinitrogen is limited by its high thermodynamic...

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Autores principales: Kloß, Simon D., Haffner, Arthur, Manuel, Pascal, Goto, Masato, Shimakawa, Yuichi, Attfield, J. Paul
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7835361/
https://www.ncbi.nlm.nih.gov/pubmed/33495442
http://dx.doi.org/10.1038/s41467-020-20881-y
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author Kloß, Simon D.
Haffner, Arthur
Manuel, Pascal
Goto, Masato
Shimakawa, Yuichi
Attfield, J. Paul
author_facet Kloß, Simon D.
Haffner, Arthur
Manuel, Pascal
Goto, Masato
Shimakawa, Yuichi
Attfield, J. Paul
author_sort Kloß, Simon D.
collection PubMed
description Transition metal nitrides are an important class of materials with applications as abrasives, semiconductors, superconductors, Li-ion conductors, and thermoelectrics. However, high oxidation states are difficult to attain as the oxidative potential of dinitrogen is limited by its high thermodynamic stability and chemical inertness. Here we present a versatile synthesis route using azide-mediated oxidation under pressure that is used to prepare the highly oxidised ternary nitride Ca(4)FeN(4) containing Fe(4+) ions. This nitridometallate features trigonal-planar [FeN(3)](5−) anions with low-spin Fe(4+) and antiferromagnetic ordering below a Neel temperature of 25 K, which are characterised by neutron diffraction, (57)Fe-Mössbauer and magnetisation measurements. Azide-mediated high-pressure synthesis opens a way to the discovery of highly oxidised nitrides.
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spelling pubmed-78353612021-01-29 Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions Kloß, Simon D. Haffner, Arthur Manuel, Pascal Goto, Masato Shimakawa, Yuichi Attfield, J. Paul Nat Commun Article Transition metal nitrides are an important class of materials with applications as abrasives, semiconductors, superconductors, Li-ion conductors, and thermoelectrics. However, high oxidation states are difficult to attain as the oxidative potential of dinitrogen is limited by its high thermodynamic stability and chemical inertness. Here we present a versatile synthesis route using azide-mediated oxidation under pressure that is used to prepare the highly oxidised ternary nitride Ca(4)FeN(4) containing Fe(4+) ions. This nitridometallate features trigonal-planar [FeN(3)](5−) anions with low-spin Fe(4+) and antiferromagnetic ordering below a Neel temperature of 25 K, which are characterised by neutron diffraction, (57)Fe-Mössbauer and magnetisation measurements. Azide-mediated high-pressure synthesis opens a way to the discovery of highly oxidised nitrides. Nature Publishing Group UK 2021-01-25 /pmc/articles/PMC7835361/ /pubmed/33495442 http://dx.doi.org/10.1038/s41467-020-20881-y Text en © Crown 2021 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Kloß, Simon D.
Haffner, Arthur
Manuel, Pascal
Goto, Masato
Shimakawa, Yuichi
Attfield, J. Paul
Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title_full Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title_fullStr Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title_full_unstemmed Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title_short Preparation of iron(IV) nitridoferrate Ca(4)FeN(4) through azide-mediated oxidation under high-pressure conditions
title_sort preparation of iron(iv) nitridoferrate ca(4)fen(4) through azide-mediated oxidation under high-pressure conditions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7835361/
https://www.ncbi.nlm.nih.gov/pubmed/33495442
http://dx.doi.org/10.1038/s41467-020-20881-y
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