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Issue 23, 2016

Nitride tuning of lanthanide chromites

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Abstract

LnCrO3−xNx perovskites with Ln = La, Pr and Nd and nitrogen contents up to x = 0.59 have been synthesised through ammonolysis of LnCrO4 precursors. These new materials represent one of the few examples of chromium oxynitrides. Hole-doping through O2−/N3− anion substitution suppresses the magnetic transition far less drastically than Ln3+/M2+ (M = Ca, Sr) cation substitutions because of the greater covalency of metal–nitride bonds. Hence, nitride-doping is a more benign method for doping metal oxides without suppressing electronic transitions.

Graphical abstract: Nitride tuning of lanthanide chromites

Supplementary files

Article information


Submitted
25 Jan 2016
Accepted
17 Feb 2016
First published
17 Feb 2016

Chem. Commun., 2016,52, 4317-4320
Article type
Communication

Nitride tuning of lanthanide chromites

A. P. Black, H. E. Johnston, J. Oró-Solé, B. Bozzo, C. Ritter, C. Frontera, J. P. Attfield and A. Fuertes, Chem. Commun., 2016, 52, 4317 DOI: 10.1039/C6CC00744A

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