The authors acknowledge the financial support by the German Science Foundation (DFG). We would also like to thank Dipl.-Ing. Ludwig Stork for chemical assistance.
A Ferromagnetic Carbodiimide: Cr2(NCN)3†
Article first published online: 31 MAY 2010
Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 49, Issue 28, pages 4738–4742, June 28, 2010
How to Cite
Tang, X., Xiang, H., Liu, X., Speldrich, M. and Dronskowski, R. (2010), A Ferromagnetic Carbodiimide: Cr2(NCN)3. Angew. Chem. Int. Ed., 49: 4738–4742. doi: 10.1002/anie.201000387
- Issue published online: 21 JUN 2010
- Article first published online: 31 MAY 2010
- Manuscript Received: 22 JAN 2010
- German Science Foundation (DFG)
- magnetic properties;
- Rietveld refinement
The same, but different: Chromium(III) carbodiimide (see structure), the first ferromagnetic carbodiimide, was synthesized from CrCl3 and ZnNCN and was characterized by X-ray diffraction. Despite being isostructural with antiferromagnetic Cr2O3, Cr2(NCN)3 adopts a ferromagnetic ground state as shown by SQUID measurements and correlated density-functional theory. At low temperatures, the phase shows a slightly larger magnetization than maghemite.