Chemically Tuning between Ferromagnetism and Antiferromagnetism by Combining Theory and Synthesis in Iron/Manganese Rhodium Borides

Quaternary rhodium borides of general formula A2MRh5B2 (see picture: Mg green, Mn red, Rh blue, B yellow) offer a nice playground for combined synthetic–theoretical investigations. The relative robustness of the underlying structure type allows various adjustments of the valence‐electron concentrati...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2002-07, Vol.41 (14), p.2528-2532
Main Authors: Dronskowski, Richard, Korczak, Karol, Lueken, Heiko, Jung, Walter
Format: Article
Language:English
Subjects:
borides
density functional calculations
intermetallic phases
magnetism
solid-state structures
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Summary:Quaternary rhodium borides of general formula A2MRh5B2 (see picture: Mg green, Mn red, Rh blue, B yellow) offer a nice playground for combined synthetic–theoretical investigations. The relative robustness of the underlying structure type allows various adjustments of the valence‐electron concentration to be explored. In synthesizing new magnetic materials by following a chemical theory of cooperative magnetic phenomena, it is demonstrated how physical properties, such as antiferromagnetic or ferromagnetic behavior can be understood, predicted, and, eventually, realized.
ISSN:1433-7851
1521-3773
DOI:10.1002/1521-3773(20020715)41:14<2528::AID-ANIE2528>3.0.CO;2-6