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Planare Borringe wurden vor einigen Jahren bei Untersuchungen von Borclustern in der Gasphase als Bausteine für neue molekulare Festkörpermaterialien vorausgesagt. In ihrer Zuschrift auf Seite 13390 ff. berichten B. P. T. Fokwa et al., wie eine Kombination von experimentellen Daten und Dichtefunktionalrechnungen zur Entdeckung des neuen ferromagnetischen Materials Nb6Fe1−xIr6+xB8 (Tc=350 K) führte,...
The synergistic combination of experiment and density functional theory has led to the discovery of the first ferromagnetic material, Nb6Fe1−xIr6+xB8, containing in its crystal structure iron chains embedded in stacked B6 rings. The strong ferromagnetic Fe–Fe interactions found in the iron chains induce an unexpected strengthening of the B–B interactions in the B6 rings. Beside these strong B–B interactions,...
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