The superexchange interactions in mixed Co–Fe ludwigite

The crystal structure, cation distribution and exchange interactions in the Co 2.25Fe 0.75O 2BO 3 ludwigite have been explored through X-ray diffraction, electrical resistivity, ac-susceptibility and Mossbauer effect measurements. The crystal data have shown that iron atoms occupy the most symmetric...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2011-03, Vol.323 (5), p.521-527
Hauptverfasser:	Kazak, N.V., Ivanova, N.B., Bayukov, O.A, Ovchinnikov, S.G, Vasiliev, A.D., Rudenko, V.V., Bartolomé, J., Arauzo, A., Knyazev, Yu.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Diffraction Electrical resistivity Frustration Hopping (conductivity) Iron Law Ludwigite Ludwigite structure Magnetic frustration Magnetic susceptibility Mossbauer effect Mott conductivity
Online-Zugang:	Volltext
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