Transformation of structure and magnetic properties of Cu2MnBO5 under partial Mn3+ → Fe3+ substitution

E. M. Moshkina, M. S. Platunov, Yu V. Seryotkin, A. F. Bovina, E. V. Eremin, S. N. Sofronova, L. N. Bezmaternykh

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5 Citations (Scopus)

Abstract

Single crystals of Fe-substituted Cu2Mn1-xFexBO5 ludwigites have been synthesized using flux technique (x = 0.2, 0.4, 0.5 – in the initial flux system). Structural properties of the synthesized compounds were studied by the single crystal and powder X-ray diffraction analysis. Obtained results were analyzed in the relationship with parent compound Cu2MnBO5. It was revealed that the type of monoclinic distortions of Fe-substituted ludwigites is different from the structure of Cu2MnBO5. The real cation composition and local structure of Cu2Mn1-xFexBO5 ludwigites were studied using XANES and EXAFS techniques, respectively. Analysis of field and thermal dependencies of magnetization showed a high dependence of the magnetic properties of these ludwigites on x with changing the type of magnetic ordering.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalJournal of Magnetism and Magnetic Materials
Volume464
DOIs
Publication statusPublished - 15 Oct 2018

Keywords

  • Crystal growth
  • Ferrimagnets
  • Ludwigites
  • Magnetic phase transitions
  • Quasi-low-dimensional structure

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