English

Evolution of Structure and Magnetic Properties of Cu2MnBO5 under Partial Mn3+->Fe3+ Substitution

Materials Science 2018-06-13 v1

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 strong dependence of the magnetic properties of these ludwigites on x with changing the type of magnetic ordering.

Keywords

Cite

@article{arxiv.1712.00799,
  title  = {Evolution of Structure and Magnetic Properties of Cu2MnBO5 under Partial Mn3+->Fe3+ Substitution},
  author = {E. M. Moshkina and M. S. Platunov and Yu. V. Seryotkin and A. F. Bovina and E. V. Eremin and S. N. Sofronova and L. N. Bezmaternykh},
  journal= {arXiv preprint arXiv:1712.00799},
  year   = {2018}
}