Effect of Al-doped YCrO3 on structural, electronic and magnetic properties

A. Durán*, E. Verdín, A. Conde, R. Escamilla

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Structural, dielectric and magnetic properties were investigated in the YCr1−xAlxO3 with 0 < x < 0.5 compositions. XRD and XPS studies show that the partial substitution of the Al3+ ion decreases the cell volume of the orthorhombic structure without changes in the oxidation state of the Cr3+ ions. We discuss two mechanisms that could have a significant influence on the magnetic properties. The first is related to local deformation occurring for x < 0.1 of Al content and the second is related to change of the electronic structure. The local deformation is controlled by the inclination of the octahedrons and the octahedral distortion having a strong effect on the TN and the coercive field at low Al concentrations. On the other hand, the decreasing of the magnetization values (Mr and Hc) is ascribed to changes in the electronic structure, which is confirmed by a decreasing of the contribution of Cr 3d states at Fermi level due to increasing Al3+ content. Thus, we analyzed and discussed that both mechanisms influence the electronic properties of the YCr1−xAlxO3 solid solution.

Original languageEnglish
Pages (from-to)36-43
Number of pages8
JournalJournal of Magnetism and Magnetic Materials
Volume453
DOIs
StatePublished - 1 May 2018

Bibliographical note

Publisher Copyright:
© 2017

Keywords

  • Dielectric properties
  • Electrical conductivity
  • Magnetism
  • Structure

Fingerprint

Dive into the research topics of 'Effect of Al-doped YCrO3 on structural, electronic and magnetic properties'. Together they form a unique fingerprint.

Cite this