Magnetic behavior of the spin-chain compounds,Ca3CuIrO6 and Ca3CuRhO6

S. Rayaprol; E. V. Sampathkumaran

doi:10.1103/PhysRevB.71.094403

Magnetic behavior of the spin-chain compounds,Ca3CuIrO6 and Ca3CuRhO6

Strongly Correlated Electrons 2009-11-10 v1 Materials Science

Authors: S. Rayaprol , E. V. Sampathkumaran

View on arXiv ↗ PDF ↗ DOI ↗

Abstract

The spin-chain compounds, Ca3CuIrO6 and Ca3CuRhO6, crystallizing in a K4CdCl6-derived monoclinic structure, are investigated by ac and dc magnetization, isothermal remnant magnetization as well as heat capacity measurements. The results reveal the existence of a magnetic ordering in the vicinity of 15 K for both the compounds, but the transition appears to be of a complex nature. The existence of a spin-glass component is strongly indicated by the results. We propose that topological effects play a role on magnetism of these compounds. The magnetic properties for these two compounds are interestingly similar as though isoelectronic chemical substitution at the octahedral coordination site does not significantly interfere in the magnetic exchange process.

Keywords

spin-chain compounds magnetic ordering spin-glass component topological effects magnetization measurements

Cite

@article{arxiv.cond-mat/0412386,
  title  = {Magnetic behavior of the spin-chain compounds,Ca3CuIrO6 and Ca3CuRhO6},
  author = {S. Rayaprol and E. V. Sampathkumaran},
  journal= {arXiv preprint arXiv:cond-mat/0412386},
  year   = {2009}
}

Comments

Physical Review B, in press

Related papers

View all related →