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

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.

Physical Review B, in press

References in corpus (10)

• Magnetic behavior of Co ions in the exotic spin-chain compound,Ca3Co2O6, from 59Co NMR studies
• Superparamagnetic-like ac susceptibility behavior in a "partially disordered antiferromagnetic" compound, Ca${}_3$CoRhO${}_6$
• Magnetic behaviour of quasi-one-dimensional oxides, Ca${}_3$Co${}_{(}1+x)$Mn${}_{1-x}$O${}_6$
• Magnetic frustration in a stoichiometric spin-chain compound, Ca${}_3$CoIrO${}_6$
• Evidence for the coexistence of low-dimensional magnetism and long-range order in Ca3CoRhO6
• Heat-capacity anomalies in the presence of high magnetic fields in the spin-chain compound, Ca3Co2O6
• Inhomogeneous magnetism in single crystalline Sr${}_3$CuIrO${}_{6+\delta }$: Implications to phase-separation concepts
• Magnetic anomalies in the spin chain system, Sr${}_3$Cu${}_{1-x}$Zn${}_x$IrO${}_6$
• Long range magnetic ordering in a spin-chain compound, Ca${}_3$CuMnO${}_6$, with multiple bond distances
• Magnetic behavior of spin-chain compounds, Sr3ZnRhO6 and Ca3NiMnO6, from heat capacity and ac susceptibility studies

Cited by in corpus (3)

• Partial antiferromagnetism in spin-chain Sr5Rh4O12, Ca5Ir3O12 and Ca4IrO6 single crystals
• Geometrically frustrated magnetic behavior of Sr3NiRhO6 and Sr3NiPtO6
• Synthesis and characterization of Na03RhO206H2O - a semiconductor with a weak ferromagnetic component