Long range magnetic ordering in a spin-chain compound, Ca${}_3$CuMnO${}_6$, with multiple bond distances

Abstract

The results of ac and dc magnetization and heat capacity measurements as a function of temperature (T = 1.8 to 300 K) are reported for a quasi-one-dimensional compound, Ca${}_3$CuMnO${}_6$, crystallizing in a triclinically distorted K${}_4$CdCl${}_6$-type structure. The results reveal that this compound undergoes antiferromagnetic ordering close to 5.5 K. In addition, there is another magnetic transition below 3.6 K. Existence of two long-range magnetic transitions is uncommon among quasi-one-dimensional systems. It is interesting to note that both the magnetic transitions are of long-range type, instead of spin-glass type, in spite of the fact that the Cu-O and Mn-O bond distances are multiplied due to this crystallographic distortion. In view of this, this compound could serve as a nice example for studying "order-in-disorder" phenomena.

arXiv commentPhysical Review (in press)

References in corpus (6)

• Superparamagnetic-like ac susceptibility behavior in a "partially disordered antiferromagnetic" compound, Ca${}_3$CoRhO${}_6$
• Magnetic frustration in a stoichiometric spin-chain compound, Ca${}_3$CoIrO${}_6$
• 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${}_6$
• Sr${}_3$CuIrO${}_6$, a spin-chain compound with random ferromagnetic-antiferromagnetic interactions
• Magnetic and electrical resistance behaviour of the oxides, Ca${}_{3-x}$Y${}_x$LiRuO${}_6$ (x= 0.0, 0.5 and 1.0)

Cited by in corpus (7)

• Geometrically frustrated magnetic behavior of Sr3NiRhO6 and Sr3NiPtO6
• Heat-capacity anomalies in the presence of high magnetic fields in the spin-chain compound, Ca3Co2O6
• Electronic and magnetic properties of a quasi-one-dimensional spin chain system, Sr${}_3$NiRhO${}_6$
• Magnetic behavior of the spin-chain compounds,Ca3CuIrO6 and Ca3CuRhO6
• Magnetic behavior of spin-chain compounds, Sr3ZnRhO6 and Ca3NiMnO6, from heat capacity and ac susceptibility studies
• Study of magnetic interactions in a spin liquid, Sr3NiPtO6 using density functional approach
• Stability of geometrically frustrated magnetic state of Ca3CoRhO6 to applications of positive and negative pressure