Sr3NiRhO6 and Sr3CuRhO6—Two New One-Dimensional Oxides. Magnetic Behavior as a Function of Structure: Commensurate vs Incommensurate

Magnetic anomalies in the spin-chain compoundSr3CuRhO6: Griffiths-phase-like behavior of magnetic susceptibility

“…The lattice parameters (a= 9.225(3) Å, b= 9.688(3) Å, c= 6.693(3) Å, and β= 92.46º) are found to be in excellent agreement with those reported in Ref. 1. The magnetic susceptibility (χ) measurements in the temperature interval 2-300 K in the presence of several dc magnetic fields (H=2, 20, 50 and100 Oe, 1, 5 and 10 kOe) and isothermal magnetization (M) measurements at several temperatures were performed with a commercial superconducting quantum interference device (SQUID) (Quantum Design, USA).…”

“…1 for details). In this article, we present the results of our investigations on Sr 3 CuRhO 6 , particularly considering that a previous preliminary report based on dc magnetization studies [1] claimed that this compound is ferromagnetic below (T C = ) 12 K.…”

“…The spin-chain compounds of the type, (Sr,Ca) 3 MXO 6 (M, X= transition metal ions), with M-X magnetic chains running along c-axis separated by Sr (Ca) ions, derived from K 4 CdCl 6 -type rhombohedral structure (space group c R3 ) have attracted considerable interest in recent years [1][2][3]. MO 6 (distorted) trigonal prism and XO 6 (distorted) octahedra share a face.…”

Crystal growth, structure determination and magnetism of a new m=3, n=1 member of the A3n+3mA′nB3m+nO9m+6n family of oxides: 12R-Ba12Rh9.25Ir1.75O33

“…Numerous examples of the n ¼ 1; m ¼ 0 (x ¼ 1=2) member of the 2H-perovskite related family have been synthesized including Sr 4 PtO 6 [11], Sr 3 NaSbO 6 [15], Ca 3 NiMnO 6 [16], Sr 3 NiPtO 6 [17], Ca 3 NiIrO 6 [18], Ca 3 CuRhO 6 [3], Sr 3 ScNiO 6 [19], Sr 3 NiPbO 6 [20], Sr 3 NiRhO 6 [21], and Ca 3 CuIrO 6 [22]. In addition, an ever increasing number of examples of other structures, including Sr 6 Rh 5 O 15 (n ¼ 1; m ¼ 1) [23,24], Ba 8 CoRh 6 O 21 (n ¼ 3; m ¼ 5) [25], Ba 9 Rh 8 O 24 (n ¼ 1; m ¼ 2) [26], Sr 4 CuIr 2 O 9 (n ¼ 3; m ¼ 1) [27], and Ba 5 PdMn 3 O 12 (n ¼ 3; m ¼ 2) [28] have been prepared as both powders and in single-crystal form.…”

Electronic and magnetic properties of a quasi-one-dimensional spin chain systemSr3NiRhO6

“…; M and MЈ are transition metals͒, possessing rhombohedral K 4 CdCl 6 structure ͑space-group R3C͒ have attracted a great deal of attention due to their fascinating magnetic properties. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] In this structure ͑see Fig. 1͒, MO 6 forms in trigonal prismatic geometry and MЈO 6 forms in octahedral geometry.…”