Synthesis, structure and magnetic behaviors of a new spin-1/2 chain compound Na^sub 4^CuTeO^sub 6

Synthesis, structure and magnetic behaviors of a new spin-1/2 chain compound Na^sub 4^CuTeO^sub 6

A new tellurate compound Na4CuTeO6 was synthesized by a conventional high-temperature solid state reaction. The titled compound crystallizes in the monoclinic system of a space group C2/c and exhibits a unique spin-chain structure built by planar CuO4 squares and TeO6 octahedra along the [101] direc...

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Veröffentlicht in:Journal of alloys and compounds 2018-06, Vol.748, p.794
Hauptverfasser: He, Zhangzhen, Cui, Meiyan, Qiu, Chaoqun
Format: Artikel
Sprache:eng
Schlagworte:
Antiferromagnetism
Chains
Chemical synthesis
Copper
Crystal structure
Magnetic measurement
Magnetism
Sodium
Solid state physics
Spinning
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Zusammenfassung:A new tellurate compound Na4CuTeO6 was synthesized by a conventional high-temperature solid state reaction. The titled compound crystallizes in the monoclinic system of a space group C2/c and exhibits a unique spin-chain structure built by planar CuO4 squares and TeO6 octahedra along the [101] direction. Magnetic measurements confirm that Na4CuTeO6 possesses an antiferromagnetic ordering at TN = ∼2.5 K. The intrachain and interchain interactions are estimated by a spin-chain model, showing a less pronounced 1D character in the system.
ISSN:0925-8388
1873-4669