Strong antiferromagnetic interaction owing to a large trigonal distortion in the spin-orbit-coupled honeycomb lattice iridate CdIrO3

被引：19

作者：

Haraguchi, Yuya ^{[1
]}

Katori, Hiroko Aruga ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Dept Appl Phys & Chem Engn, Koganei, Tokyo 1848588, Japan

来源：

PHYSICAL REVIEW MATERIALS | 2020年 / 4卷 / 04期

基金：

日本学术振兴会;

关键词：

BEHAVIOR; LIQUID;

D O I：

10.1103/PhysRevMaterials.4.044401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigated the magnetic properties of the ilmenite-type iridate CdIrO3 with a honeycomb lattice formed by Ir4+ ions prepared via a solid-state metathesis. The magnetization measurements made using the powder sample reveal a large effective magnetic moment and a fairly strong antiferromagnetic interaction, indicating a deviation from the Kitaev model. Considering the relationship between magnetism and crystal structure in CdIrO3, and comparing it with the other ilmenite-type iridates ZnIrO3 and MgIrO3, we conclude that insulating CdIrO3 cannot be described as a J(eff) = 1/2 Mott state owing to a metathetically stabilized large trigonal distortion of IrO6 octahedra.

引用

页数：5

共 11 条

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