Spin order in the Heisenberg kagome antiferromagnet MgFe3(OH)6Cl2
Spin order in the Heisenberg kagome antiferromagnet MgFe3(OH)6Cl2
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海森堡戈薇反铁磁体 MgFe3(OH)6Cl2 中的自旋顺序
DOI：
10.1103/physrevb.96.144111
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发表时间：
2017
影响因子：
3.7
通讯作者：
T. Kawae
中科院分区：
文献类型：
--
作者：
M. Fujihala;*X. G. Zheng;S. Lee;T. Kamiyama;A. Matsuo;K. Kindo;T. Kawae
kagome晶格上的自旋行为由于其奇异的磁态而受到越来越多的关注。在这里，我们报道了kagome反铁磁体的磁有序。该化合物是通过选择性地用非磁性镁取代变形焦绿母化合物三角形面上的磁性离子合成的。而显示出反铁磁顺序和持续的自旋涨落，显示出9.9 K增强值下的反铁磁跃迁。磁化率、高场磁化和中子衍射研究表明，这是一个类海森堡自旋系统，其最近邻自旋结构限制在kagome平面内，自旋矢量手性为以下。μ子自旋-旋转/弛豫研究表明，相对于。本文报道了ankagome反铁磁体的实验实现，强调了一个具有准经典海森堡自旋的真实系统，这也可能是量子海森堡- kagome反铁磁体的一个有价值的参考系统。
Spin behaviors on kagome lattices have received increased attention because of their exotic magnetic states. Here, we report magnetic ordering in thekagome antiferromagnet. The compound has been synthesized by selectively replacing the magnetic ions in the triangular planes of its parent compound of deformed pyrochlorewith nonmagnetic Mg. Whereasshowed antiferromagnetic order belowwith persistent spin fluctuations,showed an antiferromagnetic transition at an enhancedvalue of 9.9 K. Susceptibility, high-field magnetization, and neutron-diffraction studies suggest thatis a Heisenberg-like spin system with anearest-neighbor spin structure confined in the kagome plane and spin-vector chirality ofbelow. Muon spin-rotation/-relaxation studies demonstrate that the persisting spin fluctuations are suppressed relative to. The present paper reports the experimental realization of ankagome antiferromagnet, highlighting a real system with a quasiclassical Heisenberg spin, which may also be a valuable reference system for quantum Heisenberg kagome antiferromagnets.