Triple-Kagome-Layer Slabs of Mixed-Valence Rare-Earth Ions Exhibiting Quantum Spin Liquid Behaviors: Synthesis and Characterization of Eu9MgS2B20O41
Triple-Kagome-Layer Slabs of Mixed-Valence Rare-Earth Ions Exhibiting Quantum Spin Liquid Behaviors: Synthesis and Characterization of Eu9MgS2B20O41
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表现出量子自旋液体行为的混合价稀土离子三层板：Eu9MgS2B20O41 的合成和表征
DOI：
10.1021/jacs.9b04627
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发表时间：
2019-06-19
影响因子：
15
通讯作者：
Deng, Shuiquan
中科院分区：
文献类型：
--
作者：
Chi, Yang;Xu, Jing;Deng, Shuiquan
合成了一种新的稀土化合物Eu9MgS2B20O41（EMSBO），并对其结构和物理性质进行了表征。EMSBO由三层Kagome板组成，板之间由层和组分隔开。在每一个平板内，已经发现在Eu 2+和Eu 3 + Kagome层之间发生了价间电荷转移，这是磁矩量子涨落的新通道。测得的磁化率和比热容表现出非常相似的特征，在其他材料中观察到的量子自旋液体行为的特征。
We prepared a new rare-earth compound, Eu9MgS2B20O41 (EMSBO), and characterized its structural and physical properties. EMSBO consists of tripleKagome-layer slabs separated by nonmagnetic ions and groups. Within each slab, intervalence charge transfer has been found to occur between the Eu2+ and Eu3+ Kagome layers, a new channel for quantum fluctuation of magnetic moments. The measured magnetic susceptibilities and the specific heat capacity exhibit very similar features characteristic of quantum spin liquid behaviors observed in other materials.