Magnetic and resonance properties of LiCu2O2 single crystals
Magnetic and resonance properties of LiCu2O2 single crystals
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LiCu2O2单晶的磁和共振特性
DOI：
10.1134/1.558548
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发表时间：
1998
影响因子：
1.1
通讯作者：
H. Szymczak
中科院分区：
文献类型：
--
作者：
A. Vorotynov;A. Pankrats;G. Petrakovskii;K. Sablina;W. Paszkowicz;H. Szymczak
我们研究了自发结晶法生长的LiCu2O2单晶的结构、磁学和共振性质。这些数据是基于生长的单晶的晶体结构是正交的假设来解释的。当温度低于22.5K时，长程反铁磁有序开始出现，而在此温度以上，磁化率的依赖关系具有反铁磁海森堡链相互作用的形状特征。我们假设，由于铜和锂离子在晶格位置的部分重新分布以及晶体结构中其他缺陷的存在，破坏了LiCu2O2的理想梯形结构，从而使长程磁序设置在22.5K以下。
We study the structural, magnetic, and resonance properties of LiCu2O2single crystals grown by the spontaneous crystallization method. The data are interpreted on the assumption that the crystalline structure of the grown single crystals is orthorhombic. Long-range antiferromagnetic order sets in at temperatures below 22.5 K, while above this temperature the dependence of the magnetic susceptibility has a shape characteristic of interacting antiferromagnetic Heisenberg chains. We hypothesize that long-range magnetic order sets in below 22.5 K through the destruction of the ideal ladder structure of LiCu2O2because of partial redistribution of copper and lithium ions at the crystal lattice sites and because of the presence of other defects in the crystalline structure.