Novel π-d interaction system (DMET)2FeCl4

被引：2
|
作者：
Enomoto, K [1 ]
Miyazaki, A [1 ]
Enoki, T [1 ]
机构：
[1] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528551, Japan
来源：
SYNTHETIC METALS | 2003年 / 135卷 / 1-3期
关键词：
organic conductors; magnetic measurements; transport measurements; magnetotransport;
D O I：
10.1016/S0379-6779(02)00742-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structure of (DMET)(2)FeCl4 is featured with an alternate stacking of quasi-1D chain-based donor sheets and magnetic Fe3+ (S=5/2) sheets. At ambient pressure, the salt shows metallic behavior down to similar to100K with the presence of a resistivity anomaly around 7K, at which the susceptibility has a broad maximum of magnetic short-range ordering in the Fe3+ magnetic sheet of d-electrons. An antiferromagnetic transition takes place at T-N=2.8K. The large Weiss temperature Theta = -11 K and the field dependent anomalies in the magnetoresistance, which indicate the presence of a strong antiferromagnetic interaction, suggest that the donor pi-electrons mediate the interlayer interaction between the Fe3+ magnetic layers.
引用
收藏
页码：561 / 562
页数：2
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