A three-dimensional ferrimagnet composed of mixed-valence Mn4 clusters linked by an {Mn[N(CN)2]6}4- unit

被引:149
|
作者
Miyasaka, H
Nakata, K
Sugiura, K
Yamashita, M
Clérac, R
机构
[1] Tokyo Metropolitan Univ, Grad Sch Sci, Dept Chem, Hachioji, Tokyo 1920397, Japan
[2] Japanese Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan
[3] CNRS, Ctr Rech Paul Pascal, UPR 8641, F-33600 Pessac, France
[4] Japanese Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan
关键词
D O I
10.1002/anie.200353093
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A ferrimagnet with a 3D molecular network (depicted) has been synthesized and characterized. The compound is composed of units of mixed-valence Mn 4 clusters, a unit that is well known for its single-molecule magnet properties, and MnII paramagnetic units. Both building blocks are linked by a dicyanamide bridging ligand to form a covalently bonded three-dimensional network. The compound becomes a ferrimagnet at 4.1 K that exhibits a spin-flip phenomenon under the influence of a magnetic field.
引用
收藏
页码:707 / 711
页数:5
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