Iron Polyoxometalate Single-Molecule Magnets

被引：191

作者：

Compain, Jean-Daniel ^{[1
]}

Mialane, Pierre ^{[1
]}

Dolbecq, Anne ^{[1
]}

Mbomekalle, Israel Martyr ^{[1
]}

Marrot, Jerome ^{[1
]}

Secheresse, Francis ^{[1
]}

Riviere, Eric ^{[2
]}

Rogez, Guillaume ^{[3
]}

Wernsdorfer, Wolfgang ^{[4
,5
]}

机构：

[1] Univ Versailles St Quentin, Inst Lavoisier Versailles, UMR 8180, F-78035 Versailles, France

[2] Univ Paris 11, Equipe Chim Inorgan, Inst Chim Mol & Met Orsay, UMR 8182, F-91405 Orsay, France

[3] Univ Strasbourg, CNRS, IPCMS, UMR 7504, F-67070 Strasbourg, France

[4] Univ Grenoble 1, Grenoble 9, France

[5] CNRS, Inst Neel, Grenoble 9, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2009年 / 48卷 / 17期

关键词：

electrochemistry; iron; polyoxometalates; single-molecule magnets; FE-III; COBALT(II) CLUSTER; CU-II; MAGNETIZATION; TUNGSTOPHOSPHATE; CHEMISTRY; COMPLEX; SALTS;

D O I：

10.1002/anie.200900117

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Iron sandwich on a tungstate bun: Two new polyoxotungstates with paramagnetic iron(III) heteroatoms (see structure, W blue, Fe yellow, O red) possess S=15/2 and S=5 ground states. Both compounds are single-molecule magnets, and the hexairon species shows large hysteresis (see picture) and quantum tunneling effects at low temperature. Electrochemical studies indicate that these species are stable in solution for a wide range of pH values. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：3077 / 3081

页数：5

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