Organophosphonate-Bridged Polyoxometalate-Based Dysprosium(III) Single-Molecule Magnet

被引：38
作者：
Huo, Yu [1 ,2 ]
Wan, Rong [1 ]
Ma, Pengtao [1 ]
Liu, Junliang [2 ]
Chen, Yancong [2 ]
Li, Dandan [1 ]
Niu, Jingyang [1 ]
Wang, Jingping [1 ]
Tong, Ming-Liang [2 ]
机构：
[1] Henan Univ, Coll Chem & Chem Engn, Inst Mol & Crystal Engn, Henan Key Lab Polyoxometalate Chem, Kaifeng 475004, Peoples R China
[2] Sun Yat Sen Univ, Minist Educ, Sch Chem, Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China
来源：
INORGANIC CHEMISTRY | 2017年 / 56卷 / 21期
关键词：
BOND-VALENCE PARAMETERS; ION MAGNET; REVERSAL BARRIER; SYMMETRY; ANISOTROPY; BLOCKING; CLUSTERS; DY(III); FIELD; LUMINESCENCE;
D O I：
10.1021/acs.inorgchem.7b02251
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A novel dysprosium(III)-containing olytungstoarsenate, [{As-W9O33)(3)Dy-2(H2O)(4)W4O9(H2O)}(2)(NH2(CH2PO3)(2))](33-), comprising two identical subunits bridged by an organophosphonate ligand shows single-molecule-magnet (SMM) behavior. Magnetic studies reveal that this complex exhibits a butterfly-shaped hysteresis loop up to 8 K, and a thermally activated energy barrier of 101(5) K reached a breakthrough among all polyoxometalate-supported SMMs.
引用
收藏
页码：12687 / 12691
页数：5
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