Supramolecular lanthanide metallogrids exhibiting field-induced single-ion magnetic behavior

A supramolecular strategy has been applied to construct two tetranuclear lanthanide complexes for investigating the magnetic properties of individual lanthanide ions. The Ln(III) complexes (Ln = Dy, Tb) display field-induced slow magnetization relaxation, typical of single-molecule magnet behavior....

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 42; no. 13; pp. 4369 - 4372
Main Authors Wu, Shu-Qi, Xie, Qi-Wei, An, Guang-Yu, Chen, Xi, Liu, Cai-Ming, Cui, Ai-Li, Kou, Hui-Zhong
Format Journal Article
LanguageEnglish
Published England 07.04.2013
Subjects
Aggregates
Construction
Dysprosium
Lanthanides
Magnetic properties
Magnetization
SIM
Strategy
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Summary:A supramolecular strategy has been applied to construct two tetranuclear lanthanide complexes for investigating the magnetic properties of individual lanthanide ions. The Ln(III) complexes (Ln = Dy, Tb) display field-induced slow magnetization relaxation, typical of single-molecule magnet behavior. The four lanthanide ions in the molecules are well separated by distances of ca. 9 Å, and thus the slow magnetization relaxation should be assigned to single-ion magnet (SIM) behavior. Therefore, the present complexes are novel supramolecular aggregates of four isolated SIMs.
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ISSN:1477-9226
1477-9234
DOI:10.1039/c3dt50265a