Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 43, Pages 11567-11570Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201407628
Keywords
radical ions; single-chain magnets; TCNQ radicals; X-ray diffraction; - stacking interactions
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Funding
- China Scholarship Council [201206895004]
- National Natural Science Foundation of China [21171115]
- Department of Energy, Basic Energy Sciences Division [DE-FG02-02ER45999]
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The self-assembly of organic TCNQF(.-) radicals (2-fluoro-7,7,8,8-tetracyano-p-quinodimethane) and the anisotropic [Tb(valpn)Cu](3+) dinuclear cations produced a single-chain magnet (SCM) involving stacking interactions of TCNQF(.-) radicals (H(2)valpn is the Schiff base from the condensation of o-vanillin with 1,3-diaminopropane). Static and dynamic magnetic characterizations reveal that the effective energy barrier for the reversal of the magnetization in this hetero-tri-spin SCM is significantly larger than the barrier of the isolated single-molecule magnet based on the {TbCu} dinuclear core.
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