Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 58, Pages 6549-6551Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc43200a
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Funding
- NSFC [91122032, 90922009, 21121061]
- 973 Project [2012CB821704]
- Spanish Ministerio de Economia y Competitividad [CTQ2011-23862-C02-01]
- regional Generalitat de Catalunya authority [2009SGR-1459]
- Spanish Ministerio de Educacion, Cultura y Deporte ans Conicyt (Chile)
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Two 3d-4f nanomagnets, [(Dy2Cu7II)-Cu-III] (1) and [(Gd6Cu12II)-Cu-III] (2), are synthesized under a two-step in situ reaction of picolinaldehyde. Not only the final adduct (hemiacetal), but also the intermediate (gem-diol) are visualized'' by X-ray single crystal diffraction. The Dy complex behaves as a single-molecule magnet, while the Gd complex exhibits a significant magnetocaloric effect. Theoretical calculations are employed to obtain the orientation of the magnetic moments and the magnetic exchange.
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