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Slow Magnetic Relaxation in Chiral Helicene-Based Coordination Complex of Dysprosium

Guglielmo Fernandez-Garcia 1 Jessica Flores Gonzalez 1 Jiang-Kun Ou-Yang 1 Nidal Saleh 1 Fabrice Pointillart 1 Olivier Cador 1 Thierry Guizouarn 1 Federico Totti 2 Lahcène Ouahab 1 Jeanne Crassous 1 Boris Le Guennic 1
1 ISCR - Institut des Sciences Chimiques de Rennes
2 Department of Chemistry “Ugo Schiff”
Abstract : The complex [Dy(L)(tta)(3)] with L the chiral 3-(2-pyridyl)-4-aza[6]-helicene ligand (tta(-) = 2-thenoyltrifluoroaacetonate) has been synthesized in its racemic form and structurally and magnetically characterized. [Dy(L)(tta)(3)] behaves as a single molecule magnet in its crystalline phase with the opening of a hysteresis loop at 0.50 K. These magnetic properties were interpreted with ab initio calculations.
Keywords : single molecule magnets lanthanide helicene magnetic anisotropy ab initio calculations
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01500406
Contributor : Laurent Jonchère <>
Submitted on : Monday, April 3, 2017 - 11:15:03 AM
Last modification on : Wednesday, January 13, 2021 - 9:40:53 AM

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UNIV-RENNES1 | ISCR | CNRS | ISCR-CTI | ISCR-PRATS | UR1-UFR-SPM | ISCR-OMC-PMM | ISCR-OMC | INC-CNRS | UNIV-RENNES | INSA-GROUPE | INSA-RENNES

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Guglielmo Fernandez-Garcia, Jessica Flores Gonzalez, Jiang-Kun Ou-Yang, Nidal Saleh, Fabrice Pointillart, et al.. Slow Magnetic Relaxation in Chiral Helicene-Based Coordination Complex of Dysprosium. Magnetochemistry, MDPI, 2017, 3 (1), ⟨10.3390/magnetochemistry3010002⟩. ⟨hal-01500406⟩

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