Magnetic Memory in an Isotopically Enriched and Magnetically Isolated Mononuclear Dysprosium Complex

Fabrice Pointillart 1 Kevin Bernot 1 Stéphane Golhen 1 Boris Le guennic 1 Thierry Guizouarn 1 Lahcène Ouahab 1 Olivier Cador 1
1 ISCR - Institut des Sciences Chimiques de Rennes
Abstract : The influence of nuclear spin on the magnetic hysteresis of a single-molecule is evidenced. Isotopically enriched DyIII complexes are synthesized and an isotopic dependence of their magnetic relaxation is observed. This approach is coupled with tuning of the molecular environment through dilution in an amorphous or an isomorphous diamagnetic matrix. The combination of these approaches leads to a dramatic enhancement of the magnetic memory of the molecule. This general recipe can be efficient for rational optimization of single-molecule magnets (SMMs), and provides an important step for their integration into moleculebased devices.
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https://hal-insa-rennes.archives-ouvertes.fr/hal-01114598
Contributor : Isabelle Morlais <>
Submitted on : Monday, February 9, 2015 - 4:15:46 PM
Last modification on : Wednesday, October 2, 2019 - 2:38:15 PM

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

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Fabrice Pointillart, Kevin Bernot, Stéphane Golhen, Boris Le guennic, Thierry Guizouarn, et al.. Magnetic Memory in an Isotopically Enriched and Magnetically Isolated Mononuclear Dysprosium Complex. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2015, 54, pp.1504 -1507. ⟨10.1002/anie.201409887⟩. ⟨hal-01114598⟩

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