Heterometallic CuII/DyIII 1D chiral polymers: chirogenesis and exchange coupling of toroidal moments in trinuclear Dy3 single molecule magnets

Ghenadie Novitchi; Guillaume Pilet; Liviu Ungur; Victor V. Moshchalkov; Wolfgang Wernsdorfer; Liviu F. Chibotaru; Dominique Luneau; Annie K. Powell

doi:10.1039/C2SC00728B

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Heterometallic Cu^II/Dy^III 1D chiral polymers: chirogenesis and exchange coupling of toroidal moments in trinuclear Dy₃ single molecule magnets†‡

Ghenadie Novitchi,^a Guillaume Pilet,^a Liviu Ungur,^bc Victor V. Moshchalkov,^d Wolfgang Wernsdorfer,^e Liviu F. Chibotaru,*^b Dominique Luneau*^a and Annie K. Powell*^fg

Author affiliations

* Corresponding authors

^a Université Claude Bernard Lyon 1, Groupe de Cristallographie et Ingénierie Moléculaire, Laboratoire des Multimatériaux et Interfaces, Campus de la Doua, Villeurbanne cedex
E-mail: luneau@univ-lyon1.fr

^b Division of Quantum and Physical Chemistry, Katholieke Universiteit Leuven, Belgium
E-mail: Liviu.Chibotaru@chem.kuleuven.be

^c INPAC-Institute for Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Belgium

^d Division of Solid State Physics and Magnetism, Katholieke Universiteit Leuven, Belgium

^e Institut Néel, CNRS, Grenoble Cedex 9, France

^f Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, D76131 Karlsruhe, Germany
E-mail: annie.powell@kit.edu

^g Institute of Nanotechnology, Karlsruhe Institute of Technology, Postfach 3640, D76021 Karlsruhe, Germany
E-mail: annie.powell@kit.edu

Abstract

The first example of exchange coupling between the toroidal moments in chiral heterometallic Cu^II/Dy^III 1D polymers built from alternating trinuclear Dy₃ SMM-building blocks and chiral copper(II) complexes is reported. A very strong toroidal magnetization can be induced by applying a magnetic field at low temperature in single-crystals of these compounds.

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Article information

DOI: https://doi.org/10.1039/C2SC00728B
Article type: Edge Article
Submitted: 27 Sep 2011
Accepted: 25 Dec 2011
First published: 30 Jan 2012

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Chem. Sci., 2012,3, 1169-1176

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Heterometallic Cu^II/Dy^III 1D chiral polymers: chirogenesis and exchange coupling of toroidal moments in trinuclear Dy₃ single molecule magnets

G. Novitchi, G. Pilet, L. Ungur, V. V. Moshchalkov, W. Wernsdorfer, L. F. Chibotaru, D. Luneau and A. K. Powell, Chem. Sci., 2012, 3, 1169 DOI: 10.1039/C2SC00728B

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