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A High‐Temperature Molecular Ferroelectric Zn/Dy Complex Exhibiting Single‐Ion‐Magnet Behavior and Lanthanide Luminescence
Authors:Dr Jérôme Long  Dr Jérôme Rouquette  Jean‐Marc Thibaud  Dr Rute A S Ferreira  Prof?Dr Luís D Carlos  Bruno Donnadieu  Veaceslav Vieru  Prof?Dr Liviu F Chibotaru  Dr Leszek Konczewicz  Dr Julien Haines  Dr Yannick Guari  Prof?Dr Joulia Larionova
Affiliation:1. Institut Charles Gerhardt Montpellier, UMR 5253 CNRS‐UM2‐ENSCM‐UM1, Equipe Ingénierie Moléculaire et Nano‐Objets, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France);2. Institut Charles Gerhardt Montpellier, UMR 5253 CNRS‐UM2‐ENSCM‐UM1, Equipe Chimie et Cristallochimie des Matériaux, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France);3. Physics Department and CICECO, University of Aveiro, 3810‐193, Aveiro (Portugal);4. Fédération de Recherche Chimie Balard,‐FR3105, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France);5. Theory of Nanomaterials Group and INPAC, Katholieke Universiteit Leuven, Celesijnenlaan, 200F, Heverlee, B‐3001 (Belgium);6. Laboratoire Charles Coulomb, UMR 5221, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 5 (France)
Abstract:Multifunctional molecular ferroelectrics are exciting materials synthesized using molecular chemistry concepts, which may combine a spontaneous electrical polarization, switched upon applying an electric field, with another physical property. A high‐temperature ferroelectric material is presented that is based on a chiral Zn2+/Dy3+ complex exhibiting Dy3+ luminescence, optical activity, and magnetism. We investigate the correlations between the electric polarization and the crystal structure as well as between the low‐temperature magnetic slow relaxation and the optical properties.
Keywords:chirality  lanthanides  luminescence  molecular ferroelectrics  single‐ion magnets
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