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6 results on '"Joulia Larionova"'

1. Dysprosium Single-Molecule Magnets with Bulky Schiff Base Ligands: Modification of the Slow Relaxation of the Magnetization by Substituent Change

Author

Liviu F. Chibotaru, Ekaterina Mamontova, Yannick Guari, Anton V. Cherkasov, Konstantin A. Lyssenko, Jérôme Long, Natalia V. Forosenko, Alexander A. Trifonov, Joulia Larionova, Marko Damjanović, Ivan V. Basalov, Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM), Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC), G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences [Moscow] (RAS), A. N. Nesmeyanov Institute of Organoelement Compounds (INEOS), Institute for Nanoscale Physics and Chemistry (INPAC), Université Catholique de Louvain = Catholic University of Louvain (UCL), Chimie moléculaire et organisation du solide (CMOS), and Université Montpellier 2 - Sciences et Techniques (UM2)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Lanthanide, Schiff base, 010405 organic chemistry, Organic Chemistry, Relaxation (NMR), Substituent, chemistry.chemical_element, General Chemistry, 010402 general chemistry, 01 natural sciences, Catalysis, 0104 chemical sciences, 3. Good health, chemistry.chemical_compound, Magnetization, Crystallography, chemistry, Dysprosium, Molecule, [CHIM.COOR]Chemical Sciences/Coordination chemistry, Bifunctional
Abstract

International audience; We report the synthesis, magnetic and photoluminescence investigations of two bifunctional dysprosium complexes based on tridentate Schiff base ligands. Magnetic investigations reveal a genuine Single-Molecule Magnet (SMM) behavior with out-of-phase signals up to 60 K, and the tunable emission arising from the Schiff base ligands.

Published
2018
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2. Engineered Au Core@Prussian Blue Analogous Shell Nanoheterostructures: Their Magnetic and Optical Properties

Author

Clarence Charnay, Yannick Guari, Marc Georg Willinger, Maria A. Palacios, Jérôme Long, Guillaume Maurin-Pasturel, Christian Guérin, Joulia Larionova, Alexander A. Trifonov, Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM), Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC), Department of Inorganic Chemistry [Berlin], Fritz-Haber-Institut der Max-Planck-Gesellschaft (FHI), Max Planck Society-Max Planck Society, Russian Acad Sci, GA Razunaev Inst Organomet Chem, and Russian Academy of Sciences [Moscow] (RAS)

Subjects
Prussian blue, Transition temperature, Nuclear Theory, Organic Chemistry, Shell (structure), Heterojunction, 02 engineering and technology, General Chemistry, Coercivity, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Catalysis, 0104 chemical sciences, Core (optical fiber), Crystallography, chemistry.chemical_compound, chemistry, Colloidal gold, Physics::Atomic and Molecular Clusters, [CHIM.COOR]Chemical Sciences/Coordination chemistry, Surface plasmon resonance, 0210 nano-technology, ComputingMilieux_MISCELLANEOUS
Abstract

We report a new approach for the synthesis of multifunctional Au core@Prussian Blue analogous (PBA) shell nanoheterostructures that involves PBA shell growth on the surface of cyanide-stabilized gold nanoparticles. It permits the assembly of Au@KNiII[FeII(CN)6] core@shell and Au@KNiII[FeII(CN)6]@KNiII[CrIII(CN)6] core@shell@shell heterostructures with well-defined and size-controlled gold cores and PBA shells. These heterostructures exhibit tunable size- and shape-dependent magnetic and optical properties: (i) the surface plasmon resonance band position and intensity mainly depend on the PBA shell thickness, and (ii) the magnetic properties (the transition temperature, the coercivity, and magnetic regime) depend in a complex manner on the thickness as well as the particular morphology of the magnetic shell.

Published
2017
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3. Front Cover: New Luminescent Tetranuclear Lanthanide‐Based Silsesquioxane Cage‐Like Architectures (Chem. Eur. J. 70/2020)

Author

Joulia Larionova, Yannick Guari, Elena S. Shubina, Alena N. Kulakova, Gautier Félix, Victor N. Khrustalev, Jérôme Long, Alexey N. Bilyachenko, Mikhail M. Levitsky, and Ekaterina Mamontova

Subjects
Lanthanide, Organic Chemistry, chemistry.chemical_element, Terbium, General Chemistry, Catalysis, Silsesquioxane, chemistry.chemical_compound, Front cover, chemistry, Polymer chemistry, Europium, Luminescence, Cage
Published
2020
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4. Inside Cover: Engineered Au Core@Prussian Blue Analogous Shell Nanoheterostructures: Their Magnetic and Optical Properties (Chem. Eur. J. 31/2017)

Author

Yannick Guari, Clarence Charnay, Marc Georg Willinger, Jérôme Long, Guillaume Maurin-Pasturel, Alexander A. Trifonov, Christian Guérin, Maria A. Palacios, and Joulia Larionova

Subjects
Prussian blue, 010405 organic chemistry, Chemistry, Organic Chemistry, Shell (structure), Nanotechnology, General Chemistry, 010402 general chemistry, 01 natural sciences, Catalysis, 0104 chemical sciences, Core (optical fiber), chemistry.chemical_compound, Crystallography, Cover (algebra)
Published
2017
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5. Molecular Magnetic Sponges

Author

Joulia Larionova, Olivier Kahn, and J. V. Yakhmi

Subjects
Nuclear magnetic resonance, Ferromagnetism, Chemical engineering, Chemistry, Magnet, Organic Chemistry, Molecule, General Chemistry, equipment and supplies, Ground state, human activities, Catalysis
Abstract

Reversible release or reabsorption of water like sponges, a process which is accompanied by a dramatic change of structure and magnetic properties, can be achieved by some molecular magnetic materials. When the sponges are hydrated, or wet, the structure consists of isolated units with a nonmagnetic ground state. When the sponges are dehydrated, or dry, the units are linked to each other, affording polymeric molecule-based magnets (see picture).

Published
1999
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