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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lacroix, Pascal G.
Délégation Régionale Occitanie Pyrénées
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2023Acetylacetonate Ruthenium Nitrosyls: A Gateway to Nitric Oxide Release in Water Under Near-Infrared Excitation by Two-Photon Absorptioncitations
- 2017Replacing two chlorido ligands by a bipyridine ligand in ruthenium nitrosyl complexes with NO-release capabilities: A comparative studycitations
- 2011Highly efficient photorefractive polymers doped with cyano nonlinear chromophores
- 2004Synthesis, Structures, and Physical Properties of Copper(II)−Gadolinium(III) Complexes Combining Ferromagnetic Coupling and Quadratic Nonlinear Optical Propertiescitations
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article
Synthesis, Structures, and Physical Properties of Copper(II)−Gadolinium(III) Complexes Combining Ferromagnetic Coupling and Quadratic Nonlinear Optical Properties
Abstract
Two copper(II)−gadolinium(III) metal complexes of formula CuIIGdIIILX3 are reported. H2L stands for the Schiff base ligand obtained by condensation of 3,4-dimethoxysalicylaldehyde with ethylenediamine (complex 1) or 1R,2R-(+)-1,2-diphenylethylenediamine (complex 2). While 1 reveals a centrosymmetric crystal structure, 2 crystallizes in the noncentrosymmetric P212121 space group and exhibits an efficiency 0.3 time that of urea in second harmonic generation. Due to a trend for dissociation in solution, the molecular hyperpolarizabilities (β) cannot be determined experimentally for 1 and 2. Nevertheless, the electric field induced second harmonic (EFISH) technique, in connection with spectroscopic data and a ZINDO semiempirical approach, leads to a β value of −6.5 × 10-30 cm5 esu-1, for the related CuIIL monomers, as an indicative range of magnitude in all these Schiff base complexes. In addition, 1 and 2 exhibit a ferromagnetic coupling in solid state with J = 3.3 and 1.3 cm-1, respectively (J being the parameter of the exchange Hamiltonian Ĥ = −JSCu·SGd).