title: Cinnamic acid derivative rare-earth dinuclear complexes and one-dimensional architectures: synthesis, characterization and magnetic properties.
abstract: Discrete and extended architectures based on the association of lanthanide ions with two derivatives of cinnamic acid (2-methoxycinnamic acid and 3-methoxycinnamic acid) have been synthesized and characterized by IR spectroscopy, elemental analyses, X-ray diffraction and magnetic measurements. The use of the 2-methoxycinnamic ligand enables the synthesis of a series of dinuclear complexes (Ce3+(1), Nd3+(2), Gd3+(3), Dy3+(4)), while the presence of 3-methoxycinnamic acid induces the formation of one-dimensional coordination polymers (Ce3+(5), Nd3+(6), Dy3+(7)). Investigations of the magnetic properties of the complexes reveal that they all exhibit field-induced slow relaxation of the magnetisation, mainly induced by Raman and direct relaxation processes.
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université frères Mentouri Constantine, Route Aïn elbey, 25000 Constantine, Algeria. a_beghidja@yahoo.fr.
authors.forename: Ouafa
authors.initials: O
authors.lastname: Khalfaoui
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université frères Mentouri Constantine, Route Aïn elbey, 25000 Constantine, Algeria. a_beghidja@yahoo.fr.
authors.forename: Adel
authors.initials: A
authors.lastname: Beghidja
authors.affiliation: Institut Charles Gerhardt Montpellier, UMR 5253, Ingénierie Moléculaire et Nano-Objets, Université de Montpellier, ENSCM, CNRS, Place E. Bataillon, 34095 Montpellier Cedex 5, France. jerome.long@umontpellier.fr.
authors.forename: Jérôme
authors.identifier: http://orcid.org/0000-0002-2601-4289
authors.initials: J
authors.lastname: Long
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université frères Mentouri Constantine, Route Aïn elbey, 25000 Constantine, Algeria. a_beghidja@yahoo.fr.
authors.forename: Ahlem
authors.initials: A
authors.lastname: Boussadia
authors.affiliation: Unité de Recherche de Chimie de l'Environnement et Moléculaire Structurale (CHEMS), Université frères Mentouri Constantine, Route Aïn elbey, 25000 Constantine, Algeria. a_beghidja@yahoo.fr.
authors.forename: Chahrazed
authors.initials: C
authors.lastname: Beghidja
authors.affiliation: Institut Charles Gerhardt Montpellier, UMR 5253, Ingénierie Moléculaire et Nano-Objets, Université de Montpellier, ENSCM, CNRS, Place E. Bataillon, 34095 Montpellier Cedex 5, France. jerome.long@umontpellier.fr.
authors.forename: Yannick
authors.initials: Y
authors.lastname: Guari
authors.affiliation: Institut Charles Gerhardt Montpellier, UMR 5253, Ingénierie Moléculaire et Nano-Objets, Université de Montpellier, ENSCM, CNRS, Place E. Bataillon, 34095 Montpellier Cedex 5, France. jerome.long@umontpellier.fr.
authors.forename: Joulia
authors.initials: J
authors.lastname: Larionova
mesh_terms: D060326:Chemistry Techniques, Synthetic; D002934:Cinnamates / Q000737:chemistry*; D028581:Lanthanoid Series Elements / Q000737:chemistry*; D060328:Magnetic Phenomena; D008958:Models, Molecular; D008968:Molecular Conformation; D009942:Organometallic Compounds / Q000138:chemical synthesis* / Q000737:chemistry*
chemical_list: D002934:Cinnamates; D028581:Lanthanoid Series Elements; D009942:Organometallic Compounds; C029010:cinnamic acid