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Syntheses, Structures and Properties of FeIII-LnIII Complexes using N-substituted Diethanolamine Ligands

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Syntheses, Structures and Properties of FeIII-LnIII Complexes using N-substituted Diethanolamine Ligands (Tienda española)

Sihuai Chen (Autor)

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In this thesis, N-substituted diethanolamine ligands have been employed in the syntheses of heterometallic FeIII-LnIII clusters. The reactions of a preformed [FeIII3O]7+ benzoate triangle, LnIII salts and the ligands in different solvents under normal or solvothermal conditions lead to several mixed FeIII-LnIII species with different topologies. Furthermore, new species stabilized under solvothermal conditions can be obtained via a solvothermal treatment of the FeIII-LnIII compounds which result from reactions conducted under normal conditions. The resulting compounds were structurally analyzed by single-crystal X-ray crystallography and X-ray powder diffraction. The magnetic properties and spectroscopic studies were investigated using magnetic susceptibility measurements and Mössbauer spectroscopy. Magnetic studies reveal that three analogous hexanuclear {FeIII4DyIII2} compounds as well as a {FeIII7DyIII4} compound display single molecule magnet behavior.

ISBN-13 (Impresion) 9783954048809
ISBN-13 (E-Book) 9783736948808
Idioma Inglés
Numero de paginas 162
Laminacion de la cubierta mate
Edicion 1. Aufl.
Lugar de publicacion Göttingen
Lugar de la disertacion Karlsruhe
Fecha de publicacion 23.12.2014
Clasificacion simple Tesis doctoral
Area Química
Química inorgánica
Palabras claves Single Molecule Magnet (SMM), Coordination Cluster, Iron, Lanthanide, Diethanolamine, Solvothermal Synthesis, Mössbauer Spectroscopy