On the mesomorphism of lanthanum (III) alkanoates |
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| Authors: | Koen Binnemans Benoit Heinrich Daniel Guillon Duncan W Bruce |
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| Institution: | 1. K.U. Leuven, Department of Chemistry, Coordination Chemistry Division, Celestijnenlaan 200F, B-3001 Heverlee (Leuven), BelgiumKoen.Binnemans@chem.kuleuven.ac.be;3. Institut de Physique et Chimie des Matériaux de Strasbourg, Groupe des Matériaux Organiques, 23 rue du Loess, F-67037 Strasbourg Cedex, France;4. School of Chemistry, University of Exeter, Stocker Road, Exeter EX4 4QD, England |
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| Abstract: | The mesophase behaviour of lanthanum(III) tetradecanoate, La(C13H27COO)3, (lanthanum myristate) has been studied by polarizing optical microscopy, differential scanning calorimetry and high temperature X-ray diffraction. This metallomesogen forms an ordered lamellar solid which melts to a smectic A mesophase (SmA). Structural details of the different phases are discussed. The higher homologues of the lanthanum(III) soaps were found to have a similar mesophase behaviour. |
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