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Potentials for calcium and strontium and their application to solids and clustersHearn, Jason Elyot January 1996 (has links)
No description available.
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Magnetic contributions to low temperature heat capacity in rare-earth intermetallicsWhitehurst, G. A. January 1984 (has links)
No description available.
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Magnetic resonance measurements in some zircon-structure compoundsPfeffer, James January 1995 (has links)
No description available.
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The effect of cerium and other rare earths on the nodule count, nodularity, nodule size and the matrix of the ductile ironAmin, Amar S., January 1977 (has links)
Thesis--Wisconsin. / Includes bibliographical references (leaves 76-77).
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Luminescence spectroscopy of natural and synthetic REE-bearing minerals /Friis, Henrik. January 2009 (has links)
Thesis (Ph.D.) - University of St Andrews, April 2009. / Restricted until 20th April 2010.
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Compostos de adicao dos percloratos de elementos lantanidicos e de itrio com a N, N, N', N', tetrametilamida do acido ftalico (TMAF)SILVA, CONSTANCIA P.G. da 09 October 2014 (has links)
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00618.pdf: 1570584 bytes, checksum: 5629fbad13048030f32991bd56f64a58 (MD5) / Tese (Doutoramento) / IEA/T / Instituto de Quimica, Universidade de Sao Paulo - IQ/USP
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Uso da dialise no fracionamento de terras rarasFERREIRA, JOAO C. 09 October 2014 (has links)
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09625.pdf: 6160972 bytes, checksum: 2ae10c10ff511fd097547d0090886d18 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Compostos de adicao dos percloratos de elementos lantanidicos e de itrio com a N, N, N', N', tetrametilamida do acido ftalico (TMAF)SILVA, CONSTANCIA P.G. da 09 October 2014 (has links)
Made available in DSpace on 2014-10-09T12:23:21Z (GMT). No. of bitstreams: 0 / Made available in DSpace on 2014-10-09T13:56:06Z (GMT). No. of bitstreams: 1
00618.pdf: 1570584 bytes, checksum: 5629fbad13048030f32991bd56f64a58 (MD5) / Tese (Doutoramento) / IEA/T / Instituto de Quimica, Universidade de Sao Paulo - IQ/USP
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Uso da dialise no fracionamento de terras rarasFERREIRA, JOAO C. 09 October 2014 (has links)
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09625.pdf: 6160972 bytes, checksum: 2ae10c10ff511fd097547d0090886d18 (MD5) / Dissertacao (Mestrado) / IPEN/D / Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Synthesis, crystal structures and molecular modelling of rare earth complexes with bis(2-pyridylmethyl)amine: aim topological analysis and ligand conformation searchMatthews, Cameron January 2017 (has links)
Eight rare earth complexes with bis(2-pyridylmethyl)amine (DPA) were synthesised and recrystallised, under air-sensitive or low moisture conditions. The crystal structures were successfully determined, via SC-XRD, and the asymmetric units of five complexes (1, 3, 5, 6 and 7) were submitted for DFT molecular modelling calculations, which involved geometry optimisation and frequency calculations. The neutral complexes obtained were bis(bis(2-pyridylmethyl)amine)-trichloro-lanthanum(III) [LaCl3(DPA)2] (1), bis(bis(2-pyridylmethyl)amine)-trichloro-cerium(III)) [CeCl3(DPA)2] (2), bis(μ2-chloro)-diaqua-tetrachloro-bis(bis(2-pyridylmethyl)amine)-di-praseodymium(III) [PrCl2(μ-Cl)(DPA)(OH2)]2 (3) and bis(μ2-methoxo)-bis(bis(2-pyridylmethyl)amine)- tetrachloro-di-dysprosium(III) [DyCl2(μ-OCH3)(DPA)]2 (4). The cationic complexes obtained in this study were dichloro-bis(bis(2-pyridylmethyl)amine)- neodymium(III) chloride methanol solvate [NdCl2(DPA)2]Cl·CH3OH (5), dichloro-bis(bis(2- pyridylmethyl)amine)-dysprosium(III) chloride methanol solvate [DyCl2(DPA)2]Cl·CH3OH (6), dichloro-bis(bis(2-pyridylmethyl)amine)-yttrium(III) chloride methanol solvate [YCl2(DPA)2]Cl·CH3OH (7) and dichloro-bis(bis(2-pyridylmethyl)amine)-lutetium(III) chloride methanol solvate [LuCl2(DPA)2]Cl·CH3OH (8). The ‘Quantum theory of atoms in molecules’ approach was used to investigate the electron density topology, primarily in order to investigate the hydrogen and coordination bonds for three of the eight complexes. Two of the neutral complexes contain the ‘early’ rare earth elements lanthanum and praseodymium and one cationic complex contains the ‘late’ lanthanide element dysprosium. Noncovalent interaction analysis was also performed on the aforementioned complexes in order to gain a deeper understanding of the intra-molecular stereo-electronic interactions. Spin density analysis was used to investigate the distribution of unpaired electron density at and around the metal centres of the aforementioned paramagnetic Pr- and Dy-complexes. A ligand conformation search for DPA was undertaken and 32 low energy conformers were identified and their relative energies were determined using two DFT functionals, namely M06 and M06-2X.
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