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dc.contributor.supervisor Kroeker, Scott (Chemistry) en
dc.contributor.author Aguiar, Pedro Miguel
dc.date.accessioned 2007-09-14T17:08:17Z
dc.date.available 2007-09-14T17:08:17Z
dc.date.issued 2007-09-14T17:08:17Z
dc.identifier.citation P.M. Aguiar, S. Kroeker, “Boron Speciation and Non-bridging Oxygens in High-Alkali Borate Glasses”. Journal of Non-Crystalline Solids, 353, 2007, 1834-1839 en
dc.identifier.citation M.J. Katz, P.M. Aguiar, R.J. Batchelor, A.A. Bokov, Z-G Ye, S. Kroeker, D.B. Leznoff. “Structure and Multinuclear Solid-State NMR of a Highly Birefringent Lead-Gold Cyanide Coordination Polymer”. Journal of the American Chemical Society, 128(11), 2006, 3669–3676 en
dc.identifier.citation L. Ouyang, P.M. Aguiar, R.J. Batchelor, S. Kroeker, D.B. Leznoff. “Preparation, Structure and Solid-State NMR Characterization of a Paramagnetic CuI/CuII/ZnII Coordination Polymer with Multiple CN-Binding Modes”. Chemical Communications, (7), 2006, 744-746 en
dc.identifier.citation S. Kroeker, P.M. Aguiar, A. Cerquiera, J. Okoro, W. Clarida, J. Doerr, M. Olesiuk, G. Ongie, M. Affatigato and S.A. Feller. “Alkali Dependence of Tetrahedral Boron in Alkali Borate Glasses”. Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B, 47(4), 2006, 393-396 en
dc.identifier.citation P.M. Aguiar, S. Kroeker, “Medium-Range Order in Cesium Borate Glasses Probed by Double-Resonance NMR”. Solid-State Nuclear Magnetic Resonance, 27, 2005, 10-15 en
dc.identifier.citation N.D. Draper, R.J. Batchelor, P.M. Aguiar, S. Kroeker, D.B. Leznoff. “Factors Affecting the Solid-State Structure and Dimensionality of Mercury Cyanide/Chloride Double Salts, and NMR Characterization of Coordination”. Inorganic Chemistry, 43, 2004, 6557-6567 en
dc.identifier.uri http://hdl.handle.net/1993/2823
dc.description.abstract The local information provided by nuclear magnetic resonance (NMR) makes it an ideal method for the structural investigations of materials lacking extended long-range ordering. This work focuses on investigations of two types of materials possessing very different types of disorder. The first section involves investigations of alkali borate glasses and the application of solid-state NMR techniques to probe short- and medium-range ordering in such glasses. Differences between the various alkali borates over a wide compositional range are probed using one and two-dimensional techniques. The use of double-resonance dipolar recoupling techniques to investigate cesium-boron distances is investigated. The second section probes a series of transition-metal cyanide coordination polymers. The bidentate nature of the cyanide ligand allows for the possibility of forming numerous isomers. Information about the isomer(s) present is gained via the various NMR parameters available, such as the chemical shifts, shift anisotropies and J-couplings. This is then extended to the characterization of paramagnetic transition-metal cyanides, where strong electron-nuclear interactions are shown to significantly increase spin-lattice relaxation rates allowing the acquisition of spectra without the need of typically employed enhancement techniques, yet often yielding spectra of better quality. Variable-temperature experiments allow a measure of the electron-nuclear interaction, which can be related to spatial proximity, and provide “diamagnetic” chemical shifts allowing comparison with other cyanides. J-couplings and chemical shift anisotropies are shown to be applicable in much the same fashion as with diamagnetic systems. en
dc.format.extent 21637112 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.rights info:eu-repo/semantics/openAccess
dc.subject Solid-State NMR en
dc.subject Glasses en
dc.subject Cyanides en
dc.subject MQMAS en
dc.subject Nuclear Waste en
dc.subject Magic-angle spinning en
dc.title Multinuclear magnetic resonance investigations of structure and order in borates and metal cyanides en
dc.type info:eu-repo/semantics/doctoralThesis
dc.type doctoral thesis en_US
dc.degree.discipline Chemistry en
dc.contributor.examiningcommittee Ratcliffe, Christopher (Steacie Institute for Molecular Science, National Research Council) Hawthorne, Frank (Geological Sciences) Freund, Michael (Chemistry) O'Neil, Joseph (Chemistry) en
dc.degree.level Doctor of Philosophy (Ph.D.) en
dc.description.note October 2007 en


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