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Theses

Structure Determination in Ordered and Disordered Solids by High-Resolution NMR Spectroscopy

Abstract : Nuclear Magnetic Resonance is a potential powerful probe of structure and dynamics for a large range of materials in the solid-state. In this thesis, we show how powder samples at natural isotopic abundance can be assigned to crystal structures by using high-resolution proton and carbon-13 solid-state NMR spectra in combination with first principles calculations. Similarly, the determination of the three-dimensional structure of an organic compound in powder form and at natural isotopic abundance is presented. It is obtained by an approach that combines molecular modeling with experimental spin diffusion data of protons. Finally, temperature dependent 29Si NMR studies of the order and disorder in silicate framework materials are presented. Notably, we introduce and demonstrate the idea that Silicon-29 NMR transverse dephasing times can be used to probe dynamic processes independently of static disorder.
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https://tel.archives-ouvertes.fr/tel-00175539
Contributor : Nicolas Mifsud <>
Submitted on : Friday, September 28, 2007 - 3:14:29 PM
Last modification on : Wednesday, November 20, 2019 - 3:23:18 AM
Long-term archiving on: : Friday, April 9, 2010 - 3:05:46 AM

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  • HAL Id : tel-00175539, version 1

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Nicolas Mifsud. Structure Determination in Ordered and Disordered Solids by High-Resolution NMR Spectroscopy. Other. Ecole normale supérieure de lyon - ENS LYON, 2007. English. ⟨tel-00175539⟩

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