Quadrupolar metal NMR of oxide materials including catalysts

DOIResolve DOI: http://doi.org/10.1002/9780470034590.emrstm1224
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TypeBook Chapter
Book titleEncyclopedia of Magnetic Resonance
Pages121; # of pages: 21
Subjectquadrupolar nuclei; oxide materials; vanadium-51; niobium-93; molybdenum-95; solid-state NMR; glasses; catalysts; layered materials; ab initio calculations; paramagnetic effects
AbstractIn this work, we review the basic methodology and recent applications of quadrupolar metal solid-state NMR spectroscopy in oxide systems with emphasis on materials science and catalysis. Three typical quadrupolar metal nuclei, 51V, 93Nb, and 95Mo, are discussed in detail to illustrate the complex interplay between the quadrupolar and chemical shielding interactions in oxides. In the first part, a systematic overview is given of the metal coordination environments in oxides and their corresponding NMR parameters. The importance of quantum chemical calculations in correlating experimental NMR results with a molecular level oxide structure is highlighted. In the second part, we present examples of quadrupolar metal NMR in materials science, including paramagnetic oxide systems, layered materials, ferroelectrics, silicates, and glasses. The final section is dedicated to the latest applications of NMR in heterogeneous oxide catalysis.
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AffiliationNRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number19727344
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Record identifier9756f048-78ea-4648-a39d-72652b9c5971
Record created2012-03-29
Record modified2016-05-09
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