Dynamic nuclear polarization of quadrupolar nuclei using cross polarization from protons: surface-enhanced aluminium-27 NMR

Authors :: Vitzthum, Veronika
Cope, Christophe
Miéville, Pascal
Carnevale, Diego
Caporini, Marc A.
Gajan, David
Coperet, Christophe
Cop, Christophe
Lelli, Moreno
Zagdoun, Alexandre
Rossini, Aaron J.
Lesage, Anne
Emsley, Lyndon
Bodenhausen, Geoffrey
Publication Year :: 2012
Publisher :: Zenodo, 2012.
Abstract: International audience ; The surface of gamma-alumina nanoparticles can be characterized by dynamic nuclear polarization (DNP) surface-enhanced NMR of Al-27. DNP is combined with cross-polarization and MQ-MAS to determine local symmetries of Al-27 sites at the surface.

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