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Your search keyword '"Sarzi Amadè, Nicola"' showing total 13 results
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13 results on '"Sarzi Amadè, Nicola"'

9. Room-temperature performance of 3 mm-thick cadmium–zinc–telluride pixel detectors with sub-millimetre pixelization

Author

Buttacavoli, Antonino, primary, Principato, Fabio, additional, Gerardi, Gaetano, additional, Bettelli, Manuele, additional, Sarzi Amadè, Nicola, additional, Zappettini, Andrea, additional, Seller, Paul, additional, Veale, Matthew C., additional, Fox, Oliver, additional, Sawhney, Kawal, additional, and Abbene, Leonardo, additional

Published
2020
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12. Molecular and Ionic Dynamics in NaxLi6–xC60

Author

Sarzi Amadè, Nicola, primary, Pontiroli, Daniele, additional, Maidich, Luca, additional, Riccò, Mauro, additional, Gaboardi, Mattia, additional, Magnani, Giacomo, additional, Carretta, Pietro, additional, and Sanna, Samuele, additional

Published
2017
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13. Molecular and Ionic Dynamics in NaxLi6–xC60

Author

Luca Maidich, Daniele Pontiroli, Pietro Carretta, Nicola Sarzi Amadè, Giacomo Magnani, Mattia Gaboardi, S. Sanna, Mauro Riccò, Sarzi Amadè, Nicola, Pontiroli, Daniele, Maidich, Luca, Riccò, Mauro, Gaboardi, Mattia, Magnani, Giacomo, Carretta, Pietro, and Sanna, Samuele

Subjects
REVERSIBLE HYDROGEN STORAGE, Chemistry, Dynamics (mechanics), Ionic bonding, 02 engineering and technology, Atmospheric temperature range, 010402 general chemistry, 021001 nanoscience & nanotechnology, LITHIUM INTERCALATED FULLERIDES, 01 natural sciences, 0104 chemical sciences, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Ion, General Energy, Solid-state nuclear magnetic resonance, Octahedron, Chemical physics, Computational chemistry, Ionic diffusion, NUCLEAR-MAGNETIC-RESONANCE, Physical and Theoretical Chemistry, 0210 nano-technology
Abstract

We report on the C-60, Na, and Li dynamics in NaxLi6xC60 fullerides (x = 0, 1, 5, and 6) in the temperature range 80-550 K by using C-13, Na-23, and Li-7 solid state NMR. The results show that the C-60 reorientation dynamics is hindered at room temperature for the Li-enriched fullerides, but it is active for the Na rich ones with a rate of the order of few kilohertz. Na-23 and Li-7 NMR measurements show the presence of two dominant thermally activated dynamics that can be associated with Li/Na ionic motions within the octahedral sites (intrasite motion) and between the octahedral and tetrahedral sites (intersite motion). The substitution of one Na or one Li ion in the end members Li6C60 and Na6C60, respectively, yields to an increase of the hopping rate of the intersite motion, which is necessary for the ionic diffusion in possible fulleride-based ionic conductors.

Published
2017
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