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ChemInform Abstract: 1- and 2-D 19F MAS NMR Study of Fluoride-Ion Mobility in α-PbF2.

✍ Scribed by F. WANG; C. P. GREY

Publisher: John Wiley and Sons
Year: 2010
Weight: 32 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199820014

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✦ Synopsis

1998 magnetic resonance, nuclear quadrupole resonance magnetic resonance, nuclear quadrupole resonance (solids and liquids) D 6560 20 -014 1-and 2-D 19 F MAS NMR Study of Fluoride-Ion Mobility in α-PbF 2 .

-The local motion of F-ions α-PbF 2 and K-doped α-PbF 2 is probed by 19 F MAS NMR collected at spinning speeds in excess of 20 kHz. The two crystallographic sites are assigned on the basis of their 207 Pb-19 F J-coupling. The correlation times of the rigid and mobile F-ions differ by more than 2 orders of magnitude, and it is shown that the exchange between these two sets is negligible.

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