Research output: Contribution to journal › Article › peer-review
Ionic motion in the LaF3 superionic conductor studied by 19F NMR with homonuclear decoupling. / Privalov, A. F.; Vieth, H. M.; Murin, I. V.
In: Journal of Physics and Chemistry of Solids, Vol. 50, No. 4, 1989, p. 395-398.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Ionic motion in the LaF3 superionic conductor studied by 19F NMR with homonuclear decoupling
AU - Privalov, A. F.
AU - Vieth, H. M.
AU - Murin, I. V.
PY - 1989
Y1 - 1989
N2 - We report 19F NMR studies at 282 MHz on the single crystalline fast ionic conductor LaF3 from 130 to 490 K. From our high resolution data and from a comparison with computer simulated dipolar spectra we are able to identify the signals from different fluorine sublattices, and to analyse their motional behaviour and their chemical shifts as a function of temperature. The ionic diffusion begins above 290 K, but for the F1 sublattice only. The F2 and F3 sublattices are indistinguishable in the NMR experiments, because their chemical shifts differ by less than 15 ppm. These ions remain static or in relatively slow motion until 490 K.
AB - We report 19F NMR studies at 282 MHz on the single crystalline fast ionic conductor LaF3 from 130 to 490 K. From our high resolution data and from a comparison with computer simulated dipolar spectra we are able to identify the signals from different fluorine sublattices, and to analyse their motional behaviour and their chemical shifts as a function of temperature. The ionic diffusion begins above 290 K, but for the F1 sublattice only. The F2 and F3 sublattices are indistinguishable in the NMR experiments, because their chemical shifts differ by less than 15 ppm. These ions remain static or in relatively slow motion until 490 K.
KW - fluorine NMR
KW - ionic mobility
KW - LaF
KW - superionic conductor
UR - http://www.scopus.com/inward/record.url?scp=0024881304&partnerID=8YFLogxK
U2 - 10.1016/0022-3697(89)90439-3
DO - 10.1016/0022-3697(89)90439-3
M3 - Article
AN - SCOPUS:0024881304
VL - 50
SP - 395
EP - 398
JO - Journal of Physics and Chemistry of Solids
JF - Journal of Physics and Chemistry of Solids
SN - 0022-3697
IS - 4
ER -
ID: 88000637