NMR and XAS study on doped LaF3

M. A. Denecke; W. Gunßer; A. V. Privalov; I. V. Murin

doi:10.1016/0167-2738(92)90179-S

NMR and XAS study on doped LaF3

M. A. Denecke, W. Gunßer, A. V. Privalov, I. V. Murin

Dalton Nuclear Institute

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Abstract

Temperature dependent NMR measurements as well as XAS investigations on La1-xSrxF3-x (x=0.0, 0.01, 0.05, 0.16) have been performed to study the fluorine diffusion in these solid electrolytes and to elucidate the effect that doping with heterovalent SrF2 has on LaF3. A three-stage process of diffusion was observed. Upon increasing temperature, initial ionic exchange begins in the F1 sublattice. At even higher temperatures, dependent upon dopant concentration, ionic exchange between the F1 and F2,3 sublattices takes place. A further increase in temperature eventually leads to exchange over all F- structural positions. © 1992.

Original language	English
Pages (from-to)	327-331
Number of pages	4
Journal	Solid State Ionics
Volume	52
Issue number	4
DOIs	https://doi.org/10.1016/0167-2738(92)90179-S
Publication status	Published - Jun 1992

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title = "NMR and XAS study on doped LaF3",

abstract = "Temperature dependent NMR measurements as well as XAS investigations on La1-xSrxF3-x (x=0.0, 0.01, 0.05, 0.16) have been performed to study the fluorine diffusion in these solid electrolytes and to elucidate the effect that doping with heterovalent SrF2 has on LaF3. A three-stage process of diffusion was observed. Upon increasing temperature, initial ionic exchange begins in the F1 sublattice. At even higher temperatures, dependent upon dopant concentration, ionic exchange between the F1 and F2,3 sublattices takes place. A further increase in temperature eventually leads to exchange over all F- structural positions. {\textcopyright} 1992.",

author = "Denecke, {M. A.} and W. Gun{\ss}er and Privalov, {A. V.} and Murin, {I. V.}",

year = "1992",

month = jun,

doi = "10.1016/0167-2738(92)90179-S",

language = "English",

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journal = "Solid State Ionics",

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T1 - NMR and XAS study on doped LaF3

AU - Denecke, M. A.

AU - Gunßer, W.

AU - Privalov, A. V.

AU - Murin, I. V.

PY - 1992/6

Y1 - 1992/6

N2 - Temperature dependent NMR measurements as well as XAS investigations on La1-xSrxF3-x (x=0.0, 0.01, 0.05, 0.16) have been performed to study the fluorine diffusion in these solid electrolytes and to elucidate the effect that doping with heterovalent SrF2 has on LaF3. A three-stage process of diffusion was observed. Upon increasing temperature, initial ionic exchange begins in the F1 sublattice. At even higher temperatures, dependent upon dopant concentration, ionic exchange between the F1 and F2,3 sublattices takes place. A further increase in temperature eventually leads to exchange over all F- structural positions. © 1992.

AB - Temperature dependent NMR measurements as well as XAS investigations on La1-xSrxF3-x (x=0.0, 0.01, 0.05, 0.16) have been performed to study the fluorine diffusion in these solid electrolytes and to elucidate the effect that doping with heterovalent SrF2 has on LaF3. A three-stage process of diffusion was observed. Upon increasing temperature, initial ionic exchange begins in the F1 sublattice. At even higher temperatures, dependent upon dopant concentration, ionic exchange between the F1 and F2,3 sublattices takes place. A further increase in temperature eventually leads to exchange over all F- structural positions. © 1992.

U2 - 10.1016/0167-2738(92)90179-S

DO - 10.1016/0167-2738(92)90179-S

M3 - Article

VL - 52

SP - 327

EP - 331

JO - Solid State Ionics

JF - Solid State Ionics

IS - 4

ER -

NMR and XAS study on doped LaF3

Abstract

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