Na+/Li+-ionic conductivity in Fe2Na2K[Li3Si12O30]

Na+/Li+-ionic conductivity in Fe2Na2K[Li3Si12O30] A sugilite-type double 6-membered ring (D6MR) silicate, Fe2Na2K[Li3Si12O30] could be obtained for the first time under mild hydrothermal conditions. Impedance spectra revealed a bulk conductivity of 1.2 × 10−5 S cm−1 at 923 K. Hopping pathways of Li+ and Na+ were indicated in difference Fourier (ΔF) maps parallel to the D6MRs network using neutron powder diffraction at 298–1123 K. The current study presents a promising prototype for combined 2-dimensional Li+/Na+-ionic conductors with crystal-chemical flexibility and thermally high stability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Solid State Chemistry Elsevier

Na+/Li+-ionic conductivity in Fe2Na2K[Li3Si12O30]

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Inc.
ISSN
0022-4596
eISSN
1095-726X
D.O.I.
10.1016/j.jssc.2018.05.008
Publisher site
See Article on Publisher Site

Abstract

A sugilite-type double 6-membered ring (D6MR) silicate, Fe2Na2K[Li3Si12O30] could be obtained for the first time under mild hydrothermal conditions. Impedance spectra revealed a bulk conductivity of 1.2 × 10−5 S cm−1 at 923 K. Hopping pathways of Li+ and Na+ were indicated in difference Fourier (ΔF) maps parallel to the D6MRs network using neutron powder diffraction at 298–1123 K. The current study presents a promising prototype for combined 2-dimensional Li+/Na+-ionic conductors with crystal-chemical flexibility and thermally high stability.

Journal

Journal of Solid State ChemistryElsevier

Published: Aug 1, 2018

References

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