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Conduction Properties of Na+-ion Implanted Glass-Ceramics in the System Na2O-R2O3-P2O5-SiO2 (R=Rare Earth)

Published online by Cambridge University Press:  15 February 2011

Toshinori Okura ,
Miki Tanaka  and
Giichi Sudoh
Toshinori Okura
Affiliation:
Department of Applied Chemistry, Faculty of Engineering, Kogakuin University, Nishi-shinjuku 1–24–2, Shinjuku-ku, Tokyo 163–91, Japan
Miki Tanaka
Affiliation:
Department of Applied Chemistry, Faculty of Engineering, Kogakuin University, Nishi-shinjuku 1–24–2, Shinjuku-ku, Tokyo 163–91, Japan
Giichi Sudoh
Affiliation:
Department of Applied Chemistry, Faculty of Engineering, Kogakuin University, Nishi-shinjuku 1–24–2, Shinjuku-ku, Tokyo 163–91, Japan
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Abstract

The glass-ceramics of the phosphorus containing Na5RSi4O12type (R=rare earth) Na+-superionic conductors (Narpsio-V) in the system Na2O-Sm2O3-P2O5-SiO2 were prepared by crystallization of glasses with the composition Na3+3x-ySm1-xPySi3-yO9. The optimum conditions for crystallization were discussed with reference to the conduction properties and the preparation of uncracked bulky glass-ceramic Narpsio-V. The ionic conductivity of the glass-ceramic Na3.9Sm0.6P0.3Si2.7O9 at 300°C was drastically enhanced from 2.38×10-2 S/cm to 7.15×10-2 S/cm upon implantation of 200 keV Na+ ions to a fluence of 1 × 1015 cm-2.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 453: Symposium R – Solid State Chemistry of Inorganic Materials , 1996 , 611
Copyright
Copyright © Materials Research Society 1997

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References

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