29Si and 31P MAS NMR study of the Nasicon system na 1+χZr 2(SiO 4) χ(PO 4) 3-χ
Abstract
The original NASICON system Na 1+χZr 2(SiO 4) χ(PO 4) 3-χ was investigated by 29Si and 31P NMR. With increasing χ a continuous down-field shift of the single resonance lines was observed both in 29Si and 31P NMR. The linewidth shows a maximum around χ = 1.5. Both effects are explained by a change in the net atomic charge qZr of zirconium caused by the substitution of phosphorus by silicon. In Na 4Zr 2(SiO 4) 3qZr was estimated to be 1.32 from the NMR data.
- Publication:
-
Chemical Physics Letters
- Pub Date:
- May 1988
- DOI:
- 10.1016/0009-2614(88)80222-7
- Bibcode:
- 1988CPL...147...49J