Synthesis, Crystal Structure Refinement, and Electrical Conductivity of Pb (8− x ) Na 2 Sm x (VO 4 ) 6 O ( x /2)

• Published in: Journal of chemistry Vol. 2014; pp. 1 - 7
• Main Authors: Savankova, Tatiana M., Akselrud, Lev G., Ardanova, Lyudmyla I., Ignatov, Alexey V., Get’man, Eugeni I., Gladyshevskii, Roman E., Loboda, Stanislav N.
• Format: Journal Article
• Language: English
• Published: 2014
• ISSN: 2090-9063; 2090-9071
• DOI: 10.1155/2014/263548

Solid solutions of Pb
(8−
x
)
Na
2
Sm
x
(VO
4
)
6
O
(
x
/2)
were studied using X-ray diffraction analysis including Rietveld refinement and scanning electron microscopy and by measuring their electrical conductivity. Crystal structure of the solid solutions was refined and the solubility region
0
≤
x
≤
0.2
was determined for samarium substitution for lead under the scheme
2Pb
2
+
+
□
→
2
Sm
3
+
+
O
2
-
. The influence of degree of substitution on the electrical conductivity of solid solutions was established.