IONIC CHARGE-TRANSFER IN MIXED COMPOUNDS (CA2P2O7)(1-X) (NA4P2O7)(X)/

Authors
VINCENT V NIHOUL G GAVARRI JR
Citation
V. Vincent et al., IONIC CHARGE-TRANSFER IN MIXED COMPOUNDS (CA2P2O7)(1-X) (NA4P2O7)(X)/, Solid state ionics, 92(1-2), 1996, pp. 11-24
Citations number
20
Categorie Soggetti
Physics, Condensed Matter","Chemistry Physical
Journal title
Solid state ionics → ACNP
ISSN journal
01672738
Volume
92
Issue
1-2
Year of publication
1996
Pages
11 - 24
Database
ISI
SICI code
0167-2738(1996)92:1-2<11:ICIMC(>2.0.ZU;2-R
Abstract
To study the cationic mobilities in pyrophosphate systems, ceramics pe llets were prepared by mixing, then heating powders of Ca2P2O2 and Na4 P2O7 at different vol.% Na4P2O7. The transport properties of such samp les were studied as a function of temperature using complex impedance spectroscopy. It is shown that for 90 and 95 vol.% Na4P2O7 the samples exhibit strongly enhanced conductivity and dielectric constant. Takin g into account structural and microstructural aspects, an interpretati on is proposed.