Electrical conductivity study on Na 3PO 4–Pb 3(PO 4) 2–BiPO 4 phosphate glasses

Electrical properties of 0.23Na 2O–0.23PbO–0.31Bi 2O 3–0.23P 2O 5, a glass composition of the Na 3PO 4–Pb 3(PO 4) 2–BiPO 4 system whose glass transition ( T g=377°C), have been studied in the temperature range 25–500°C and as a function of frequency between 1 Hz and 1 MHz. It is found that the compo...

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Published inMaterials science & engineering. B, Solid-state materials for advanced technology Vol. 85; no. 1; pp. 28 - 33
Main Authors Jermoumi, T, Hafid, M, Et-tabirou, M, Taibi, M, ElQadim, H, Toreis, N
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2001
Subjects
Dielectric modulus
DSC
Electrical conductivity
Phosphate glasses
Phosphate glasses
Electrical conductivity
DSC
Dielectric modulus
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Summary:Electrical properties of 0.23Na 2O–0.23PbO–0.31Bi 2O 3–0.23P 2O 5, a glass composition of the Na 3PO 4–Pb 3(PO 4) 2–BiPO 4 system whose glass transition ( T g=377°C), have been studied in the temperature range 25–500°C and as a function of frequency between 1 Hz and 1 MHz. It is found that the compound undergoes a electrical relaxation with an activation energy of 1.26 eV order. The discussed results indicate a relatively strong binding of sodium ions to the glass network.
ISSN:0921-5107
1873-4944
DOI:10.1016/S0921-5107(01)00611-0