DETERMINATION OF THE INFLUENCE OF THE NAF RATE ON THE CHARGE-CARRIERS PARAMETERS IN SOME FLUORIDE GLASSES CONTAINING THE NAF ALKALI FLUORIDE

被引：26

作者：

UVAROV, NF

HAIRETDINOV, EF

REAU, JM

BOBE, JM

SENEGAS, J

POULAIN, M

机构：

[1] UNIV BORDEAUX 1,CNRS,CHIM SOLIDE LAB,351 COURS LIBERAT,F-33405 TALENCE,FRANCE

[2] RUSSIAN ACAD SCI,INST SOLID STATE CHEM,NOVOSIBIRSK 630091,RUSSIA

[3] UNIV RENNES BEAULIEU,CHIM MINERALE LAB 254,F-35042 RENNES,FRANCE

来源：

SOLID STATE IONICS | 1994年 / 74卷 / 3-4期

关键词：

ALMOND WEST FORMALISM; GLASS; IONIC CONDUCTIVITY FLUORINE; SODIUM FLUORIDE;

D O I：

10.1016/0167-2738(94)90210-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The bulk impedance parameters of various fluoride glasses series containing a large extent in NaF rate have been determined from an analysis of ac conductivity data measured in a wide temperature range. The charge carriers concentration in each glass studied has been evaluated using the Almond-West formalism and shown to be temperature independent. Transport properties in these materials are due to a hopping mechanism of the fraction of F- ions mobile at long range (3-5%). The variation of different conductivity parameters as a function of the NaF content has been determined. When the NaF rate increases, a conductivity decrease is observed, due mainly to a decrease of the charge carriers mobility.

引用

页码：195 / 204

页数：10

共 32 条

[1] ANALYSIS OF CONDUCTIVITY PREFACTORS AND ION HOPPING RATES IN AGI-AG2 MOO4 GLASS [J].