HYDROGEN DIFFUSION IN IRON-OXIDES (NB-DOPED FE2O3 AND FEO)

被引：6

作者：

BRASS, AM

BOUTRYFORVIELLE, A

AUCOUTURIER, M

机构：

[1] CNRS,ELECTROCHIM INTERFACIALE LAB,F-92195 MEUDON,FRANCE

[2] CNRS,PHYS SOLIDES LAB,F-92195 MEUDON,FRANCE

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1992年 / 139卷 / 02期

关键词：

D O I：

10.1149/1.2069225

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Hydrogen diffusion in single crystals of iron oxides (Nb doped Fe2O3 and FeO) was studied by secondary ion mass spectroscopy on samples deuterated in a RF plasma. Depending on the temperature of the exposure to deuterium, the deuterium profiles are representative of trapping with a concentration near the dopant level or of a nearly "Fickian" diffusion process. The apparent diffusion coefficients confirm that deuterium (hydrogen) diffusion is slow in the iron oxides.

引用

页码：374 / 376

页数：3

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