Published April 1999
| Version v1
Journal article
Proton-oxygen conductivity in substituted perovskites ATi0.95Mo0.05O3-α (A = Ca, Sr, Ba; M = Sc, Mg) in the reducing hydrogen-containing atmospheres
- 1. Inst. Vysokotemperaturnoj Ehlektrokhimii UrO RAN, Ekaterinburg (Russian Federation)
Description
Electric conductivity depending on temperature, oxygen partial pressure, as well as the number of ti ion transfer and transfer hydrogen numbers in the perovskites ATi0.95Mo0.05O3-α (A = Ca, Sr, Ba; M = Sc, Mg) in reducing hydrogen-containing atmospheres in the temperature range of 450-850 deg C have been measured. With the temperature decrease ti increases reaching 1.0 at a temperature of 550 deg C for all compositions. Proton conductivity under conditions of assumed concomitant transfer of either O2- or OH- has been ascertained
Abstract (Russian)
Измерены электропроводность в зависимости от температуры и парциального давления кислорода, а также числа переноса ионов ti и водородные числа переноса в перовскитах ATi0.95Mo0.05O3-α (A = Ca, Sr, Ba; M = Sc, Mg) в восстановительных водородсодержащих атмосферах в интервале температур 450-850 град. С. С понижением температурые ti возрастают, достигая 1,0 при температуре около 550 град. С для всех составов. Определена протонная проводимость в условиях предполагаемого сопутствующего переноса либо O2- либо OH-Additional details
Additional titles
- Original title (Russian)
- Протонно-кислородная проводимост' в замещенных перовскитах ATi
Publishing Information
- Journal Title
- Ehlektrokhimiya
- Journal Volume
- 35
- Journal Issue
- 4
- Journal Page Range
- p. 438-444
- ISSN
- 0424-8570
- CODEN
- ELKKAX
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 31020487
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- CHEMICAL COMPOSITION; ELECTRIC CONDUCTIVITY; OXYGEN; PARTIAL PRESSURE; PEROVSKITES; SCANDIUM OXIDES; STRONTIUM OXIDES; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0400-1000 K; TEMPERATURE RANGE 1000-4000 K; TRANSFER NUMBERS
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; ELECTRICAL PROPERTIES; ELEMENTS; MINERALS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SCANDIUM COMPOUNDS; STRONTIUM COMPOUNDS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Notes
- 16 refs., 7 figs.