Journal article
Mossbauer study of perovskite oxides for oxidative coupling of CH4 and absorption of CO2
Czechoslovak journal of physics, v 47(5), pp 517-522
01 May 1997
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Abstract
Perovskite oxides, (Ba0.95Ca0.05)(Co1-xFex) O3-delta, are prominent materials for oxidative coupling of methane and for CO2 absorption at high temperature, and these oxides before and after treatment in CH4 and CO2 atmosphere were analysed by Mossbauer spectroscopy. The perturbation of microstructure by substitution of Ha sites with Ca, and the electron transfer of mixed valences in Fe and Co ions with the formation of oxygen vacancies at high temperatures, are considered to contribute strongly to the selectivity of CH4 coupling and the rapid absorption of CO2 at high temperatures.
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Details
- Title
- Mossbauer study of perovskite oxides for oxidative coupling of CH4 and absorption of CO2
- Creators
- K Nomura - University of TokyoZ Homonnay - Eötvös Loránd UniversityA Vertes - Eötvös Loránd UniversityChecherskyA Nath - Drexel UniversityY Ujihira - University of TokyoT Hayakawa - Tsukuba Research Center, National Institute of Material and Chemical Research, Ibaraki, JapanK Takehira - Tsukuba Research Center, National Institute of Material and Chemical Research, Ibaraki, Japan
- Publication Details
- Czechoslovak journal of physics, v 47(5), pp 517-522
- Publisher
- Inst Physics Acad Sci Czech Republic
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:A1997XC91900005
- Scopus ID
- 2-s2.0-0031500999
- Other Identifier
- 991019169648604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Physics, Multidisciplinary