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Abstrakt
A composite of CaTi0.9Fe0.1O3 and electrolyte material, i.e. magnesium doped La0.98Mg0.02NbO4 was prepared and studied. The phase content and the sample microstructure was examined by an X-ray diffraction method and scanning electron microscopy. EDS measurements were done both for composite samples and the diffusion couple. The electrical properties were studied by four terminal DC method. The Ahigh-temperature interaction between the two components of the composite has been observed. It has been suggested that lanthanum diffused into the perovskite phase and substituted for calcium whereas calcium and niobium formed the Ca2Nb2O7 pyrochlore phase. At 1500°C very large crystallites of the pyrochlore were observed. Regardless of strong interaction between the composite components, its total conductivity was weakly dependent on the sintering temperature.
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- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
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CENTRAL EUROPEAN JOURNAL OF PHYSICS
nr 11,
wydanie 2,
strony 213 - 218,
ISSN: 1895-1082 - Język:
- angielski
- Rok wydania:
- 2013
- Opis bibliograficzny:
- Mielewczyk-Gryń A., Lendze T., Gdula-Kasica K., Jasiński P., Krupa A., Kusz B., Gazda M.: Characterization of CaTi0.9Fe0.1O3/La0.98Mg0.02NbO4 composite// CENTRAL EUROPEAN JOURNAL OF PHYSICS. -Vol. 11, iss. 2 (2013), s.213-218
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 121 razy