Thermal expansion in CexY1−xNi0.8Pt0.2
✍ Scribed by J.I. Espeso; J. Rodríguez Fernández; J.A. Blanco; J.C. Gómez Sal
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 370 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0038-1098
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Thermal expansion coefficients of CeNio.aPto. 2 and Ceo.aYo.2Ni0.aPto.2 polycrystalline samples have been measured up to 19 kbar in the temperature range from 7 to 250 K. The evolution of these coefficients with pressure is analysed and interpreted as a consequence of the increasing hybridization of
Increasing iron concentration in perovskite-type solid solutions Sr 0.97 Ti 1؊x Fe x O 3؊ (x ؍ 0.2+0.8) was found to decrease the unit cell volume and to increase the partial ionic and electronic conductivities as well as the thermal expansion. The oxygen permeation through Sr 0.97 (Ti,Fe)O 3؊ mem