Siberian Federal University 
- Issue
- Journal of Siberian Federal University. Chemistry. 2019 12 (2)
- Authors
- Partin, Grigoriy S.; Animitsa, Irina E.; Kochetova, Nadezhda A.
- Contact information
- Partin, Grigoriy S.: Ural Federal University named after B.N. Yeltsin 19 Mira Str., Ekaterinburg, 620002, Russia; grigory.partin@urfu.ru; Animitsa, Irina E.: Ural Federal University named after B.N. Yeltsin 19 Mira Str., Ekaterinburg, 620002, Russia; Kochetova, Nadezhda A.: Ural Federal University named after B.N. Yeltsin 19 Mira Str., Ekaterinburg, 620002, Russia
- Keywords
- LAMOX; lanthanum dimolybdate; LAMOX; heterogeneous doping; composites; oxide-ion conductivity
- Abstract
A heterogeneous doping method was used for the first time to modify the transport properties of the oxygen-ion conductor La(2)Mo(2)O(9). The effect of temperature and oxygen partial pressure in the gas phase on conductivity of the obtained composite {0.85La2Mo2O9–0.15La2Mo3O12} was studied. Introduction of 15 mol. % an inert low-conductive additional phase La(2)Mo(3)O(12) results in an increase in conductivity of the matrix phase by nearly 1 orders of magnitude. It is associated with appearance of a composite effect. However, there is no suppression of the α-La(2)Mo(2)O(9)↔β-La(2) Mo(2)O(9) phase transition. It is shown that the conductivity type of both lanthanum dimolybdate and composite based on it is predominantly ionic in the wide range of oxygen partial pressures
- Pages
- 221-230
- DOI
- 10.17516/1998-2836-0120.
- Paper at repository of SibFU
- https://elib.sfu-kras.ru/handle/2311/110291
Journal of Siberian Federal University. Chemistry / The Effect of Heterogeneous Doping on Transport Properties of Lanthanum Dimolybdate
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