

HYDRATION PROCESS AND STATES OF PROTON-CONTAINING SPECIES IN DOUBLE PEROVSKITE Ba4Ca2Nb2-хРхO11
https://doi.org/10.15518/isjaee.2016.01-02.003
Abstract
The hydrated solid solutions Ba4Ca2Nb2-хРхO11 studied by thermogravimetry, and IR spectroscopy. It was found that the samples are able to reversible dissolution of water vapour, this process is accompanied by appearing in structure nonequivalent ОН-groups with different hydrogen-bonds. The protonic defects concentration reduces with increasing of phosphorus content and the concentration of different ОН-groups is redistributed. Concentration of hydroxyl groups involved in the strong hydrogen bonds (less thermally stable) decreases first.
About the Authors
K. G. BelovaRussian Federation
Ph.D. student, Ural Federal University named after the first President of Russia B.N. Yeltsin
A. V. Obrubova
Russian Federation
undergraduate
S. S. Nokhrin
Russian Federation
Ph.D. (chemistry), assistant professor of Ural Federal University named after the first President of Russia
I. E. Animitsa
Russian Federation
D.Sc. (chemistry), professor, the head of the Department of Inorganic Chemistry of Ural Federal University named after the first President of Russia B.N. Yeltsin
References
1. Borowski M. (Ed.) Perovskites: Structure, Properties and Uses. New York: Nova Science Publishers, 2010 (in Eng.).
2. Malavasi L., Fisher C. A. J. and Islam M. S. Oxideion and proton conducting electrolyte materials for clean energy applications: structural and mechanistic features. Chem. Soc. Rev., 2010, vol. 39, pp. 4370–4387 (in Eng.).
3. Animitsa I., Neiman A., Kochetova N., Melekh B., Sharafutdinov A. Proton and oxygen-ion conductivity of Ba4Ca2Nb2O11. Solid State Ionics, 2003, vol. 162–163, pp. 63–71 (in Eng.).
4. Kochetova N.A, Animica I.E., Neiman A.Ya. Sin-tez i svojstva tverdyh rastvorov na osnove Ba4Ca2Nb2O11. Žurn. fiz. himii, 2009, vol. 83, no. 2, pp. 203–208 (in Russ.).
5. Animitsa I., Denisova T., Neiman A., Nepryahin A., Kochetova N., Zhuravlev N., Colomban Ph. States of H+-containing species and proton migration forms in hydrated niobates and tantalates of alkaline-earth metals with a perovskite-related structure. Solid State Ionics, 2003, vol. 162–163, pp. 73–81 (in Eng.).
6. Belova K.G., Obrubova A.V., Nohrin S.S., Animi-ca I.E. Provodimostʹ perovskitopodobnyh tverdyh rastvorov Ba4Ca2Nb2−xPxO11. Naučno-tehničeskij vestnik Povolžʹâ, 2015, vol. 3, pp. 71–73 (in Russ.).
7. Shin J.F., Joubel K., Apperley D.C. and Slater P.R. Synthesis and characterization of proton conducting oxya-nion doped Ba2Sc2O5. Dalton Transactions, 2012, vol. 41, pp. 261–266 (in Eng.).
8. Shin J.F., Hussey L., Orera A., Slater P.R. Enhancement of the conductivity of Ba2In2O5 through phosphate doping. Chemistry Communication, Birming-ham, 2010, vol. 46, pp. 4613 (in Eng.).
9. Yuhnevich G.V. Infrakrasnaâ spektroskopiâ vody. Moscow: Nauka Publ., 1973 (in Russ.).
Review
For citations:
Belova K.G., Obrubova A.V., Nokhrin S.S., Animitsa I.E. HYDRATION PROCESS AND STATES OF PROTON-CONTAINING SPECIES IN DOUBLE PEROVSKITE Ba4Ca2Nb2-хРхO11. Alternative Energy and Ecology (ISJAEE). 2016;(1-2):37-42. (In Russ.) https://doi.org/10.15518/isjaee.2016.01-02.003