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Design Of New Oxide Ceramic Materials And Nanocomposites With Mixed Conductivity By Using Mechanical Activation Route.

Published online by Cambridge University Press:  11 February 2011

Vladimir V. Zyryanov ,
Nikolai F. Uvarov ,
Vitalii G. Kostrovskii ,
Vladislav A. Sadykov ,
Tatiana G. Kuznetsova ,
V. A. Rogov ,
V. I. Zaikovskii ,
Y.V. Frolova ,
G. M. Alikina  and
G. S. Litvak
...Show all authors
Vladimir V. Zyryanov
Affiliation:
Inst. of Solid State Chemistry SB RAS, Novosibirsk, Russia
Nikolai F. Uvarov
Affiliation:
Inst. of Solid State Chemistry SB RAS, Novosibirsk, Russia
Vitalii G. Kostrovskii
Affiliation:
Inst. of Solid State Chemistry SB RAS, Novosibirsk, Russia
Vladislav A. Sadykov
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
Tatiana G. Kuznetsova
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
V. A. Rogov
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
V. I. Zaikovskii
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
Y.V. Frolova
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
G. M. Alikina
Affiliation:
Inst. Chem. Eng. & High Temperature Proc., Patras, Greece.
G. S. Litvak
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
E. B. Burgina
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
E. M. Moroz
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
S. Neophytides
Affiliation:
Boreskov Inst. Catalysis SB RAS, Novosibirsk, Russia
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Abstract

Some perovskite –like Fe (Co) -containing and fluorite-like Bi –containing solid solutions considered as promising materials for high oxygen flux membranes application have been synthesized by the mechanochemical activation route. Structural/microstructural features of those systems characterized by TEM, XRD, IR, and Raman spectroscopy are compared with the data on their mixed conductivity and oxygen mobility. Some properties of nanocomposites comprised of those materials and such oxides as Fe2O3, BaTiO3, BaBiO3 etc are elucidated as well. Densification of those powdered samples by sintering in the 700–1400 K temperature range is accompanied by annealing of metastable phases generating “core-shell” nanocomposites with oxygen transport properties different from those of traditional materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 755: Symposium DD – Solid-State Chemistry of Inorganic Materials IV , 2002 , DD6.27
Copyright
Copyright © Materials Research Society 2003

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References

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