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Relationship between effective ionic radii, structure and electro-mechanical properties of zirconia stabilized with rare earth oxides M2O3 (M = Yb, Y, Sm)

Basic information
Original title:Relationship between effective ionic radii, structure and electro-mechanical properties of zirconia stabilized with rare earth oxides M2O3 (M = Yb, Y, Sm)
Authors:M. Hartmanová, E.E. Lomonova, F. Kubel, J. Schneider, Vilma Buršíková, M. Jergel, Vladislav Navrátil, F. Kundracik
Further information
Citation:HARTMANOVÁ, M., E.E. LOMONOVA, F. KUBEL, J. SCHNEIDER, Vilma BURŠÍKOVÁ, M. JERGEL, Vladislav NAVRÁTIL and F. KUNDRACIK. Relationship between effective ionic radii, structure and electro-mechanical properties of zirconia stabilized with rare earth oxides M2O3 (M = Yb, Y, Sm) (Relationship between effective ionic radii, structure and electro-mechanical properties of zirconia stabilized with rare earth oxides M2O3 (M = Yb, Y, Sm)). Journal of Materials Science, Springer Science+Business Media, Inc, 2009, 44/2009, No 1, p. 234-243. ISSN 0022-2461.Export BibTeX
@article{838630,
author = {Hartmanová, M. and Lomonova, E.E. and Kubel, F. and Schneider, J. and Buršíková, Vilma and Jergel, M. and Navrátil, Vladislav and Kundracik, F.},
article_number = {1},
keywords = {Relationship; effective ionic radii; structure; electro-mechanical properties of zirconia; stabilized with rare earth oxides; M2O3},
language = {eng},
issn = {0022-2461},
journal = {Journal of Materials Science},
title = {Relationship between effective ionic radii, structure and electro-mechanical properties of zirconia stabilized with rare earth oxides M2O3 (M = Yb, Y, Sm)},
volume = {44/2009},
year = {2009}
}
Original language:English
Field:Solid matter physics and magnetism
Type:Article in Periodical
Keywords:Relationship; effective ionic radii; structure; electro-mechanical properties of zirconia; stabilized with rare earth oxides; M2O3

Zirconia stabilized with various concentrations of rare earth oxides of Yb, Sm and Y with different effective ionic radii ratio between the dopant and host cations was studied. In particular, structure, phase composition, compositional range for existence of cubic solid solutions and their phase transformations, stabilization degree of high-temperature phases and the crystal chemistry and type of solid solutions were investigated. These findings were related to the measured material characteristics, namely the electrical conductivity, microhardness and effective elastic modulus, to elucidate various effects important for practical applications, such as an increase of electrical conductivity due to the pyrochlore phase occurrence or an increase of microhardness arising from the effect of dynamic strain ageing.

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