Effect of composition changes on properties and defect structure of crystalline Sm-doped ZrO2 |
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| Authors: | M. Hartmanová F. Kubel V. Buršková M. Jergel V. Navrátil E. E. Lomonova K. Navratil F. Kundracik I. Kosti |
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| Affiliation: | (1) Institute of Physics, Slovak Academy of Sciences, 84511 Bratislava, Slovakia;(2) Institute for Chemical Technologies and Analytics, Vienna University of Technology, A-1060 Vienna, Austria;(3) Masaryk University, 61137 Brno, Czech Republic;(4) General Physics Institute, Russian Academy of Sciences, Moscow, 117942, Russia;(5) Comenius University, 84228 Bratislava, Slovakia;(6) Institute of Informatics, Slovak Academy of Sciences, 84507, Bratislava, Slovakia |
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| Abstract: | Polymorphous structure, electrical conductivity, absorption coefficient, refractive index, and mechanical characteristics of crystalline system ZrO2 + x Sm2O3 (x = 4–43 mol %) is investigated. Vickers microhardness is investigated by the well-known quasi-static indentation method. Plastic microhardness and the effective elastic modulus are studied by the depth-sensing indentation technique. Special attention is devoted to the ordered defect fluorite structure, pyrochlore phase Sm2Zr2O7, observed for x = 43 mol %. Potential applications of the investigated system are discussed. Published in Russian in Elektrokhimiya, 2007, Vol. 43, No. 4, pp. 402–411. The text was submitted by the authors in English. |
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| Keywords: | crystals ZrO2 Sm2O3 polymorphous structure pyrochlore phase electrical conductivity microhardness elastic modulus aborption coefficient refractive index |
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