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Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure
We present the results of the research work devoted to the problem: how the crystallites influence the electrical properties of stabilized zirconia at pressures of 22−50 GPa and in the temperature range of 77−450 K. The measurements were conducted in the highpressure chamber under direct current on...
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Донецький фізико-технічний інститут ім. О.О. Галкіна НАН України
2007
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irk-123456789-702922014-11-03T03:01:46Z Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure Korionov, I.V. Trefilova, A.N. Babushkin, A.N. Korionova, I.G. Shumina, U.N. Lojkowski, W. Opalinska, A. We present the results of the research work devoted to the problem: how the crystallites influence the electrical properties of stabilized zirconia at pressures of 22−50 GPa and in the temperature range of 77−450 K. The measurements were conducted in the highpressure chamber under direct current on nanocrystalline powders of ZrO₂ stabilized by Pr (0.5%) and on compact powder samples of «partially stabilized» ZrO₂ including 5% Y₃P₃. The nanocrystallite size equals 10, 12 and 56 nm. The change of electronic properties of stabilized zirconia at 31.5–37.5 GPa, 40–44 GPa and 45.5–48.5 GPa in nano- and polycrystalline states has been discovered. It gives us a possibility to verify the phase diagram of ZrO₂ at those intervals of pressure. Besides, it has been revealed that stabilization as nanocrystallinity leads to appearance of additional mechanisms of conductivity in ZrO₂. 2007 Article Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure / I.V. Korionov, A.N. Trefilova, A.N. Babushkin, I.G. Korionova, U.N. Shumina, W. Lojkowski, A. Opalinska // Физика и техника высоких давлений. — 2007. — Т. 17, № 1. — С. 70-73. — Бібліогр.: 3 назв. — англ. 0868-5924 PACS: 71.30.+h, 72.20.−i, 73.63.Bd http://dspace.nbuv.gov.ua/handle/123456789/70292 en Физика и техника высоких давлений Донецький фізико-технічний інститут ім. О.О. Галкіна НАН України |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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English |
| description |
We present the results of the research work devoted to the problem: how the crystallites influence the electrical properties of stabilized zirconia at pressures of 22−50 GPa and in the temperature range of 77−450 K. The measurements were conducted in the highpressure chamber under direct current on nanocrystalline powders of ZrO₂ stabilized by Pr (0.5%) and on compact powder samples of «partially stabilized» ZrO₂ including 5% Y₃P₃. The nanocrystallite size equals 10, 12 and 56 nm. The change of electronic properties of stabilized zirconia at 31.5–37.5 GPa, 40–44 GPa and 45.5–48.5 GPa in nano- and polycrystalline states has been discovered. It gives us a possibility to verify the phase diagram of ZrO₂ at those intervals of pressure. Besides, it has been revealed that stabilization as nanocrystallinity leads to appearance of additional mechanisms of conductivity in ZrO₂. |
| format |
Article |
| author |
Korionov, I.V. Trefilova, A.N. Babushkin, A.N. Korionova, I.G. Shumina, U.N. Lojkowski, W. Opalinska, A. |
| spellingShingle |
Korionov, I.V. Trefilova, A.N. Babushkin, A.N. Korionova, I.G. Shumina, U.N. Lojkowski, W. Opalinska, A. Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure Физика и техника высоких давлений |
| author_facet |
Korionov, I.V. Trefilova, A.N. Babushkin, A.N. Korionova, I.G. Shumina, U.N. Lojkowski, W. Opalinska, A. |
| author_sort |
Korionov, I.V. |
| title |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure |
| title_short |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure |
| title_full |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure |
| title_fullStr |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure |
| title_full_unstemmed |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure |
| title_sort |
electrical properties of zro₂ in nano- and polycrystalline states at high pressure |
| publisher |
Донецький фізико-технічний інститут ім. О.О. Галкіна НАН України |
| publishDate |
2007 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/70292 |
| citation_txt |
Electrical properties of ZrO₂ in nano- and polycrystalline states at high pressure / I.V. Korionov, A.N. Trefilova, A.N. Babushkin, I.G. Korionova, U.N. Shumina, W. Lojkowski, A. Opalinska // Физика и техника высоких давлений. — 2007. — Т. 17, № 1. — С. 70-73. — Бібліогр.: 3 назв. — англ. |
| series |
Физика и техника высоких давлений |
| work_keys_str_mv |
AT korionoviv electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT trefilovaan electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT babushkinan electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT korionovaig electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT shuminaun electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT lojkowskiw electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure AT opalinskaa electricalpropertiesofzro2innanoandpolycrystallinestatesathighpressure |
| first_indexed |
2023-10-18T18:58:12Z |
| last_indexed |
2023-10-18T18:58:12Z |
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1796145651668484096 |