Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Sol–gel synthesis of 2D and 3D nanostructured YSZ : Yb3+ ceramics. / Krivoruchko, O. P.; Larina, T. V.; Ishchenko, A. V. и др.
в: Inorganic Materials, Том 53, № 5, 01.05.2017, стр. 540-547.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Sol–gel synthesis of 2D and 3D nanostructured YSZ
T2 - Yb3+ ceramics
AU - Krivoruchko, O. P.
AU - Larina, T. V.
AU - Ishchenko, A. V.
AU - Pestryakov, E. V.
AU - Merzliakov, M. A.
PY - 2017/5/1
Y1 - 2017/5/1
N2 - This paper presents results of a detailed study of fundamental aspects of the formation of 2D and 3D nanostructured YSZ:Yb3+ ceramics with a cubic structure through a key synthesis step in aqueous solutions of zirconium-containing hydroxy nanoparticles (1–2 nm) modified by Y3+ and Yb3+ ions, with the use of a sol–gel method and subsequent calcination of the resultant xerogels at temperatures above 350°C. As starting chemicals for the synthesis of ceramic powders, we used zirconyl, yttrium, and ytterbium nitrates and chlorides and aqueous ammonia. Using mixed solutions of these salts and a procedure developed by us, we synthesized sols, gels, and xerogels. To examine the effect of temperature on solid-state transformations, the xerogels were calcined according to a predetermined program in a muffle furnace at temperatures in the range from 350 to 1350°C (rarely, up to 1650°C). We focused primarily on ceramic powders close in composition to 0.86ZrO2 · 0.10Y2O3 · 0.04Yb2O3. The ceramics were characterized by high-resolution transmission electron microscopy, electron microdiffraction, electronic diffuse reflectance spectroscopy, energy dispersive X-ray microanalysis, and X-ray fluorescence analysis.
AB - This paper presents results of a detailed study of fundamental aspects of the formation of 2D and 3D nanostructured YSZ:Yb3+ ceramics with a cubic structure through a key synthesis step in aqueous solutions of zirconium-containing hydroxy nanoparticles (1–2 nm) modified by Y3+ and Yb3+ ions, with the use of a sol–gel method and subsequent calcination of the resultant xerogels at temperatures above 350°C. As starting chemicals for the synthesis of ceramic powders, we used zirconyl, yttrium, and ytterbium nitrates and chlorides and aqueous ammonia. Using mixed solutions of these salts and a procedure developed by us, we synthesized sols, gels, and xerogels. To examine the effect of temperature on solid-state transformations, the xerogels were calcined according to a predetermined program in a muffle furnace at temperatures in the range from 350 to 1350°C (rarely, up to 1650°C). We focused primarily on ceramic powders close in composition to 0.86ZrO2 · 0.10Y2O3 · 0.04Yb2O3. The ceramics were characterized by high-resolution transmission electron microscopy, electron microdiffraction, electronic diffuse reflectance spectroscopy, energy dispersive X-ray microanalysis, and X-ray fluorescence analysis.
KW - 2D and 3D nanostructures
KW - optically transparent ceramics
KW - sol–gel method
KW - DEFECTS
KW - ZIRCONIA
KW - sol-gel method
UR - http://www.scopus.com/inward/record.url?scp=85018505886&partnerID=8YFLogxK
U2 - 10.1134/S0020168517050144
DO - 10.1134/S0020168517050144
M3 - Article
AN - SCOPUS:85018505886
VL - 53
SP - 540
EP - 547
JO - Inorganic Materials
JF - Inorganic Materials
SN - 0020-1685
IS - 5
ER -
ID: 10260578