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pro vyhledávání: '"O.M. Gajtko"'
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Akademický článek
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Publikováno v:
Advanced Powder Technology. 32:175-185
A route for production of fine Bi4Ge3O12 (BGO) powder is sought after to lower the cost of scintillation devices and make their shapes more versatile. A systematic study of highly dispersed BGO crystallization under the hydrothermal-microwave (HTMW)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4699106a34fcc24e5b9077e8181ae0c0
https://doi.org/10.1016/j.apt.2020.11.028
https://doi.org/10.1016/j.apt.2020.11.028
Autor:
O.M. Gajtko, Alexander V. Agafonov, Alexander E. Baranchikov, Vladimir Ivanov, A. S. Kraev, A. V. Egorysheva
Publikováno v:
Russian Journal of Inorganic Chemistry. 65:1253-1263
A comparative analysis has been made for the dielectric and electrorheological properties of suspensions of highly dispersed powders of bismuth ferrites BiFeO3 and Bi2Fe4O9 in polydimethylsiloxane PMS-300. Dielectric characteristics (dielectric const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ac7aa8926de46bcbadf314eee4586dc
https://doi.org/10.1134/s0036023620080045
https://doi.org/10.1134/s0036023620080045
Autor:
S.V. Golodukhina, O.M. Gajtko, Roman Svetogorov, A.L. Trigub, Andrey V. Khoroshilov, A. V. Egorysheva, A. V. Tyurin
Publikováno v:
Ceramics International. 46:7413-7420
The layered oxide BiGeSbO6 has been synthesized for the first time via solid state reaction. Rietveld refinement showed that BiGeSbO6 belongs to PbSb2O6 structural type (P-31m space group) with unit cell parameters a = 5.1314(9), c = 4.9974(1) A, α
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a378fc260ccadd65978baccbe61ccf0
https://doi.org/10.1016/j.ceramint.2019.11.237
https://doi.org/10.1016/j.ceramint.2019.11.237
Autor:
A. V. Egorysheva, O.M. Gajtko, Alexander V. Agafonov, Alexander E. Baranchikov, T. V. Kusova, Vladimir Ivanov, A. S. Kraev
Publikováno v:
Powder Technology. 360:96-103
We report on the first experimental evidence of the electrorheological effect in suspensions of superfine pyrochlore-type Bi1.8Fe1.2SbO7 powders. Tensile-compressive and shear stress studies of the electrorheological fluids, with various filler conte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0b970afb96675d436ffb488d2231b6c
https://doi.org/10.1016/j.powtec.2019.10.027
https://doi.org/10.1016/j.powtec.2019.10.027
Autor:
Branko Matović, Jelena Lukovic, O.M. Gajtko, Marina Rumyantseva, Olga S. Ivanova, Alexander E. Baranchikov, Lili Yang, Dejan Zagorac, Vladimir Ivanov, Khursand E. Yorov, T. O. Shekunova
Publikováno v:
Processing and Application of Ceramics
Processing and Application of Ceramics, Vol 14, Iss 4, Pp 282-292 (2020)
Processing and Application of Ceramics, Vol 14, Iss 4, Pp 282-292 (2020)
This study shows excellent NO2-sensing properties of tungsten oxide nanoparticles, prepared using a facile procedure which includes dissolution of metallic tungsten in hydrogen peroxide with subsequent low-temperature (400 ?C) heating. We also conduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9833f842fa5f928d306f33bb093b8655
https://doi.org/10.2298/pac2004282m
https://doi.org/10.2298/pac2004282m
Publikováno v:
Inorganic Materials. 55:1250-1256
A novel process has been developed for the preparation of Bi4Ge3O12 (BGO) by self-propagating high-temperature synthesis. In this method, microwave radiation is used for the first time to heat organic fuel (urea), which allows its decomposition to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02b12cd34a8cda0841a626376d3e55d0
https://doi.org/10.1134/s0020168519120148
https://doi.org/10.1134/s0020168519120148
Autor:
D. I. Kirdyankin, S.V. Golodukhina, E. Yu. Liberman, O.G. Ellert, O.M. Gajtko, A. V. Egorysheva
Publikováno v:
Inorganic Materials. 55:1257-1263
(Ln1.8Fe0.2)FeSbO7 (Ln = Pr–Tb) mixed oxides have been synthesized via coprecipitation followed by annealing. According to Rietveld refinement results, all of the oxides have the pyrochlore structure (sp. gr. Fd$$\bar {3}$$mz). The (Ln1.8Fe0.2)FeSb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4da86432162fa4075916f5f4d2632e19
https://doi.org/10.1134/s0020168519120033
https://doi.org/10.1134/s0020168519120033
Autor:
A. V. Egorysheva, O.M. Gajtko, E. F. Popova, Andrey V. Khoroshilov, A. V. Tyurin, Roman Svetogorov
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:1342-1353
The existence of a wide range of pyrochlore-like (PL) Ln2FeTaO7 compounds (Ln = Pr–Yb, including Y) with a hexagonal structure (space group R$$\overline{3}$$) was shown. Two new low-temperature methods for the synthesis of Ln2FeTaO7 were developed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::058ba823e2d7d58142a76d9e15e8c65c
https://doi.org/10.1134/s0036023619110056
https://doi.org/10.1134/s0036023619110056