Zobrazeno 1 - 10
of 10
pro vyhledávání: '"A. V. Bryuzgina"'
Publikováno v:
Chimica Techno Acta, Vol 8, Iss 1 (2021)
YFe1-xСоxO3 solid solutions were prepared by glycerol-nitrate technique. The homogeneity range of solid solutions was studied within the temperature range 1173 – 1573 K. A continues series of solid solution below the decomposition temperature of
Externí odkaz:
https://doaj.org/article/26a0cbd44240415d97791359ade2e6d0
Crystal structure and oxygen nonstoichiometry of oxides in the Ba-Me-Me’-Y-O (Me, Me’=Co, Fe) system
Publikováno v:
Chimica Techno Acta, Vol 2, Iss 2, Pp 139-146 (2015)
Polycrystalline BaМe1-xYxO3-δ(Me=Co, Fe) samples were synthesized by a conventional route and glycerol–nitrate technique. According XRD patterns of single phase solid solutions BaCo1-xYxO3-δ (0.1≤x≤0.4) and BaFe0.9-yY0.1CoyO3-δ(0.05≤y≤0
Externí odkaz:
https://doaj.org/article/aeb9540eec004022b5ba0d048e766748
Publikováno v:
Inorganic Materials. 56:72-76
New phases with an ordered structure of the composition Y2Ba3Fe5– yCoyO13 + δ (1.7 ≤ y ≤ 2.1) were obtained via the glycerol-nitrate technique. The regions of existence of two types of structures were determined by transmission electron micros
Publikováno v:
Chimica Techno Acta, Vol 8, Iss 1 (2021)
Chimica Techno Acta; Том 8, № 1 (2021): PCEE-2020 Special Issue; 20218108
Chimica Techno Acta; Том 8, № 1 (2021): PCEE-2020 Special Issue; 20218108
Received: 14.03.2021. Revised: 10.04.2021. Accepted: 11.04.2021. Available online: 13.04.2021. YFe1-xСоxO3 solid solutions were prepared by glycerol-nitrate technique. The homogeneity range of solid solutions was studied within the temperature rang
Publikováno v:
Materials Letters. 251:78-80
Single phase Y2Ba3Fe3.1Co1.9O13+δ was prepared at 1373 K in air. According to X-ray diffraction (XRD) it possesses the tetragonal structure (sp.gr. P4/mmm); the unit cell parameters are: a = 3.895(1)A; c = 19.372(1)A. Electron diffraction has shown
Autor:
O. I. Lebedev, Vincent Caignaert, A. V. Bryuzgina, T. V. Aksenova, E.A. Kiselev, M. Yu. Mychinko, Vladimir A. Cherepanov, A.S. Urusova, Natalia E. Mordvinova
Publikováno v:
Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2017, 694, pp.375-382. ⟨10.1016/j.jallcom.2016.10.023⟩
Journal of Alloys and Compounds, 2017, 694, pp.375-382. ⟨10.1016/j.jallcom.2016.10.023⟩
Journal of Alloys and Compounds, Elsevier, 2017, 694, pp.375-382. ⟨10.1016/j.jallcom.2016.10.023⟩
Journal of Alloys and Compounds, 2017, 694, pp.375-382. ⟨10.1016/j.jallcom.2016.10.023⟩
International audience; The phase equilibria in the Y - Ba - Fe - O system were systematically studied at 1373 K in air. The intermediate phases formed in the Y - Ba - Fe - O system at 1373 K in air were Ba3YFe2O7.5+delta and BaFe1-xYxO3-delta. The c
Autor:
Oleg I. Lebedev, A. V. Bryuzgina, L. Ya. Gavrilova, M. Yu. Mychinko, K. M. Deryabina, Vladimir A. Cherepanov, A.S. Urusova, N.E. Volkova, B. Raveau
Publikováno v:
Russian Journal of General Chemistry / Zhurnal Obshchei Khimii
Russian Journal of General Chemistry / Zhurnal Obshchei Khimii, 2016, 86 (8), pp.1800-1804. ⟨10.1134/S1070363216080041⟩
Russian Journal of General Chemistry / Zhurnal Obshchei Khimii, MAIK Nauka/Interperiodica, 2016, 86 (8), pp.1800-1804. ⟨10.1134/S1070363216080041⟩
Russian Journal of General Chemistry / Zhurnal Obshchei Khimii, 2016, 86 (8), pp.1800-1804. ⟨10.1134/S1070363216080041⟩
Russian Journal of General Chemistry / Zhurnal Obshchei Khimii, MAIK Nauka/Interperiodica, 2016, 86 (8), pp.1800-1804. ⟨10.1134/S1070363216080041⟩
International audience; Formation of five-layered Ln 2–ε Ba 3+ε Fe 5 O 15–δ phases [exhibiting nanoscale ordering with layer-by-layer location of the cations in the Ln–Ba–(Ln,Ba)–(Ln,Ba)–Ba–Ln perovskite-type structure] has occurred
Publikováno v:
Mater Res Bull
Materials Research Bulletin
Materials Research Bulletin
BaFe 0.9-x Y 0.1 Co x O 3-δ (0 ≤ x ≤ 0.15) is shown to adopt the cubic perovskite structure at temperatures up to 1400 K in air. The oxygen vacancy concentration increases with both cobalt content and temperature, with BaFe 0.75 Y 0.1 Co 0.15 O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81ceb64a838cfd374f964831f2f2c474
https://hdl.handle.net/10995/102214
https://hdl.handle.net/10995/102214
Publikováno v:
Chimica Techno Acta, Vol 2, Iss 2, Pp 139-146 (2015)
The crystal structure and physicochemical properties of complex cobalt oxides in the Ba-Me-Me’-Y-O (Me, Me’=Co, Fe) system were studied in present work. Введение иттрия в подрешетку кобальта или железа п
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c52ae7039e35b39fe2feca43846ae34
https://hdl.handle.net/10995/31828
https://hdl.handle.net/10995/31828