Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yu. G. Denisenko"'
Autor:
Yu. G. Denisenko, E. I. Sal’nikova, S. A. Basova, M. S. Molokeev, A. S. Krylov, A. S. Aleksandrovsky, A. S. Oreshonkov, V. V. Atuchin, S. S. Volkova, N. A. Khritokhin, O. V. Andreev
Publikováno v:
Molecules, Vol 25, Iss 6, p 1330 (2020)
The oxidation process of samariumoxysulfide was studied in the temperature range of 500−1000 °C. Our DTA investigation allowed for establishing the main thermodynamic (∆Hºexp = −654.6 kJ/mol) and kinetic characteristics of the process (Ea = 2
Externí odkaz:
https://doaj.org/article/4f387a8bed2e40acbe133fc65264d4a6
Publikováno v:
Inorganic Materials. 58:516-524
Autor:
Yu. G. Denisenko, Svetlana S. Volkova, Oleg V. Andreev, Nikolay A. Khritokhin, Nikita O. Azarapin
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:7-12
The europium oxysulfate crystal structure was solved by X-ray powder diffraction. The compound crystallizes in monoclinic crystal system. The unit cell parameters are a = 13.6952(1) A, b = 4.1929(4) A, c = 8.1393(2) A, β = 107.455(4)°, space group
Autor:
Alexander S. Krylov, Victor V. Atuchin, Oleg V. Andreev, N.P. Shestakov, Aleksandr S. Aleksandrovsky, Maxim S. Molokeev, Yu. G. Denisenko, Aleksandr S. Oreshonkov
Publikováno v:
Journal of Industrial and Engineering Chemistry. 68:109-116
Eu2(SO4)3 was synthesized by chemical precipitation method and the crystal structure was determined by Rietveld analysis. The compound crystallizes in monoclinic space group С2/с. In the air environment, Eu2(SO4)3 is stable up to 670 °C. The sampl
Autor:
Elena. I. Sal’nikova, Yu. G. Denisenko, Oleeg. V. Andreev, Jacques K. Fatombi, Sèmiyou A. Osseni
Publikováno v:
Journal of Nanostructure in Chemistry, Vol 7, Iss 4, Pp 337-343 (2017)
We have proposed an optimized homogeneous precipitation method for the synthesis of spherical and well-dispersed pure Ln2O2SO4 (Ln = Gd, Ho, Dy and Lu) nanoparticles (NPs) using synthesized lanthanide sulfates and urea as starting materials. Ln2O2SO4
Autor:
A.A. Polkovnikov, S.A. Basova, E.I. Sal’nikova, Yu. G. Denisenko, Oleg V. Andreev, Nikolay A. Khritokhin
Publikováno v:
Journal of Solid State Chemistry. 255:219-224
Reactions of europium sulfates Eu 2 (SO 4 ) 3 ·8H 2 O and EuSO 4 complete decomposition were studied by Simultaneous Thermal Analysis. It was revealed that one-step dehydratation of Eu 2 (SO 4 ) 3 ·8H 2 O crystallohydrate is accompanied by the form
Publikováno v:
Inorganic Materials. 53:200-206
Sequentially exposing coprecipitated yttrium, ytterbium, and erbium sulfates to flowing H2 at 500–600°C for 6 h and then to flowing H2S at 1000°C for ≤7 h, we obtained single-phase samples of the following solid solutions: (1) (Y0.97Er0.02Yb0.0
Autor:
Yu. G. Denisenko, Aleksandr S. Oreshonkov, Ilya E. Kolesnikov, Nikita O. Azarapin, Erkki Lähderanta, Oleg V. Andreev, S.A. Basova, A.A. Gubin, E.I. Sal’nikova
Publikováno v:
Journal of Solid State Chemistry. 293:121753
Solid solutions of oxysulfides (RE0.95Ln0.05)2O2S (RE = La, Y; Ln = Ho, Tm) were obtained by hydrogen reduction of the co-precipitated sulfates followed by sulfidation of the reaction products. The crystal chemical characteristics of the obtained com
Publikováno v:
Russian Journal of Inorganic Chemistry. 61:296-301
Reactions of cerium sulfate and europium sulfate with hydrogen have been studied. Diagrams showing the evolution of phase composition of the polycrystalline products of reaction between europium sulfate and hydrogen are constructed. The reaction of C
Autor:
Maxim S. Molokeev, E.I. Sal’nikova, Svetlana S. Volkova, Alexander S. Krylov, Yu. G. Denisenko, N. A. Khritokhin, Oleg V. Andreev, Victor V. Atuchin, Aleksandr S. Oreshonkov, S.A. Basova, Aleksandr S. Aleksandrovsky
Publikováno v:
Molecules, Vol 25, Iss 6, p 1330 (2020)
Molecules
Volume 25
Issue 6
Molecules
Volume 25
Issue 6
The oxidation process of samariumoxysulfide was studied in the temperature range of 500&ndash
1000 °
C. Our DTA investigation allowed for establishing the main thermodynamic (∆Hº
exp = &minus
654.6 kJ/mol) and kinetic cha
1000 °
C. Our DTA investigation allowed for establishing the main thermodynamic (∆Hº
exp = &minus
654.6 kJ/mol) and kinetic cha