Zobrazeno 1 - 10
of 78
pro vyhledávání: '"A. L. Sednev"'
Autor:
Dmitry S. Tsvetkov, Vladimir V. Sereda, Dmitry A. Malyshkin, Anton L. Sednev-Lugovets, Andrey Yu. Zuev, Ivan L. Ivanov
Publikováno v:
Chimica Techno Acta, Vol 7, Iss 2, Pp 42-50 (2020)
A linear relationship between the standard enthalpy of formation from binary oxides, ΔfHox, and the Goldschmidt tolerance factor, t, for some AIIBIVO3 (A = Ca, Sr, Ba; B = Ti, Zr, Hf, Ce, Pr, Tb, U, Pu, Am) perovskite oxides was used for estimation
Externí odkaz:
https://doaj.org/article/bf36cdd869474e019af3646661d7906f
Autor:
A. L. Sednev, D. S. Tsvetkov
Publikováno v:
Chimica Techno Acta, Vol 4, Iss 3, Pp 183-190 (2017)
The chemical interaction of YCoO3-δ and BaCoO3-δ with formation of double perovskite was studied depending on temperature and oxygen partial pressure. The stability of YCoO3 was shown to have а crucial influence on the kinetics and mechanism of YB
Externí odkaz:
https://doaj.org/article/b502f91c17ce468fbb8157edb393e0db
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
The thermodynamic stability of the double perovskite YBaCo2O6−δ was studied using the coulometric titration technique and verified by measurements of the overall conductivity depending on oxygen partial pressure at a given temperature. As a result
Externí odkaz:
https://doaj.org/article/8e9b8b0534c6426abc23daffd2bd6df9
Autor:
Dmitry Malyshkin, A. Yu. Zuev, I.L. Ivanov, Vladimir V. Sereda, Dmitry S. Tsvetkov, Anton L. Sednev-Lugovets
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 142:1989-2001
Complex perovskites BaCa(1 + y)/3Nb(2 − y)/3O3 − δ (y = 0, 0.18 and 0.5) with 1:1-ordered structure ( $$ Fm\bar{3}m $$ space group) were synthesized by standard ceramic technique. The enthalpy increments for these oxides were measured in the tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae2978d7ea19e328f8d66fc768aa340
https://doi.org/10.1007/s10973-020-09852-z
https://doi.org/10.1007/s10973-020-09852-z
Autor:
Vladimir V. Sereda, Anton L. Sednev-Lugovets, Andrey Yu. Zuev, Dmitry S. Tsvetkov, I.L. Ivanov, Dmitry Malyshkin
Publikováno v:
Chimica Techno Acta; Том 7, № 2 (2020); 42-50
Chimica Techno Acta, Vol 7, Iss 2, Pp 42-50 (2020)
Chimica Techno Acta, Vol 7, Iss 2, Pp 42-50 (2020)
A linear relationship between the standard enthalpy of formation from binary oxides, Δ f H ox , and the Goldschmidt tolerance factor, t , for some A II B IV O 3 (A = Ca, Sr, Ba; B = Ti, Zr, Hf, Ce, Pr, Tb, U, Pu, Am) perovskite oxides was used for e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66edbae5b379ab78afc678a7dbc939b1
https://journals.urfu.ru/index.php/chimtech/article/view/4468
https://journals.urfu.ru/index.php/chimtech/article/view/4468
Autor:
Dmitry A. Malyshkin, Vladimir V. Sereda, Anton L. Sednev-Lugovets, Ivan L. Ivanov, Dmitry S. Tsvetkov, Andrey Yu. Zuev
Publikováno v:
Journal of The Electrochemical Society. 169:024511
The defect structure model of La0.5Ba0.5CoO3–δ was successfully verified using a combined set of coulometric and thermogravimetric data. The results were used to model the dependences of Seebeck coefficient, measured vs T and pO2 simultaneously wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a04bf54cc9903dbdaa858a75488467d
https://doi.org/10.1149/1945-7111/ac4dab
https://doi.org/10.1149/1945-7111/ac4dab
Autor:
Aleksey A. Titov, Nikita L. Sednev, Andrey N. Enyashin, Alexander Titov, Eugeny I. Patrakov, Svetlana G. Titova, A.S. Volegov
Publikováno v:
The Journal of Physical Chemistry Letters. 9:5183-5188
Composite single crystals consisting of nanoscaled Fe3Se4 inclusions encapsulated into the interlayer space of TiSe2 matrix were obtained by the decay of homogeneous Fe0.5TiSe2 intercalation compound. These composites have a high magnetic anisotropy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::451588de95a6029ef038c3f2101b1cc4
https://doi.org/10.1021/acs.jpclett.8b02340
https://doi.org/10.1021/acs.jpclett.8b02340
Autor:
I.L. Ivanov, Dmitry S. Tsvetkov, Dmitry Malyshkin, Vladimir V. Sereda, Andrey Yu. Zuev, Antoine Maignan, Anton L. Sednev-Lugovets
Publikováno v:
The Journal of Chemical Thermodynamics. 161:106523
Using the drop calorimetry and differential scanning calorimetry (DSC), the enthalpy increments of pure PrBaCo2O6-δ double perovskite in air in the temperature range from 365.3 K to 1272.8 K were obtained. As-measured enthalpy increments corresponde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b725bb4a4585c1895f1a091eadd9b77
https://doi.org/10.1016/j.jct.2021.106523
https://doi.org/10.1016/j.jct.2021.106523
Autor:
Dmitry S. Tsvetkov, A. Yu. Zuev, R.E. Yagovitin, Vladimir V. Sereda, Antoine Maignan, Anton L. Sednev-Lugovets
Publikováno v:
Thermochimica Acta. 698:178886
The defect structure analysis of the oxygen deficient YBaCo2O6-δ double perovskite cobaltite confirms that the model proposed earlier for RBaCo2O6-δ (R – Pr, Gd, La) holds also for YBaCo2O6-δ. In particular, a good agreement between the pO2(T,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baa092a19d688b025b34751360a7a618
https://doi.org/10.1016/j.tca.2021.178886
https://doi.org/10.1016/j.tca.2021.178886
Autor:
Andrey Yu. Zuev, Dmitry S. Tsvetkov, Dmitry Malyshkin, Vladimir V. Sereda, Anton L. Sednev-Lugovets
Publikováno v:
Thermochimica Acta. 694:178802
A new high-temperature (up to at least 1273 K) setup for inverse drop calorimetry was designed and assembled. This calorimeter uses a differential thermopile as a heat-flow sensor. The thermopile design features significant number of thermocouple jun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a17239e9d192b9b43e856a1f151e10f1
https://doi.org/10.1016/j.tca.2020.178802
https://doi.org/10.1016/j.tca.2020.178802