Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Nikolay A. Kalanda"'
Magnetic properties of Sr1.5La0.5FeMoO6-δ depending on the phase composition of the reaction mixture
Autor:
Marta V. Yarmolich, Nikolay A. Kalanda, Alexander V. Petrov, Dmitry A. Kiselev, Nikolay A. Bosak
Publikováno v:
Modern Electronic Materials, Vol 9, Iss 4, Pp 169-176 (2023)
This paper presents investigations of phase transformations during the crystallization of Sr1.5La0.5FeMoO6-δ by the solid-phase technique from a stoichiometric mixture of oxides MoO3, La2O3 and Fe2O3 and SrCO3 and precursors Sr0.5La0.5FeO3 and SrMoO
Externí odkaz:
https://doaj.org/article/ca6e7b9bf58e4f4fae3c3fcc28df7ea5
Autor:
Nikolay A. Kalanda, Marta V. Yarmolich, Alexander V. Petrov, Olga Yu. Ponomareva, Karine K. Abgaryan, Nguyen Huy Dan
Publikováno v:
Modern Electronic Materials, Vol 9, Iss 1, Pp 1-7 (2023)
In this article, a consistent study of phase transformations during the crystallization of YBa2Cu3O7-δ compound was carried out using XRD, thermogravimetric and differential thermal analyzes, as well as optical microscopy. When studying the microstr
Externí odkaz:
https://doaj.org/article/6d781cfcb7af4a8db18d4a5500d6bb3b
Autor:
Alexander L. Gurskii, Nikolay A. Kalanda, Marta V. Yarmolich, Alexander V. Petrov, Petr N. Kireev, Deleg Sangaa, Ping-Zhan Si
Publikováno v:
Modern Electronic Materials, Vol 8, Iss 3, Pp 113-121 (2022)
Based on the data of thermogravimetric analysis the values of the oxygen index (3-δ) in the manganite of the La0.7Sr0.3Mn0.9Fe0.1O3-δ composition, obtained by solid-phase reaction technique, have been calculated. The analysis of oxygen sorption-des
Externí odkaz:
https://doaj.org/article/47e625d89cf74752a1cdce30f9370470
Autor:
Nikolay A. Kalanda, Marta V. Yarmolich, Alexander L. Gurskii, Alexander V. Petrov, Aliaksandr L. Zhaludkevich, Oleg V. Ignatenko, Maria Serdechnova
Publikováno v:
Modern Electronic Materials, Vol 7, Iss 4, Pp 141-149 (2021)
In this work, solid solutions of La0.7Sr0.3Mn0.95Fe0.05O3-δ with different oxygen content were obtained by the solid-phase reactions technique. Based on the investigation of the dynamics of changes in the oxygen index (3 – δ) during heating of th
Externí odkaz:
https://doaj.org/article/21335f9dd4904f6d8cb46345ce9ec653
Autor:
Nikolay A. Kalanda
Publikováno v:
Modern Electronic Materials, Vol 6, Iss 2, Pp 53-57 (2020)
The influence of thermocycling annealing processes on the oxygen ordering degree (order parameter) in YBa2Cu3O7-δ single crystals has been studied. It has been shown that an increase in the critical onset temperature of the transition to the superco
Externí odkaz:
https://doaj.org/article/d1cac30d0aa44982ba5268a371bf75dd
Autor:
Nikolay A. Kalanda
Publikováno v:
Modern Electronic Materials, Vol 4, Iss 1, Pp 1-5 (2018)
Polycrystalline Sr2FeMoO6-δ specimens have been obtained by solid state synthesis from partially reduced SrFeO2,52 and SrMoO4 precursors. It has been shown that during oxygen desorption from the Sr2FeMoO6-δ compound in polythermal mode in a 5%H2/Ar
Externí odkaz:
https://doaj.org/article/950ab849a72b41328f9428a43be1edba
Autor:
Alexander V. Petrov, Jan Macutkevic, Juras Banys, Nikolay A. Kalanda, Leonid I. Gurskii, Alexander V. Solnyshkin, Artyom O. Plyushch, Polina P. Kuzhir, Nikolai A. Sobolev
Publikováno v:
Modern Electronic Materials, Vol 3, Iss 1, Pp 26-31 (2017)
Ferrimagnetic-ferroelectric composite materials on the base of Pb0.85Zr0.53Ti0.47O3– Sr2FeMoO6–δ (PZT-SFMO) compounds have been prepared by a complex ceramic technology and a modified sol-gel synthesis. The dielectric properties of the PZT-SFMO
Externí odkaz:
https://doaj.org/article/8512b45df64a485f9eac5a8ec8f37ce5
Autor:
Marta V. Yarmolich, Nikolay A. Kalanda, Ivan А. Svito, Aliaksandr L. Zhaludkevich, Nikolai A. Sobolev
Publikováno v:
Modern Electronic Materials, Vol 2, Iss 4, Pp 106-111 (2016)
Monophasic iron ferromolybdate nanopowders with a double perovskite structure have been synthesized using the citrate-gel technique at pH=4. A superstructural ordering degree of the iron and molybdenum cations of 88% has been obtained. X-ray diffract
Externí odkaz:
https://doaj.org/article/c055f4e8c00343e0906c728ae0505bc2