Zobrazeno 1 - 10
of 47
pro vyhledávání: '"T. I. Krasnenko"'
Publikováno v:
Chimica Techno Acta, Vol 5, Iss 4, Pp 205-209 (2018)
The pigment Zn1.9Cu0.1SiO4 was obtained by the method of sol-gel synthesis. The crystallization temperature was set at 776 °C, ∆H ≈ -16.3 kJ/mol. Thermal expansion of the individual Zn2SiO4 and Zn1.9Cu0.1SiO4 solid solutions was studied by in si
Externí odkaz:
https://doaj.org/article/9437d528dec144818308d43072e74e94
Publikováno v:
Chimica Techno Acta, Vol 5, Iss 1, Pp 86-91 (2018)
A new previously unknown effect of a reversible transition from a single-phase system to a heterophase system containing a non-autonomous phase was observed during thermal and chemical deformations of the Zn2-2xCd2xV2O7 structure.The role of local sy
Externí odkaz:
https://doaj.org/article/76881bd3c8ac4366a5645c607c5a19e5
Autor:
Inna V. Baklanova, Rina F. Samigullina, I. V. Ivanova, T. I. Krasnenko, E. V. Vladimirova, M. V. Rotermel
Publikováno v:
Journal of Sol-Gel Science and Technology. 100:404-413
The Zn1.9Cu0.1SiO4 pigment was obtained by two variants of “soft” chemistry methods: using sol–gel synthesis in ethanol from TEOS and zinc and copper acetates and by coprecipitation of hydroxosilicate from an aqueous solution of zinc acetate an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8240ac12609ecf461ce2ca521968e34e
https://doi.org/10.1007/s10971-021-05648-1
https://doi.org/10.1007/s10971-021-05648-1
Publikováno v:
Russian Journal of Physical Chemistry A. 93:976-979
The effect the doping of Zn2 – 2xMn2xSiO4 (х ≤ 0.2) luminophor with magnesium has on the charge state of manganese and the nature of the quenching of luminescence is examined. It is estimated that introducing magnesium ions and raising their con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f489349efc4758feaec688386b26d3e
https://doi.org/10.1134/s0036024419050340
https://doi.org/10.1134/s0036024419050340
Autor:
T. A. Onufrieva, I. D. Popov, M. V. Rotermel, I. V. Ivanova, N. A. Zaitseva, Rina F. Samigullina, Inna V. Baklanova, T. I. Krasnenko
Publikováno v:
Physics of the Solid State. 61:806-810
The analysis of the unified series of single-phase Zn2 – 2xMn2xSiO4 samples (x ≤ 0.2) has provided the possibility to determine the optimal dopant concentration x = 0.13 for the maximum luminescence intensity. It has been established that the dom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17411f24b39117361317a70fecb19ca3
https://doi.org/10.1134/s1063783419050238
https://doi.org/10.1134/s1063783419050238
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:1-6
Solid solution Zn2−2xCu2xSiO4 with the willemite structure has been synthesized by the proposed solid-phase synthesis procedure. It is shown that the maximum annealing temperature is 1030 ± 1°C because of the decomposition of CuO. The extent of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea3b67e52d507c725a786cd6d6559010
https://doi.org/10.1134/s0036023619010224
https://doi.org/10.1134/s0036023619010224
Publikováno v:
Chimica Techno Acta, Vol 5, Iss 4, Pp 205-209 (2018)
Chimica Techno Acta; Том 5, № 4 (2018): Специальный Выпуск; 205-209
Chimica Techno Acta; Том 5, № 4 (2018): Специальный Выпуск; 205-209
Received: 06.12.2018. Accepted: 21.12.2018. Published: 31.12.2018. The pigment Zn1.9Cu0.1SiO4 was obtained by the method of sol-gel synthesis. The crystallization temperature was set at 776 °C, ΔH ≈ –16.3 kJ / mol. Thermal expansion of the indi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86f8e8bcb4956294619e49a281537a99
https://doi.org/10.15826/chimtech.2018.5.4.05
https://doi.org/10.15826/chimtech.2018.5.4.05
Publikováno v:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 12:1170-1175
A set of X-ray diffraction data on the crystal-lattice transformations of the α-Cu2V2O7 phase demonstrates that, in regions with an anomalous negative and near-zero volumetric thermal expansion, both vanadium‒oxygen and copper‒oxygen sublattices
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2ed32c5543f5eec445d3707d533d737
https://doi.org/10.1134/s102745101805066x
https://doi.org/10.1134/s102745101805066x
Publikováno v:
Russian Journal of Physical Chemistry A. 92:1413-1416
The region of homogeneity in a solid solution of the nominal composition Zn2 – 2xMn2xSiO4 (х ≤ 0.21 ± 0.01) is determined. A comparison of the values of the pycnometric and X-ray densities for the compositions with x ≥ 0.13 ± 0.01 indicates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1855b6ebf3bc59c0b114c67170fd2c89
https://doi.org/10.1134/s003602441807021x
https://doi.org/10.1134/s003602441807021x
Autor:
E. V. Zabolotskaya, T. I. Krasnenko, N. A. Zaitseva, Julia A. Barykina, Rina F. Samigullina, T. A. Onufrieva
Publikováno v:
Materials Chemistry and Physics. 209:107-111
Investigation of magnetic susceptibility and electron paramagnetic resonance of the samples from the region of solid solution Zn2–2xMn2xSiO4 shows that at x ≤ 0.1 the oxidation state of all manganese ions is +2. At x ≥ 0.2, manganese is present
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70083c67e25e2b8d040db7fa4406ab7a
https://doi.org/10.1016/j.matchemphys.2018.01.071
https://doi.org/10.1016/j.matchemphys.2018.01.071