Zobrazeno 1 - 10
of 11
pro vyhledávání: '"T. A. Onufrieva"'
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 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
Autor:
N. A. Zaitseva, Аlexander P. Tyutyunnik, Inna V. Baklanova, Тatiana I. Krasnenko, Rina F. Samigullina, Andrei N. Enyashin, T. A. Onufrieva
Publikováno v:
Materials Research Bulletin. 97:182-188
In the present study, the willemite-based Zn2-2xMn2xSiO4 solid solution has been produced by the high-temperature solid-state reaction. The powder samples were characterized by X-ray diffraction, UV–vis spectroscopy and optical emission spectroscop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b09b9390bc5efbbdba07bef1ffdf000b
https://doi.org/10.1016/j.materresbull.2017.09.008
https://doi.org/10.1016/j.materresbull.2017.09.008
Autor:
L. Yu. Buldakova, M. Yu. Yanchenko, E. V. Zabolotskaya, Rina F. Samigullina, N. A. Zaitseva, Inna V. Baklanova, T. A. Onufrieva, T. I. Krasnenko
Publikováno v:
Russian Journal of Physical Chemistry A. 91:1824-1827
Single-phase luminophor Zn2SiO4:V with willemite structure is prepared by hydrothermal method. It is found that the Zn: Si: V ratio between cations is 2: 0.9: 0.1. It is shown that the inclusion of vanadium in the willemite structure reduces the widt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2af3ea89f5d9d6706830718d86d9c1fb
https://doi.org/10.1134/s0036024417090163
https://doi.org/10.1134/s0036024417090163
Autor:
I. V. Nikolaenko, Rina F. Samigullina, N. A. Zaitseva, M. V. Rotermel, T. A. Onufrieva, T. I. Krasnenko, A. V. Ishchenko
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:269-274
A promising yellow phosphor, α-Zn2V2O7, was synthesized at temperatures below the phase transition temperature (610 ± 5°C) by three different methods: solid-phase and microwave processes and thermolysis of a water–salt composition. According to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b47b9c57a50eb03d7c33edb4bda4bc66
https://doi.org/10.1134/s0036023617030111
https://doi.org/10.1134/s0036023617030111
Autor:
Rina F. Samigullina, Аlexander P. Tyutyunnik, Тatiana I. Krasnenko, I. N. Gracheva, N. A. Zaitseva, T. A. Onufrieva
Publikováno v:
Materials Research Bulletin. 87:27-33
The monophase morphologically homogeneous phosphor α-Zn 2 SiO 4 :V has been produced by the hydrothermal method. With the use of energy-dispersive analysis and X-ray powder diffraction analysis, it was established that the ratio of cations Zn:Si:V c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c69eb047bdb3cb64d83dd30efe26b22f
https://doi.org/10.1016/j.materresbull.2016.11.009
https://doi.org/10.1016/j.materresbull.2016.11.009
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:168-171
A morphologically uniform single-phase crystal phosphor α-Zn2SiO4:V was prepared by one-pot hydrothermal synthesis. Energy dispersive analysis showed that a zinc silicate-base solid solution was formed with a vanadium content of 10 ± 1 at %. Its lu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b686c458fa9b5324a0fb645babf2b73c
https://doi.org/10.1134/s0036023617020218
https://doi.org/10.1134/s0036023617020218
Publikováno v:
Radiation Measurements. 90:33-37
Micro- and spongiform nanocrystalline Zn 2 V 2 O 7 compounds were synthesized by hydrothermal and solid-state reaction techniques, and their morphological features were investigated by scanning electron microscopy (SEM). The grain size ranges of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad836ed66dcdefb5df739e0878521520
https://doi.org/10.1016/j.radmeas.2016.01.030
https://doi.org/10.1016/j.radmeas.2016.01.030