Zobrazeno 1 - 10
of 127
pro vyhledávání: '"O. V. Rakhimova"'
Autor:
T. A. Tsyganova, O. V. Rakhimova
Publikováno v:
Glass Physics and Chemistry. 47:692-696
Autor:
T. A. Tsyganova, O. V. Rakhimova
Publikováno v:
Glass Physics and Chemistry. 47:66-69
The article presents the results of a study of the biological activity of porous high-silica glass obtained based on two-phase alkali borosilicate glass. The test results show that the toxicity of the investigated porous glass (PG) in relation to Par
Publikováno v:
Glass Physics and Chemistry. 45:298-301
The results of studying the structural parameters and strength characteristics of a bioactive membrane are presented. The membrane was obtained based on high-silica glass via modification with silicon polyoxomolybdate. The membrane strength character
Development of the Physicochemical Properties of the GaSb(100) Surface in Ammonium Sulfide Solutions
Autor:
P. A. Dementev, Mikhail V. Lebedev, Irina V. Sedova, O. V. Rakhimova, Aleksandr L. Shakhmin, T. V. Lvova
Publikováno v:
Semiconductors. 53:892-900
Various conditions of passivation of the GaSb(100) surface by ammonium sulfide ((NH4)2S) solutions depending on the solution concentration, solvent, and treatment time are investigated by X-ray photoelectron spectroscopy and atomic-force microscopy.
Publikováno v:
Journal of Physics: Conference Series. 2315:012004
The toxicity of high-silica porous glasses in relation to Paramecium caudatum was investigated. The test results showed a generally acceptable toxicity range. The toxicity of porous glasses varies depending on the concentration and time of contact of
Publikováno v:
Moscow University Physics Bulletin. 73:199-204
In this paper, the layers of quantum silicon nanowires produced on highly-doped wafers were studied via the Raman spectroscopy and IR reflection spectroscopy methods. The porosity of layers of different thickness has been determined from IR spectrosc
Publikováno v:
Glass Physics and Chemistry. 44:654-656
The possibility of controlling the content and ratio of Bronsted acid to Lewis base centers on the surface of high-silica porous glass (PG) with various compositions based on two-phase alkali-borosilicate glass by varying the conditions of the prepar
Publikováno v:
Glass Physics and Chemistry. 43:615-617
The kinetics of polycondensation in solutions during the liquid-phase synthesis of ceramic material precursors based on a SrO–B2O3–SiO2 system are studied by spectrophotometry. The ratio between the quantitative content of tetraethoxysilane and t
Publikováno v:
Journal of Physics: Conference Series. 1695:012035
Passivation of the n-InP(100) surface with an aqueous solution of sodium sulphide (Na2S) has been investigated by spectroscopic photoluminescence (PL). After sulphide treatment the PL signal intensity of InP increased significantly and this increase
Publikováno v:
Glass Physics and Chemistry. 42:214-217
The spectrophotometric differential kinetic method of determination of silicon and germanium based on a difference in the kinetic parameters in the presence of each other the same analytical form in GeO2–SiO2 systems is described. The possibility o