Zobrazeno 1 - 10
of 30
pro vyhledávání: '"G. G. Guseinov"'
Autor:
G. G. Guseinov
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 31, Iss 4, Pp 38-44 (2016)
Effective thermal conductivity of the porous glasses saturated with the carbon dioxide, n – hexane, and oil has been researcher in the temperature intervals from 290 K to 380 K and at the pressures from 1.333Pa to 18.7 MPa.Heat passage mechanisms h
Externí odkaz:
https://doaj.org/article/d1c8a527a1e44f56a281f07dea468bff
Publikováno v:
Crystallography Reports. 64:883-886
Polycrystals of CuGaIn2Se5 solid solution have been synthesized for the first time. X-ray diffraction analysis revealed that the sample studied is crystallized in the tetragonal system with the lattice parameters а = 5.6689(2) A, с = 11.3289(7) A,
Publikováno v:
Crystallography Reports. 62:210-214
The Сu2Te compound has been synthesized by alloying Сu and Te taken in stoichiometric ratios. A Сu2Te sample has been homogenized by annealing at 773 K for 100 h. A pure copper phase in the form of thin filaments is found to segregate from the syn
Publikováno v:
Crystallography Reports. 61:1047-1050
Ternary compound Cu4SSe has been first synthesized by alloying the Cu, S, and Se elements taken in stoichiometric ratios. An X-ray diffraction study of polycrystalline samples has revealed the synthesized material to be crystallized into the trigonal
Publikováno v:
Crystallography Reports. 61:35-38
A solid solution of the GaIn3Se6 (2Ga0.5In1.5Se3) composition with a hexagonal lattice (a = 7.051(3) A, c = 19.148(2) A, sp. gr. P61, z = 6, V = 824.4332(4) A3, ρ = 5.379(2) g/cm3) has been synthesized as a result of alloying Ga, In, and Se elements
Publikováno v:
Inorganic Materials. 51:661-664
Phase transitions of powder Cu4SeTe have been studied by high-temperature X-ray diffraction in the temperature range 300–1125 K. The results demonstrate that the low-temperature, hexagonal phase α-Cu4SeTe (a = 4.1880 A, c = 41.8531 A, V = 636.71 A
Publikováno v:
Crystallography Reports. 59:1084-1087
Structural phase transitions in rubidium nitrate under normal pressure and in a vacuum (under residual pressures of 8 × 10−1, 8 × 10−2, and 8 × 10−3 Torr) were investigated using high-temperature X-ray diffraction. It is found that three tra
Publikováno v:
Crystallography Reports. 60:841-843
Rb2Na(NO3)3 single crystals have been investigated by X-ray diffraction. It is established that the orthorhombic structure of the crystal is retained in the temperature range of 100–450 K. Polymorphic transformations, typical of pure rubidium nitra
Publikováno v:
Inorganic Materials. 49:28-32
TlInSe2-rich TlInSe2-Se alloys (0–10 mol % Se) have been studied by X-ray diffraction. In the composition range 2.0–6.0 mol % Se, the TlInSe2-based α-solid solutions decompose by a peritectoid reaction at 363 K. The space group of the (TlInSe2)0
Autor:
O. B. Tagiev, A. N. Georgobiani, G. G. Guseinov, T. G. Kerimova, B. G. Tagiev, S. G. Asadullaeva
Publikováno v:
Inorganic Materials. 46:456-459
The structure of undoped and europium-doped ZnGa2Se4 has been studied, and the interplanar spacings, the Miller indices of the observed reflections, and their relative intensities have been determined. The photoluminescence spectra of ZnGa2Se4 and Zn