Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Alma Dauletbekova"'
Autor:
Gulnara Aralbayeva, Gulnaz Sarsekhan, Aiman Akylbekova, Liudmila A. Vlasukova, Zein Baimukhanov, Vera Yuvchenko, Assyl-Dastan Bazarbek, Alma Dauletbekova, Gaukhar Kabdrakhimova, Abdirash T. Akilbekov
Publikováno v:
Crystals, Vol 14, Iss 8, p 730 (2024)
We report the effect of high-temperature treatment on the structure and photoluminescence of zinc selenite nanocrystals (ZnSeO3) deposited into SiO2/Si track templates. The templates were formed via irradiation with Xe ions (200 MeV, 108 ions/cm2) fo
Externí odkaz:
https://doaj.org/article/0ef9fe4898ea4eaba01f46254c7122d3
Autor:
Aiman Akylbekova, Alma Dauletbekova, Zein Baimukhanov, Liudmila A. Vlasukova, Abay Usseinov, Nuray Saduova, Abdirash T. Akilbekov, Vladimir A. Pankratov, Anatoli I. Popov
Publikováno v:
Materials, Vol 17, Iss 16, p 4149 (2024)
We report the results of synthesis of zinc selenide (ZnSe) nanocrystals into SiO2/Si track templates formed by irradiation with 200 MeV Xe ions up to a fluence of 107 ions/cm2. Zinc selenide nanocrystals were obtained by chemical deposition from the
Externí odkaz:
https://doaj.org/article/a11eca52edf34cc5be17249447a48349
Autor:
Talgat Inerbaev, Abdirash Akilbekov, Daurzhan Kenbayev, Alma Dauletbekova, Alexey Shalaev, Elena Polisadova, Marina Konuhova, Sergei Piskunov, Anatoli I. Popov
Publikováno v:
Materials, Vol 17, Iss 13, p 3340 (2024)
This study presents theoretical and experimental investigations into the electron and hole color centers in BaFBr crystals, characterizing their electronic and optical properties. Stoichiometric BaFBr crystals grown by the Steber method were used in
Externí odkaz:
https://doaj.org/article/1af7e3d84e934ef480ca92b6b135c9da
Autor:
Abdirash Akilbekov, Daurzhan Kenbayev, Alma Dauletbekova, Alexey Shalaev, Aiman Akylbekova, Gulnara Aralbayeva, Zein Baimukhanov, Muratbek Baizhumanov, Edgars Elsts, Anatoli I. Popov
Publikováno v:
Crystals, Vol 14, Iss 6, p 480 (2024)
Today, BaFBr crystals activated by europium ions are used as detectors that store absorbed energy in metastable centers. In these materials, the image created by X-ray irradiation remains stable in the dark for long periods at room temperature. As a
Externí odkaz:
https://doaj.org/article/6cc2f79c47a54ee18f9a890d0d7838b8
Autor:
Alexander Platonenko, Sergei Piskunov, Thomas C.-K. Yang, Jurga Juodkazyte, Inta Isakoviča, Anatoli I. Popov, Diana Junisbekova, Zein Baimukhanov, Alma Dauletbekova
Publikováno v:
Materials, Vol 17, Iss 10, p 2193 (2024)
We investigated the electronic structure of Mg-, Si-, and Zn-doped four-faceted [001]- and [110]-oriented SnO2 nanowires using first-principles calculations based on the linear combination of atomic orbitals (LCAO) method. This approach, employing at
Externí odkaz:
https://doaj.org/article/ee08d7810a8c42e4abcb54411e6bca20
Autor:
Zein Baimukhanov, Alma Dauletbekova, Diana Junisbekova, Valeriy Kalytka, Abdirash Akilbekov, Aiman Akylbekova, Guldar Baubekova, Gulnara Aralbayeva, Assyl-Dastan Bazarbek, Abay Usseinov, Anatoli I. Popov
Publikováno v:
Materials, Vol 17, Iss 6, p 1226 (2024)
Electrochemical deposition into a prepared SiO2/Si-p ion track template was used to make orthorhombic SnO2 vertical nanowires (NWs) for this study. As a result, a SnO2-NWs/SiO2/Si nanoheterostructure with an orthorhombic crystal structure of SnO2 nan
Externí odkaz:
https://doaj.org/article/de0db46b7b3445b984fff066e73f7876
Autor:
Alma Dauletbekova, Sergey Zvonarev, Sergey Nikiforov, Abdirash Akilbekov, Tatiana Shtang, Natalia Karavannova, Aiman Akylbekova, Alexey Ishchenko, Gulzhanat Akhmetova-Abdik, Zein Baymukhanov, Gulnara Aralbayeva, Guldar Baubekova, Anatoli I. Popov
Publikováno v:
Materials, Vol 17, Iss 6, p 1307 (2024)
Samples of ZrO2 ceramics with different concentrations of impurity titanium ions were synthesized by mixing zirconium and titanium oxide powders in different mass ratios. The X-ray diffraction analysis was used to determine the phase composition, lat
Externí odkaz:
https://doaj.org/article/b2fc689d987b46c4b1100af29b7c1be7
Autor:
Alexander Platonenko, Vladimir Pankratov, Eugene A. Kotomin, Alma Dauletbekova, Anatoli I. Popov
Publikováno v:
Crystals, Vol 14, Iss 2, p 161 (2024)
The vibrational and electronic properties of several basic radiation defects in potassium bromide are computed at the quantum mechanical level using a periodic supercell approach based on hybrid functionals, an all-electron Gaussian-type basis set, a
Externí odkaz:
https://doaj.org/article/4e50572dd7cf4390a26de461bef6670c
Autor:
Abdirash Akilbekov, Arseny Kiryakov, Alma Dauletbekova, Gulnara Aralbayeva, Aiman Akylbekova, Zhulduz Ospanova
Publikováno v:
Materials, Vol 17, Iss 2, p 344 (2024)
A synthetic single crystal of magnesium-aluminate spinel was irradiated perpendicularly to the (111) plane with swift heavy xenon ions with an energy of 220 MeV. The modified layer was attested based on Raman scattering spectra recorded while focusin
Externí odkaz:
https://doaj.org/article/76b7607ba3cf4b1a8a212e5b9f7798e8
Autor:
Sergey Nikiforov, Alma Dauletbekova, Maksim Gerasimov, Yana Kasatkina, Olga Denisova, Viktor Lisitsyn, Mikhail Golkovski, Aiman Akylbekova, Assyl-Dastan Bazarbek, Abdirash Akilbekov, Anatoli I. Popov
Publikováno v:
Crystals, Vol 13, Iss 11, p 1585 (2023)
Thermoluminescent (TL) properties of monoclinic zirconium dioxide ceramics were studied in order to assess the possibility of their use for measuring high doses (on the order of kGy) of pulsed electron beams (130 keV). Two types of samples were used:
Externí odkaz:
https://doaj.org/article/cfd1e32e0cfb43ff97a1101bc987d396