Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Vladimir Pankratov"'
Autor:
Yana Suchikova, Sergii Kovachov, Ihor Bohdanov, Marina Konuhova, Yaroslav Zhydachevskyy, Kuat Kumarbekov, Vladimir Pankratov, Anatoli I. Popov
Publikováno v:
Crystals, Vol 14, Iss 7, p 633 (2024)
This study focuses on the wet chemical synthesis of AlxGa1−xAs nanostructures, highlighting how different deposition conditions affect the film morphology and material properties. Electrochemical etching was used to texture GaAs substrates, enhanci
Externí odkaz:
https://doaj.org/article/7c8e5ba4880a440ebcd779fddd97aa88
Autor:
Dmitriy Sofich, Alexandra Myasnikova, Alexander Bogdanov, Viktorija Pankratova, Vladimir Pankratov, Ekaterina Kaneva, Roman Shendrik
Publikováno v:
Crystals, Vol 14, Iss 6, p 500 (2024)
The single crystals of CsI-Yb2+ were grown, and their spectroscopic studies were conducted. The observed luminescence in CsI-Yb2+ is due to 5d–4f transitions in Yb2+ ions. Using time-resolved spectroscopy, spin-allowed and spin-forbidden radiative
Externí odkaz:
https://doaj.org/article/113c3069f0ac46fab647e73cfd52a09c
Autor:
Yana Suchikova, Sergii Kovachov, Ihor Bohdanov, Zhakyp T. Karipbayev, Yaroslav Zhydachevskyy, Anastasiia Lysak, Vladimir Pankratov, Anatoli I. Popov
Publikováno v:
Materials, Vol 17, Iss 7, p 1566 (2024)
This study introduces an innovative method for synthesizing Cadmium Oxide /Cadmium Sulfide/Zinc Oxide heterostructures (CdO/CdS/ZnO), emphasizing their potential application in solar energy. Utilizing a combination of electrochemical deposition and o
Externí odkaz:
https://doaj.org/article/ce4bc6ea7e674d4095a979945927873c
Autor:
Yin-Pai Lin, Dmitry Bocharov, Inta Isakoviča, Vladimir Pankratov, Aleksandr A. Popov, Anatoli I. Popov, Sergei Piskunov
Publikováno v:
Electronic Materials, Vol 4, Iss 1, Pp 33-48 (2023)
Chloride is one of the most abundant ions in sea water, which is more available than fresh water. Due to lack of H2O adsorbate states near the valence band maximum (VBM) edge, the difficulty of water dissociation incidents has been reported on the ru
Externí odkaz:
https://doaj.org/article/b41f7698222a41be803ec67b7f076ec8
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
Publikováno v:
Metals, Vol 14, Iss 1, p 65 (2024)
The development of environmentally friendly and energy-saving processes for recycling electronic waste (e-waste) is still relevant today. The research presented in this work relates to hydrometallurgy, namely, the electrochemical leaching of metals f
Externí odkaz:
https://doaj.org/article/a8e84a7a96464fc887893c02f9c941a9
Autor:
Ervins Blumbergs, Andrei Shishkin, Karlis Markus, Vera Serga, Dmitri Goljandin, Artur Klauson, Vitalijs Abramovskis, Janis Baronins, Aleksej Zarkov, Vladimir Pankratov
Publikováno v:
Metals, Vol 14, Iss 1, p 95 (2024)
Printed circuit boards (PCBs) make up 3 to 5% of all electronic waste. The metal content of spent PCBs can reach 40%. They usually contain valuable metals, such as Ag, Au, and Pd, as well as other metals such as Cu, Sn, Pb, Cd, Cr, Zn, Ni, and Mn. Ho
Externí odkaz:
https://doaj.org/article/8e20a363b74b400ba44780def950019d
Autor:
Vera Serga, Regina Burve, Aija Krumina, Viktorija Pankratova, Anatoli I. Popov, Vladimir Pankratov
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 2350-2360 (2021)
Due to the unique properties and wide array of applications of nanocrystalline materials based on titanium dioxide, the study of new synthesis approaches remains relevant. In this study, within the framework of the extraction-pyrolytic method (EPM),
Externí odkaz:
https://doaj.org/article/68ff8e5ec55147068e35b6ec9d5a2e19
Autor:
Viktorija Pankratova, Elizaveta E. Dunaeva, Irina S. Voronina, Anna P. Kozlova, Roman Shendrik, Vladimir Pankratov
Publikováno v:
Optical Materials: X, Vol 15, Iss , Pp 100169- (2022)
Luminescence properties of nominally pure and doped with Eu3+ and Pr3+ ions SrMoO4 single crystals grown by the Czochralski method have been studied. Thermal quenching of intrinsic emission of pure and doped SrMoO4 single crystals has been observed,
Externí odkaz:
https://doaj.org/article/c998a484e77a4bf0926617a75eb3f69b
Autor:
Hanna Bandarenka, Aliaksandr Burko, Kseniya Girel, Diana Laputsko, Elizaveta Orel, Anna Mizgailo, Utkirjon Sharopov, Alise Podelinska, Uladzislau Shapel, Vladimir Pankratov, Sergei Piskunov, Dmitry Bocharov
Publikováno v:
Crystals, Vol 13, Iss 5, p 749 (2023)
Surface-enhanced Raman scattering (SERS) spectroscopy is used to investigate a composition of wash swabs from the Cu-TiO2/TiO2-modified filters with disinfecting ability. Macroporous Si chips coated with conformal 800 nm thick Ni layer and Ag particl
Externí odkaz:
https://doaj.org/article/eac91f6c51a848e1a93cfd1a20e56f23