Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Sergii Mamykin"'
Autor:
Oksana Yastrubchak, Nataliia Tataryn, Lukasz Gluba, Sergii Mamykin, Janusz Sadowski, Tomasz Andrearczyk, Jaroslaw Z. Domagala, Olga Kondratenko, Volodymyr Romanyuk, Olena Fedchenko, Yaryna Lytvynenko, Olena Tkach, Dmitry Vasilyev, Sergey Babenkov, Katerina Medjanik, Katarzyna Gas, Maciej Sawicki, Tadeusz Wosinski, Gerd Schönhense, Hans-Joachim Elmers
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract The influence of the addition of Bi to the dilute ferromagnetic semiconductor (Ga,Mn)As on its electronic structure as well as on its magnetic and structural properties has been studied. Epitaxial (Ga,Mn)(Bi,As) layers of high structural per
Externí odkaz:
https://doaj.org/article/4e457f981bd0410e941bf5fab96403d5
Autor:
Yurii Lyaschuk, Ivan Indutnyi, Viktor Myn’ko, Volodymyr Romanyuk, Iryna Mamontova, Roman Redko, Mykhailo Dusheyko, Yelizaveta Savchuk, Vasyl Tochkovyi, Oleksandr Shtykalo, Daria Kuznetsova, Sergii Mamykin
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4546 (2024)
Plasmonic sensors have great potential for widespread usage. However, the prohibitive cost of noble metals restrains the wider adoption of these devices. The aim of our study is to develop a cost-effective Al-based alternative to common noble metal-b
Externí odkaz:
https://doaj.org/article/2ada340dfc2f44ec9ed9bb8232707a4e
Publikováno v:
Energies, Vol 16, Iss 9, p 3774 (2023)
Submicron-structured films of thermoelectric materials, exhibiting an improved thermoelectric figure of merit, are reviewed, including methods of fabrication and characterization. The review emphasizes the beneficial role of the grain boundaries in p
Externí odkaz:
https://doaj.org/article/d38a7d3a519a486ca43246a86221790f
Publikováno v:
Energies, Vol 16, Iss 7, p 3036 (2023)
Thermoelectric devices may have an essential role in the development of fuel-saving, environmentallyfriendly, and cost-effective energy sources for power generation based on the direct conversion of heat into electrical energy. A wide usage of thermo
Externí odkaz:
https://doaj.org/article/9cb2a69a0a3242bcb5ff33df89a7e4e3
Publikováno v:
Semiconductor Physics, Quantum Electronics and Optoelectronics. 24:148-153
In this work, two methods for fabrication of composite conductive films, consisting of single walled carbon nanotubes (SWCNTs) and PEDOT:PSS, in order to obtain films with high conductivity and transparency for their use in solar cell structures base
Publikováno v:
Molecular Crystals and Liquid Crystals. 717:92-97
Multiple repeated procedure of spin-coating, thermal annealing and midcycle washing of the non-conductive PSS component was developed to fabricate the multilayer PEDOT:PSS films. A 4–5 times enhanc...
Publikováno v:
Bulletin of Taras Shevchenko National University of Kyiv. Series: Physics and Mathematics. :139-142
Au-GaAs metal-semiconductor composite microstructures have been prepared by an anisotropic etching of n-GaAs (100) wafers doped with Te (1016 to 1017 cm-3) with subsequent photostimulated chemical deposition of noble metal (Au) on formed semiconducto
Publikováno v:
Applied Surface Science. 576:151831
Surface plasmon resonance (SPR) is a proven technique in sensorics. Wide application of the method is still limited by a necessity of a complex optical equipment using special dispersion elements like a prism or diffraction grating (DG). We have impl
Autor:
Mykhailo Dusheyko, Mykola Koliada, A. I. Ievtushenko, Vladyslav Lapshuda, Viktoriia Koval, V. A. Barbash, A. Ivashchuk, Sergii Mamykin, Roman Filov
Publikováno v:
2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO).
Molybdenum oxide thin films were synthesized by reactive ion beam sputtering technique. The effect of deposition temperature and annealing on surface morphology, electrical and optical parameters of molybdenum oxide thin films and heterojunctions bas
Autor:
Iuliia Golovynska, Sergii Tkach, D. V. Myroniuk, Junle Qu, Mykhailo Dusheiko, Sergii Mamykin, Olena Olifan, A. I. Ievtushenko, Sergii Golovynskyi, Oleksandr Bykov
Publikováno v:
Vacuum. 153:204-210
High transparent and conductive undoped ZnO thin films deposited by reactive ion-beam sputtering on Si and glass substrates were studied. Our films were found to be polycrystalline ones having a hexagonal wurtzite structure with c-axis preferred orie