Zobrazeno 1 - 10
of 17
pro vyhledávání: '"O. I. Girka"'
Autor:
S.S. Herashchenko, Igor E. Garkusha, O. I. Girka, S.V. Malykhin, S.V. Surovitskiy, V.A. Makhlai
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 481:6-11
The mechanisms of crack formation in the tungsten divertor plates irradiated by hydrogen plasma under ITER-type steady-state and transient events are investigated. The stresses and defects of samples‘ initial structure are annealed as a result of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::333c3f2b7f0996fa67ed6a27699480d3
https://doi.org/10.1016/j.nimb.2020.08.013
https://doi.org/10.1016/j.nimb.2020.08.013
Publikováno v:
Review of Scientific Instruments
This work presents the peculiarities of cone ion beam formation with a focused thruster with anode layer (TAL) and its application to silicon carbide (SiC) ion beam figuring. Modeling results of Lorentz E × B force distribution in the discharge gap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75df8098fb939a13aff2dbad846285c4
https://hdl.handle.net/21.11116/0000-000B-3572-921.11116/0000-000B-196A-321.11116/0000-000B-196C-1
https://hdl.handle.net/21.11116/0000-000B-3572-921.11116/0000-000B-196A-321.11116/0000-000B-196C-1
Autor:
S.S. Herashchenko, S.V. Malykhin, Igor E. Garkusha, S.V. Surovitskiy, M. Myroshnyk, V.A. Makhlai, I.O. Bizyukov, O. I. Girka, O. Bizyukov, S.S. Borisova, N.N. Aksenov
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Tungsten samples were exposed to sequential steady-state (particle flux of 1022 m-2 s−1, heat flux of 1.7 MW/m2) and pulsed (surface heat load of 0.45 MJ/m2, pulse duration of 0.25 ms) hydrogen plasmas. Several steps of the steady-state irradiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84bef2f383589bcb063a650c1b5348c3
https://doi.org/10.1016/j.nimb.2018.12.010
https://doi.org/10.1016/j.nimb.2018.12.010
Autor:
Bartłomiej Januszewicz, Ivan Bizyukov, M. Myroshnyk, S. Owczarek, M. Klich, O. I. Girka, Łukasz Kaczmarek
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 436:272-277
Samples of aluminium alloy 2024 and titanium alloy Ti-6Al-4V are irradiated with 2 keV helium (He) and argon (Ar) ion fluxes using FALCON ion source. Cone-like structures are found to be formed on the surface of two Al(2024) samples due to both irrad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11f67b47036b9dad9b625c01f63b71af
https://doi.org/10.1016/j.nimb.2018.10.011
https://doi.org/10.1016/j.nimb.2018.10.011
Autor:
Hyun Jong You, O. I. Girka
Publikováno v:
The Review of scientific instruments. 90(12)
This paper describes the design and operation of a compact surface wave plasma source for remote plasma processing [i.e., plasma enhanced chemical vapor deposition chamber cleaning, dry etching (SiO2, Si3N4, and silicon), photoresist stripping (SU-8)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a1aaa2c5aadb22a766a6c365ca23213
https://pubmed.ncbi.nlm.nih.gov/31893783
https://pubmed.ncbi.nlm.nih.gov/31893783
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 420:46-49
Polished polycrystalline Plansee tungsten (W) sample with purity 99.99 wt% and 0.75 mm thickness has been exposed to intense argon (Ar) ion beam with average energy of 2 keV and etched through in the centre. As a result, castle-like structures with s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20952dcd3d1e580910c3108078028d51
https://doi.org/10.1016/j.nimb.2018.02.002
https://doi.org/10.1016/j.nimb.2018.02.002
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 405:31-35
Samples of aluminium with purity 99.99% wt are irradiated with helium ion beam under ITER-like conditions using FALCON ion source. Aluminium is used as the surrogate material for plasma-material interaction studies. Typical parameters during steady-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6848a20168d4b26371ff322644ba0835
https://doi.org/10.1016/j.nimb.2017.05.019
https://doi.org/10.1016/j.nimb.2017.05.019
Publikováno v:
Physics of Plasmas. 27:062108
Azimuthal surface waves are well known to be eigenwaves of cylindrical waveguide structures—plasma–dielectric–metal—placed into an external axial static magnetic field. The angular velocity of energy transfer along with the angular group velo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::447da9ed6e567ec7d5b46d4f88b48c64
https://doi.org/10.1063/5.0009220
https://doi.org/10.1063/5.0009220
Publikováno v:
Physics of Plasmas. 26:122104
Electromagnetic energy rotation around the axis of cylindrical metallic waveguides partially filled by isotropic plasma is studied. Angular phase velocity and angular velocity of energy transfer are analyzed as functions of the plasma waveguide param
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8a4b6900a50eb67bd9c132f3f0639d7
https://doi.org/10.1063/1.5123378
https://doi.org/10.1063/1.5123378
Publikováno v:
Nukleonika, Vol 60, Iss 2, Pp 327-330 (2015)
The paper investigates the options to increase the production yield of temperature compensated surface acoustic wave (SAW) devices with a defined range of operational frequencies. The paper focuses on the preparation of large wafers with SiO2 and AlN
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dab96cf20b5ab4f8ff5b446f0c59931e
https://doaj.org/article/08bab5e753984141b3338e8cbefca806
https://doaj.org/article/08bab5e753984141b3338e8cbefca806