IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii naţionale by Author "URSAKI, Veacheslav"

Browsing Articole din publicaţii naţionale by Author "URSAKI, Veacheslav"

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  • URSAKI, Veacheslav (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2013)
    We study the differences in electrochemical nanostructuring of CuInSe2 and CuGaSe2 crystals. To make the crystals suitable for electrochemical nanostructuring, they are subjected to thermal treatment either in vacuum or ...
  • URSAKI, Veacheslav (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2014)
    We investigate the differences in electrochemical nanostructuring of CuInS2 and CuGaS2 crystals. It is shown that thermal treatment of CuInS2 crystals either in vacuum or in Zn vapors is a procedure providing necessary ...
  • POPA, Mihail; TIGINYANU, Ion; URSAKI, Veacheslav (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2017)
    We report the results of calculations of some optical parameters of ZnSxSe1–x thin films based on measured transmission spectra by using the Swanepoel’s method, the Wemple– DiDomenico single-oscillator model, and the ...
  • ENACHI, Mihail; GUIX, Maria; BRANIŞTE, Fiodor; POSTOLACHE, Vitalie; CIOBANU, Vladimir; URSAKI, Veacheslav; SCHMIDT, Oliver; TIGINYANU, Ion (Academia de Ştiinţe a Moldovei, 2015)
    Titania nanotube arrays have been prepared by anodic oxidation of titanium foils in an electrolyte solution containing a mixture of hydrofluoric acid, ethylene glycol, and phosphoric acid. The initially amorphous nanotubes ...
  • ZHITAR, V.; URSAKI, Veacheslav; ARAMĂ, Efim; SHEMYAKOVA, Tatiana; MUNTEAN, Ştefan (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2005)
    ZnGa2O4 compound has been prepared by a simple method of ceramic sintering. Its photoluminescence (PL) spectra have been studied using laser beam excitation (l = 334 nm) at 295 and 10 K. A blue-green long wavelength radiation ...
  • ZHITAR, V.; URSAKI, Veacheslav; VOLODINA, Galina; MUNTEAN, Ştefan; SHEMYAKOVA, Tatiana (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2007)
    Ceramic samples of ZnGa2O4 doped with Co have been prepared. Their photoluminescence = 351 nm) and various temperatures (10 – 300 K)spectra measured at laser excitation (λ contain a wide band, centered at 2.8 eV (10 K) ...

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